Mark obsolete entire class instead of members

Author: alex-kulakov

Extensions/Xtensive.Orm.Web/ApplicationBuilderExtensions.cs

@@ -1,4 +1,4 @@
-// Copyright (C) 2019-2020 Xtensive LLC.
+// Copyright (C) 2019-2021 Xtensive LLC.
 // This code is distributed under MIT license terms.
 // See the License.txt file in the project root for more information.
 
@@ -11,14 +11,14 @@ namespace Xtensive.Orm.Web
   /// <summary>
   /// Contains helper methods to apply <see cref="SessionManager"/> middleware to ASP.NET Core pipeline.
   /// </summary>
+  [Obsolete]
   public static class ApplicationBuilderExtensions
   {
     /// <summary>
     /// Adds <see cref="SessionManager"/> to ASP.NET Core middleware pipeline.
     /// </summary>
     /// <param name="builder"><see cref="IApplicationBuilder"/> instance.</param>
     /// <returns><paramref name="builder"/> with <see cref="SessionManager"/>.</returns>
-    [Obsolete]
     public static IApplicationBuilder UseSessionManager(this IApplicationBuilder builder)
     {
       return builder.UseMiddleware<SessionManager>();
@@ -30,7 +30,6 @@ public static IApplicationBuilder UseSessionManager(this IApplicationBuilder bui
     /// <param name="builder"><see cref="IApplicationBuilder"/> instance.</param>
     /// <param name="sessionProvider">User-defined session provider which will be used instead of built-in provider.</param>
     /// <returns><paramref name="builder"/> with <see cref="SessionManager"/>.</returns>
-    [Obsolete]
     public static IApplicationBuilder UseSessionManager(this IApplicationBuilder builder, Func<Pair<Session, System.IDisposable>> sessionProvider)
     {
       SessionManager.SessionProvider = sessionProvider;