version 2.4.1.473
diff --git a/src/ProtocolBuffers.Test/TestProtos/UnitTestRpcInterop.cs b/src/ProtocolBuffers.Test/TestProtos/UnitTestRpcInterop.cs
index b9d9b0b..a7a3cc1 100644
--- a/src/ProtocolBuffers.Test/TestProtos/UnitTestRpcInterop.cs
+++ b/src/ProtocolBuffers.Test/TestProtos/UnitTestRpcInterop.cs
@@ -1,4 +1,4 @@
-// Generated by ProtoGen, Version=2.3.0.277, Culture=neutral, PublicKeyToken=17b3b1f090c3ea48.  DO NOT EDIT!

+// Generated by ProtoGen, Version=2.4.1.473, Culture=neutral, PublicKeyToken=55f7125234beb589.  DO NOT EDIT!

 #pragma warning disable 1591, 0612

 #region Designer generated code

 

@@ -10,7 +10,7 @@
   

   [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]

   [global::System.Runtime.CompilerServices.CompilerGeneratedAttribute()]

-  [global::System.CodeDom.Compiler.GeneratedCodeAttribute("ProtoGen", "2.3.0.277")]

+  [global::System.CodeDom.Compiler.GeneratedCodeAttribute("ProtoGen", "2.4.1.473")]

   public static partial class UnitTestRpcInterop {

   

     #region Extension registration

@@ -81,7 +81,7 @@
   #region Messages

   [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]

   [global::System.Runtime.CompilerServices.CompilerGeneratedAttribute()]

-  [global::System.CodeDom.Compiler.GeneratedCodeAttribute("ProtoGen", "2.3.0.277")]

+  [global::System.CodeDom.Compiler.GeneratedCodeAttribute("ProtoGen", "2.4.1.473")]

   public sealed partial class SearchRequest : pb::GeneratedMessage<SearchRequest, SearchRequest.Builder> {

     private SearchRequest() { }

     private static readonly SearchRequest defaultInstance = new SearchRequest().MakeReadOnly();

@@ -199,7 +199,7 @@
     

     [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]

     [global::System.Runtime.CompilerServices.CompilerGeneratedAttribute()]

-    [global::System.CodeDom.Compiler.GeneratedCodeAttribute("ProtoGen", "2.3.0.277")]

+    [global::System.CodeDom.Compiler.GeneratedCodeAttribute("ProtoGen", "2.4.1.473")]

     public sealed partial class Builder : pb::GeneratedBuilder<SearchRequest, Builder> {

       protected override Builder ThisBuilder {

         get { return this; }

@@ -375,7 +375,7 @@
   

   [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]

   [global::System.Runtime.CompilerServices.CompilerGeneratedAttribute()]

-  [global::System.CodeDom.Compiler.GeneratedCodeAttribute("ProtoGen", "2.3.0.277")]

+  [global::System.CodeDom.Compiler.GeneratedCodeAttribute("ProtoGen", "2.4.1.473")]

   public sealed partial class SearchResponse : pb::GeneratedMessage<SearchResponse, SearchResponse.Builder> {

     private SearchResponse() { }

     private static readonly SearchResponse defaultInstance = new SearchResponse().MakeReadOnly();

@@ -404,11 +404,11 @@
     #region Nested types

     [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]

     [global::System.Runtime.CompilerServices.CompilerGeneratedAttribute()]

-    [global::System.CodeDom.Compiler.GeneratedCodeAttribute("ProtoGen", "2.3.0.277")]

+    [global::System.CodeDom.Compiler.GeneratedCodeAttribute("ProtoGen", "2.4.1.473")]

     public static class Types {

       [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]

       [global::System.Runtime.CompilerServices.CompilerGeneratedAttribute()]

-      [global::System.CodeDom.Compiler.GeneratedCodeAttribute("ProtoGen", "2.3.0.277")]

+      [global::System.CodeDom.Compiler.GeneratedCodeAttribute("ProtoGen", "2.4.1.473")]

       public sealed partial class ResultItem : pb::GeneratedMessage<ResultItem, ResultItem.Builder> {

         private ResultItem() { }

         private static readonly ResultItem defaultInstance = new ResultItem().MakeReadOnly();

@@ -535,7 +535,7 @@
         

         [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]

         [global::System.Runtime.CompilerServices.CompilerGeneratedAttribute()]

-        [global::System.CodeDom.Compiler.GeneratedCodeAttribute("ProtoGen", "2.3.0.277")]

+        [global::System.CodeDom.Compiler.GeneratedCodeAttribute("ProtoGen", "2.4.1.473")]

         public sealed partial class Builder : pb::GeneratedBuilder<ResultItem, Builder> {

           protected override Builder ThisBuilder {

             get { return this; }

@@ -819,7 +819,7 @@
     

     [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]

     [global::System.Runtime.CompilerServices.CompilerGeneratedAttribute()]

-    [global::System.CodeDom.Compiler.GeneratedCodeAttribute("ProtoGen", "2.3.0.277")]

+    [global::System.CodeDom.Compiler.GeneratedCodeAttribute("ProtoGen", "2.4.1.473")]

     public sealed partial class Builder : pb::GeneratedBuilder<SearchResponse, Builder> {

       protected override Builder ThisBuilder {

         get { return this; }

@@ -1007,7 +1007,7 @@
   

   [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]

   [global::System.Runtime.CompilerServices.CompilerGeneratedAttribute()]

-  [global::System.CodeDom.Compiler.GeneratedCodeAttribute("ProtoGen", "2.3.0.277")]

+  [global::System.CodeDom.Compiler.GeneratedCodeAttribute("ProtoGen", "2.4.1.473")]

   public sealed partial class RefineSearchRequest : pb::GeneratedMessage<RefineSearchRequest, RefineSearchRequest.Builder> {

     private RefineSearchRequest() { }

     private static readonly RefineSearchRequest defaultInstance = new RefineSearchRequest().MakeReadOnly();

@@ -1143,7 +1143,7 @@
     

     [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]

     [global::System.Runtime.CompilerServices.CompilerGeneratedAttribute()]

-    [global::System.CodeDom.Compiler.GeneratedCodeAttribute("ProtoGen", "2.3.0.277")]

+    [global::System.CodeDom.Compiler.GeneratedCodeAttribute("ProtoGen", "2.4.1.473")]

     public sealed partial class Builder : pb::GeneratedBuilder<RefineSearchRequest, Builder> {

       protected override Builder ThisBuilder {

         get { return this; }

@@ -1374,7 +1374,7 @@
   #region Services

   [global::System.Runtime.InteropServices.GuidAttribute("a65f0925-fd11-4f94-b166-89ac4f027205")]

   [global::System.Runtime.CompilerServices.CompilerGeneratedAttribute()]

-  [global::System.CodeDom.Compiler.GeneratedCodeAttribute("ProtoGen", "2.3.0.277")]

+  [global::System.CodeDom.Compiler.GeneratedCodeAttribute("ProtoGen", "2.4.1.473")]

   public partial interface ISearchService {

     [global::System.Runtime.InteropServices.DispId(5)]

     global::Google.ProtocolBuffers.TestProtos.SearchResponse Search(global::Google.ProtocolBuffers.TestProtos.SearchRequest searchRequest);

@@ -1384,7 +1384,7 @@
   [global::System.CLSCompliant(false)]

   [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]

   [global::System.Runtime.CompilerServices.CompilerGeneratedAttribute()]

-  [global::System.CodeDom.Compiler.GeneratedCodeAttribute("ProtoGen", "2.3.0.277")]

+  [global::System.CodeDom.Compiler.GeneratedCodeAttribute("ProtoGen", "2.4.1.473")]

   public partial class SearchService : ISearchService, pb::IRpcDispatch, global::System.IDisposable {

     private readonly bool dispose;

     private readonly pb::IRpcDispatch dispatch;

@@ -1414,7 +1414,7 @@
     [global::System.CLSCompliant(false)]

     [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]

     [global::System.Runtime.CompilerServices.CompilerGeneratedAttribute()]

-    [global::System.CodeDom.Compiler.GeneratedCodeAttribute("ProtoGen", "2.3.0.277")]

+    [global::System.CodeDom.Compiler.GeneratedCodeAttribute("ProtoGen", "2.4.1.473")]

     public partial class Dispatch : pb::IRpcDispatch, global::System.IDisposable {

       private readonly bool dispose;

       private readonly ISearchService implementation;

@@ -1442,7 +1442,7 @@
     [global::System.CLSCompliant(false)]

     [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]

     [global::System.Runtime.CompilerServices.CompilerGeneratedAttribute()]

-    [global::System.CodeDom.Compiler.GeneratedCodeAttribute("ProtoGen", "2.3.0.277")]

+    [global::System.CodeDom.Compiler.GeneratedCodeAttribute("ProtoGen", "2.4.1.473")]

     public partial class ServerStub : pb::IRpcServerStub, global::System.IDisposable {

       private readonly bool dispose;

       private readonly pb::IRpcDispatch implementation;