First cut at new layout
diff --git a/src/ProtocolBuffers.Test/TestProtos/UnitTestProtoFile.cs b/src/ProtocolBuffers.Test/TestProtos/UnitTestProtoFile.cs
new file mode 100644
index 0000000..9e706b0
--- /dev/null
+++ b/src/ProtocolBuffers.Test/TestProtos/UnitTestProtoFile.cs
@@ -0,0 +1,11835 @@
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+
+using pb = global::Google.ProtocolBuffers;
+using pbc = global::Google.ProtocolBuffers.Collections;
+using pbd = global::Google.ProtocolBuffers.Descriptors;
+using scg = global::System.Collections.Generic;
+namespace Google.ProtocolBuffers.TestProtos {
+  
+  public static partial class UnitTestProtoFile {
+  
+    #region Descriptor
+    public static pbd::FileDescriptor Descriptor {
+      get { return descriptor; }
+    }
+    private static readonly pbd::FileDescriptor descriptor = pbd::FileDescriptor.InternalBuildGeneratedFileFrom(
+        global::System.Convert.FromBase64String(
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+        "cm90b3OK4gkRVW5pdFRlc3RQcm90b0ZpbGU="),
+        new pbd::FileDescriptor[] {
+          global::Google.ProtocolBuffers.DescriptorProtos.CSharpOptions.Descriptor, 
+          global::Google.ProtocolBuffers.DescriptorProtos.DescriptorProtoFile.Descriptor, 
+          global::Google.ProtocolBuffers.TestProtos.UnitTestImportProtoFile.Descriptor, 
+        });
+    #endregion
+    
+    #region Extensions
+    public static readonly pb::GeneratedExtensionBase<int> OptionalInt32Extension =
+        pb::GeneratedSingleExtension<int>.CreateInstance(Descriptor.Extensions[0]);
+    public static readonly pb::GeneratedExtensionBase<long> OptionalInt64Extension =
+        pb::GeneratedSingleExtension<long>.CreateInstance(Descriptor.Extensions[1]);
+    public static readonly pb::GeneratedExtensionBase<uint> OptionalUint32Extension =
+        pb::GeneratedSingleExtension<uint>.CreateInstance(Descriptor.Extensions[2]);
+    public static readonly pb::GeneratedExtensionBase<ulong> OptionalUint64Extension =
+        pb::GeneratedSingleExtension<ulong>.CreateInstance(Descriptor.Extensions[3]);
+    public static readonly pb::GeneratedExtensionBase<int> OptionalSint32Extension =
+        pb::GeneratedSingleExtension<int>.CreateInstance(Descriptor.Extensions[4]);
+    public static readonly pb::GeneratedExtensionBase<long> OptionalSint64Extension =
+        pb::GeneratedSingleExtension<long>.CreateInstance(Descriptor.Extensions[5]);
+    public static readonly pb::GeneratedExtensionBase<uint> OptionalFixed32Extension =
+        pb::GeneratedSingleExtension<uint>.CreateInstance(Descriptor.Extensions[6]);
+    public static readonly pb::GeneratedExtensionBase<ulong> OptionalFixed64Extension =
+        pb::GeneratedSingleExtension<ulong>.CreateInstance(Descriptor.Extensions[7]);
+    public static readonly pb::GeneratedExtensionBase<int> OptionalSfixed32Extension =
+        pb::GeneratedSingleExtension<int>.CreateInstance(Descriptor.Extensions[8]);
+    public static readonly pb::GeneratedExtensionBase<long> OptionalSfixed64Extension =
+        pb::GeneratedSingleExtension<long>.CreateInstance(Descriptor.Extensions[9]);
+    public static readonly pb::GeneratedExtensionBase<float> OptionalFloatExtension =
+        pb::GeneratedSingleExtension<float>.CreateInstance(Descriptor.Extensions[10]);
+    public static readonly pb::GeneratedExtensionBase<double> OptionalDoubleExtension =
+        pb::GeneratedSingleExtension<double>.CreateInstance(Descriptor.Extensions[11]);
+    public static readonly pb::GeneratedExtensionBase<bool> OptionalBoolExtension =
+        pb::GeneratedSingleExtension<bool>.CreateInstance(Descriptor.Extensions[12]);
+    public static readonly pb::GeneratedExtensionBase<string> OptionalStringExtension =
+        pb::GeneratedSingleExtension<string>.CreateInstance(Descriptor.Extensions[13]);
+    public static readonly pb::GeneratedExtensionBase<pb::ByteString> OptionalBytesExtension =
+        pb::GeneratedSingleExtension<pb::ByteString>.CreateInstance(Descriptor.Extensions[14]);
+    public static readonly pb::GeneratedExtensionBase<global::Google.ProtocolBuffers.TestProtos.OptionalGroup_extension> OptionalGroupExtension =
+        pb::GeneratedSingleExtension<global::Google.ProtocolBuffers.TestProtos.OptionalGroup_extension>.CreateInstance(Descriptor.Extensions[15]);
+    public static readonly pb::GeneratedExtensionBase<global::Google.ProtocolBuffers.TestProtos.TestAllTypes.Types.NestedMessage> OptionalNestedMessageExtension =
+        pb::GeneratedSingleExtension<global::Google.ProtocolBuffers.TestProtos.TestAllTypes.Types.NestedMessage>.CreateInstance(Descriptor.Extensions[16]);
+    public static readonly pb::GeneratedExtensionBase<global::Google.ProtocolBuffers.TestProtos.ForeignMessage> OptionalForeignMessageExtension =
+        pb::GeneratedSingleExtension<global::Google.ProtocolBuffers.TestProtos.ForeignMessage>.CreateInstance(Descriptor.Extensions[17]);
+    public static readonly pb::GeneratedExtensionBase<global::Google.ProtocolBuffers.TestProtos.ImportMessage> OptionalImportMessageExtension =
+        pb::GeneratedSingleExtension<global::Google.ProtocolBuffers.TestProtos.ImportMessage>.CreateInstance(Descriptor.Extensions[18]);
+    public static readonly pb::GeneratedExtensionBase<global::Google.ProtocolBuffers.TestProtos.TestAllTypes.Types.NestedEnum> OptionalNestedEnumExtension =
+        pb::GeneratedSingleExtension<global::Google.ProtocolBuffers.TestProtos.TestAllTypes.Types.NestedEnum>.CreateInstance(Descriptor.Extensions[19]);
+    public static readonly pb::GeneratedExtensionBase<global::Google.ProtocolBuffers.TestProtos.ForeignEnum> OptionalForeignEnumExtension =
+        pb::GeneratedSingleExtension<global::Google.ProtocolBuffers.TestProtos.ForeignEnum>.CreateInstance(Descriptor.Extensions[20]);
+    public static readonly pb::GeneratedExtensionBase<global::Google.ProtocolBuffers.TestProtos.ImportEnum> OptionalImportEnumExtension =
+        pb::GeneratedSingleExtension<global::Google.ProtocolBuffers.TestProtos.ImportEnum>.CreateInstance(Descriptor.Extensions[21]);
+    public static readonly pb::GeneratedExtensionBase<string> OptionalStringPieceExtension =
+        pb::GeneratedSingleExtension<string>.CreateInstance(Descriptor.Extensions[22]);
+    public static readonly pb::GeneratedExtensionBase<string> OptionalCordExtension =
+        pb::GeneratedSingleExtension<string>.CreateInstance(Descriptor.Extensions[23]);
+    public static readonly
+        pb::GeneratedExtensionBase<scg::IList<int>> RepeatedInt32Extension =
+        pb::GeneratedRepeatExtension<int>.CreateInstance(Descriptor.Extensions[24]);
+    public static readonly
+        pb::GeneratedExtensionBase<scg::IList<long>> RepeatedInt64Extension =
+        pb::GeneratedRepeatExtension<long>.CreateInstance(Descriptor.Extensions[25]);
+    public static readonly
+        pb::GeneratedExtensionBase<scg::IList<uint>> RepeatedUint32Extension =
+        pb::GeneratedRepeatExtension<uint>.CreateInstance(Descriptor.Extensions[26]);
+    public static readonly
+        pb::GeneratedExtensionBase<scg::IList<ulong>> RepeatedUint64Extension =
+        pb::GeneratedRepeatExtension<ulong>.CreateInstance(Descriptor.Extensions[27]);
+    public static readonly
+        pb::GeneratedExtensionBase<scg::IList<int>> RepeatedSint32Extension =
+        pb::GeneratedRepeatExtension<int>.CreateInstance(Descriptor.Extensions[28]);
+    public static readonly
+        pb::GeneratedExtensionBase<scg::IList<long>> RepeatedSint64Extension =
+        pb::GeneratedRepeatExtension<long>.CreateInstance(Descriptor.Extensions[29]);
+    public static readonly
+        pb::GeneratedExtensionBase<scg::IList<uint>> RepeatedFixed32Extension =
+        pb::GeneratedRepeatExtension<uint>.CreateInstance(Descriptor.Extensions[30]);
+    public static readonly
+        pb::GeneratedExtensionBase<scg::IList<ulong>> RepeatedFixed64Extension =
+        pb::GeneratedRepeatExtension<ulong>.CreateInstance(Descriptor.Extensions[31]);
+    public static readonly
+        pb::GeneratedExtensionBase<scg::IList<int>> RepeatedSfixed32Extension =
+        pb::GeneratedRepeatExtension<int>.CreateInstance(Descriptor.Extensions[32]);
+    public static readonly
+        pb::GeneratedExtensionBase<scg::IList<long>> RepeatedSfixed64Extension =
+        pb::GeneratedRepeatExtension<long>.CreateInstance(Descriptor.Extensions[33]);
+    public static readonly
+        pb::GeneratedExtensionBase<scg::IList<float>> RepeatedFloatExtension =
+        pb::GeneratedRepeatExtension<float>.CreateInstance(Descriptor.Extensions[34]);
+    public static readonly
+        pb::GeneratedExtensionBase<scg::IList<double>> RepeatedDoubleExtension =
+        pb::GeneratedRepeatExtension<double>.CreateInstance(Descriptor.Extensions[35]);
+    public static readonly
+        pb::GeneratedExtensionBase<scg::IList<bool>> RepeatedBoolExtension =
+        pb::GeneratedRepeatExtension<bool>.CreateInstance(Descriptor.Extensions[36]);
+    public static readonly
+        pb::GeneratedExtensionBase<scg::IList<string>> RepeatedStringExtension =
+        pb::GeneratedRepeatExtension<string>.CreateInstance(Descriptor.Extensions[37]);
+    public static readonly
+        pb::GeneratedExtensionBase<scg::IList<pb::ByteString>> RepeatedBytesExtension =
+        pb::GeneratedRepeatExtension<pb::ByteString>.CreateInstance(Descriptor.Extensions[38]);
+    public static readonly
+        pb::GeneratedExtensionBase<scg::IList<global::Google.ProtocolBuffers.TestProtos.RepeatedGroup_extension>> RepeatedGroupExtension =
+        pb::GeneratedRepeatExtension<global::Google.ProtocolBuffers.TestProtos.RepeatedGroup_extension>.CreateInstance(Descriptor.Extensions[39]);
+    public static readonly
+        pb::GeneratedExtensionBase<scg::IList<global::Google.ProtocolBuffers.TestProtos.TestAllTypes.Types.NestedMessage>> RepeatedNestedMessageExtension =
+        pb::GeneratedRepeatExtension<global::Google.ProtocolBuffers.TestProtos.TestAllTypes.Types.NestedMessage>.CreateInstance(Descriptor.Extensions[40]);
+    public static readonly
+        pb::GeneratedExtensionBase<scg::IList<global::Google.ProtocolBuffers.TestProtos.ForeignMessage>> RepeatedForeignMessageExtension =
+        pb::GeneratedRepeatExtension<global::Google.ProtocolBuffers.TestProtos.ForeignMessage>.CreateInstance(Descriptor.Extensions[41]);
+    public static readonly
+        pb::GeneratedExtensionBase<scg::IList<global::Google.ProtocolBuffers.TestProtos.ImportMessage>> RepeatedImportMessageExtension =
+        pb::GeneratedRepeatExtension<global::Google.ProtocolBuffers.TestProtos.ImportMessage>.CreateInstance(Descriptor.Extensions[42]);
+    public static readonly
+        pb::GeneratedExtensionBase<scg::IList<global::Google.ProtocolBuffers.TestProtos.TestAllTypes.Types.NestedEnum>> RepeatedNestedEnumExtension =
+        pb::GeneratedRepeatExtension<global::Google.ProtocolBuffers.TestProtos.TestAllTypes.Types.NestedEnum>.CreateInstance(Descriptor.Extensions[43]);
+    public static readonly
+        pb::GeneratedExtensionBase<scg::IList<global::Google.ProtocolBuffers.TestProtos.ForeignEnum>> RepeatedForeignEnumExtension =
+        pb::GeneratedRepeatExtension<global::Google.ProtocolBuffers.TestProtos.ForeignEnum>.CreateInstance(Descriptor.Extensions[44]);
+    public static readonly
+        pb::GeneratedExtensionBase<scg::IList<global::Google.ProtocolBuffers.TestProtos.ImportEnum>> RepeatedImportEnumExtension =
+        pb::GeneratedRepeatExtension<global::Google.ProtocolBuffers.TestProtos.ImportEnum>.CreateInstance(Descriptor.Extensions[45]);
+    public static readonly
+        pb::GeneratedExtensionBase<scg::IList<string>> RepeatedStringPieceExtension =
+        pb::GeneratedRepeatExtension<string>.CreateInstance(Descriptor.Extensions[46]);
+    public static readonly
+        pb::GeneratedExtensionBase<scg::IList<string>> RepeatedCordExtension =
+        pb::GeneratedRepeatExtension<string>.CreateInstance(Descriptor.Extensions[47]);
+    public static readonly pb::GeneratedExtensionBase<int> DefaultInt32Extension =
+        pb::GeneratedSingleExtension<int>.CreateInstance(Descriptor.Extensions[48]);
+    public static readonly pb::GeneratedExtensionBase<long> DefaultInt64Extension =
+        pb::GeneratedSingleExtension<long>.CreateInstance(Descriptor.Extensions[49]);
+    public static readonly pb::GeneratedExtensionBase<uint> DefaultUint32Extension =
+        pb::GeneratedSingleExtension<uint>.CreateInstance(Descriptor.Extensions[50]);
+    public static readonly pb::GeneratedExtensionBase<ulong> DefaultUint64Extension =
+        pb::GeneratedSingleExtension<ulong>.CreateInstance(Descriptor.Extensions[51]);
+    public static readonly pb::GeneratedExtensionBase<int> DefaultSint32Extension =
+        pb::GeneratedSingleExtension<int>.CreateInstance(Descriptor.Extensions[52]);
+    public static readonly pb::GeneratedExtensionBase<long> DefaultSint64Extension =
+        pb::GeneratedSingleExtension<long>.CreateInstance(Descriptor.Extensions[53]);
+    public static readonly pb::GeneratedExtensionBase<uint> DefaultFixed32Extension =
+        pb::GeneratedSingleExtension<uint>.CreateInstance(Descriptor.Extensions[54]);
+    public static readonly pb::GeneratedExtensionBase<ulong> DefaultFixed64Extension =
+        pb::GeneratedSingleExtension<ulong>.CreateInstance(Descriptor.Extensions[55]);
+    public static readonly pb::GeneratedExtensionBase<int> DefaultSfixed32Extension =
+        pb::GeneratedSingleExtension<int>.CreateInstance(Descriptor.Extensions[56]);
+    public static readonly pb::GeneratedExtensionBase<long> DefaultSfixed64Extension =
+        pb::GeneratedSingleExtension<long>.CreateInstance(Descriptor.Extensions[57]);
+    public static readonly pb::GeneratedExtensionBase<float> DefaultFloatExtension =
+        pb::GeneratedSingleExtension<float>.CreateInstance(Descriptor.Extensions[58]);
+    public static readonly pb::GeneratedExtensionBase<double> DefaultDoubleExtension =
+        pb::GeneratedSingleExtension<double>.CreateInstance(Descriptor.Extensions[59]);
+    public static readonly pb::GeneratedExtensionBase<bool> DefaultBoolExtension =
+        pb::GeneratedSingleExtension<bool>.CreateInstance(Descriptor.Extensions[60]);
+    public static readonly pb::GeneratedExtensionBase<string> DefaultStringExtension =
+        pb::GeneratedSingleExtension<string>.CreateInstance(Descriptor.Extensions[61]);
+    public static readonly pb::GeneratedExtensionBase<pb::ByteString> DefaultBytesExtension =
+        pb::GeneratedSingleExtension<pb::ByteString>.CreateInstance(Descriptor.Extensions[62]);
+    public static readonly pb::GeneratedExtensionBase<global::Google.ProtocolBuffers.TestProtos.TestAllTypes.Types.NestedEnum> DefaultNestedEnumExtension =
+        pb::GeneratedSingleExtension<global::Google.ProtocolBuffers.TestProtos.TestAllTypes.Types.NestedEnum>.CreateInstance(Descriptor.Extensions[63]);
+    public static readonly pb::GeneratedExtensionBase<global::Google.ProtocolBuffers.TestProtos.ForeignEnum> DefaultForeignEnumExtension =
+        pb::GeneratedSingleExtension<global::Google.ProtocolBuffers.TestProtos.ForeignEnum>.CreateInstance(Descriptor.Extensions[64]);
+    public static readonly pb::GeneratedExtensionBase<global::Google.ProtocolBuffers.TestProtos.ImportEnum> DefaultImportEnumExtension =
+        pb::GeneratedSingleExtension<global::Google.ProtocolBuffers.TestProtos.ImportEnum>.CreateInstance(Descriptor.Extensions[65]);
+    public static readonly pb::GeneratedExtensionBase<string> DefaultStringPieceExtension =
+        pb::GeneratedSingleExtension<string>.CreateInstance(Descriptor.Extensions[66]);
+    public static readonly pb::GeneratedExtensionBase<string> DefaultCordExtension =
+        pb::GeneratedSingleExtension<string>.CreateInstance(Descriptor.Extensions[67]);
+    public static readonly pb::GeneratedExtensionBase<string> MyExtensionString =
+        pb::GeneratedSingleExtension<string>.CreateInstance(Descriptor.Extensions[68]);
+    public static readonly pb::GeneratedExtensionBase<int> MyExtensionInt =
+        pb::GeneratedSingleExtension<int>.CreateInstance(Descriptor.Extensions[69]);
+    #endregion
+    
+    #region Static variables
+    internal static readonly pbd::MessageDescriptor internal__static_protobuf_unittest_TestAllTypes__Descriptor
+        = Descriptor.MessageTypes[0];
+    internal static pb::FieldAccess.FieldAccessorTable<global::Google.ProtocolBuffers.TestProtos.TestAllTypes, global::Google.ProtocolBuffers.TestProtos.TestAllTypes.Builder> internal__static_protobuf_unittest_TestAllTypes__FieldAccessorTable
+        = new pb::FieldAccess.FieldAccessorTable<global::Google.ProtocolBuffers.TestProtos.TestAllTypes, global::Google.ProtocolBuffers.TestProtos.TestAllTypes.Builder>(internal__static_protobuf_unittest_TestAllTypes__Descriptor,
+            new string[] { "OptionalInt32", "OptionalInt64", "OptionalUint32", "OptionalUint64", "OptionalSint32", "OptionalSint64", "OptionalFixed32", "OptionalFixed64", "OptionalSfixed32", "OptionalSfixed64", "OptionalFloat", "OptionalDouble", "OptionalBool", "OptionalString", "OptionalBytes", "OptionalGroup", "OptionalNestedMessage", "OptionalForeignMessage", "OptionalImportMessage", "OptionalNestedEnum", "OptionalForeignEnum", "OptionalImportEnum", "OptionalStringPiece", "OptionalCord", "RepeatedInt32", "RepeatedInt64", "RepeatedUint32", "RepeatedUint64", "RepeatedSint32", "RepeatedSint64", "RepeatedFixed32", "RepeatedFixed64", "RepeatedSfixed32", "RepeatedSfixed64", "RepeatedFloat", "RepeatedDouble", "RepeatedBool", "RepeatedString", "RepeatedBytes", "RepeatedGroup", "RepeatedNestedMessage", "RepeatedForeignMessage", "RepeatedImportMessage", "RepeatedNestedEnum", "RepeatedForeignEnum", "RepeatedImportEnum", "RepeatedStringPiece", "RepeatedCord", "DefaultInt32", "DefaultInt64", "DefaultUint32", "DefaultUint64", "DefaultSint32", "DefaultSint64", "DefaultFixed32", "DefaultFixed64", "DefaultSfixed32", "DefaultSfixed64", "DefaultFloat", "DefaultDouble", "DefaultBool", "DefaultString", "DefaultBytes", "DefaultNestedEnum", "DefaultForeignEnum", "DefaultImportEnum", "DefaultStringPiece", "DefaultCord", });
+    internal static readonly pbd::MessageDescriptor internal__static_protobuf_unittest_TestAllTypes_NestedMessage__Descriptor
+        = internal__static_protobuf_unittest_TestAllTypes__Descriptor.NestedTypes[0];
+    internal static pb::FieldAccess.FieldAccessorTable<global::Google.ProtocolBuffers.TestProtos.TestAllTypes.Types.NestedMessage, global::Google.ProtocolBuffers.TestProtos.TestAllTypes.Types.NestedMessage.Builder> internal__static_protobuf_unittest_TestAllTypes_NestedMessage__FieldAccessorTable
+        = new pb::FieldAccess.FieldAccessorTable<global::Google.ProtocolBuffers.TestProtos.TestAllTypes.Types.NestedMessage, global::Google.ProtocolBuffers.TestProtos.TestAllTypes.Types.NestedMessage.Builder>(internal__static_protobuf_unittest_TestAllTypes_NestedMessage__Descriptor,
+            new string[] { "Bb", });
+    internal static readonly pbd::MessageDescriptor internal__static_protobuf_unittest_TestAllTypes_OptionalGroup__Descriptor
+        = internal__static_protobuf_unittest_TestAllTypes__Descriptor.NestedTypes[1];
+    internal static pb::FieldAccess.FieldAccessorTable<global::Google.ProtocolBuffers.TestProtos.TestAllTypes.Types.OptionalGroup, global::Google.ProtocolBuffers.TestProtos.TestAllTypes.Types.OptionalGroup.Builder> internal__static_protobuf_unittest_TestAllTypes_OptionalGroup__FieldAccessorTable
+        = new pb::FieldAccess.FieldAccessorTable<global::Google.ProtocolBuffers.TestProtos.TestAllTypes.Types.OptionalGroup, global::Google.ProtocolBuffers.TestProtos.TestAllTypes.Types.OptionalGroup.Builder>(internal__static_protobuf_unittest_TestAllTypes_OptionalGroup__Descriptor,
+            new string[] { "A", });
+    internal static readonly pbd::MessageDescriptor internal__static_protobuf_unittest_TestAllTypes_RepeatedGroup__Descriptor
+        = internal__static_protobuf_unittest_TestAllTypes__Descriptor.NestedTypes[2];
+    internal static pb::FieldAccess.FieldAccessorTable<global::Google.ProtocolBuffers.TestProtos.TestAllTypes.Types.RepeatedGroup, global::Google.ProtocolBuffers.TestProtos.TestAllTypes.Types.RepeatedGroup.Builder> internal__static_protobuf_unittest_TestAllTypes_RepeatedGroup__FieldAccessorTable
+        = new pb::FieldAccess.FieldAccessorTable<global::Google.ProtocolBuffers.TestProtos.TestAllTypes.Types.RepeatedGroup, global::Google.ProtocolBuffers.TestProtos.TestAllTypes.Types.RepeatedGroup.Builder>(internal__static_protobuf_unittest_TestAllTypes_RepeatedGroup__Descriptor,
+            new string[] { "A", });
+    internal static readonly pbd::MessageDescriptor internal__static_protobuf_unittest_ForeignMessage__Descriptor
+        = Descriptor.MessageTypes[1];
+    internal static pb::FieldAccess.FieldAccessorTable<global::Google.ProtocolBuffers.TestProtos.ForeignMessage, global::Google.ProtocolBuffers.TestProtos.ForeignMessage.Builder> internal__static_protobuf_unittest_ForeignMessage__FieldAccessorTable
+        = new pb::FieldAccess.FieldAccessorTable<global::Google.ProtocolBuffers.TestProtos.ForeignMessage, global::Google.ProtocolBuffers.TestProtos.ForeignMessage.Builder>(internal__static_protobuf_unittest_ForeignMessage__Descriptor,
+            new string[] { "C", });
+    internal static readonly pbd::MessageDescriptor internal__static_protobuf_unittest_TestAllExtensions__Descriptor
+        = Descriptor.MessageTypes[2];
+    internal static pb::FieldAccess.FieldAccessorTable<global::Google.ProtocolBuffers.TestProtos.TestAllExtensions, global::Google.ProtocolBuffers.TestProtos.TestAllExtensions.Builder> internal__static_protobuf_unittest_TestAllExtensions__FieldAccessorTable
+        = new pb::FieldAccess.FieldAccessorTable<global::Google.ProtocolBuffers.TestProtos.TestAllExtensions, global::Google.ProtocolBuffers.TestProtos.TestAllExtensions.Builder>(internal__static_protobuf_unittest_TestAllExtensions__Descriptor,
+            new string[] { });
+    internal static readonly pbd::MessageDescriptor internal__static_protobuf_unittest_OptionalGroup_extension__Descriptor
+        = Descriptor.MessageTypes[3];
+    internal static pb::FieldAccess.FieldAccessorTable<global::Google.ProtocolBuffers.TestProtos.OptionalGroup_extension, global::Google.ProtocolBuffers.TestProtos.OptionalGroup_extension.Builder> internal__static_protobuf_unittest_OptionalGroup_extension__FieldAccessorTable
+        = new pb::FieldAccess.FieldAccessorTable<global::Google.ProtocolBuffers.TestProtos.OptionalGroup_extension, global::Google.ProtocolBuffers.TestProtos.OptionalGroup_extension.Builder>(internal__static_protobuf_unittest_OptionalGroup_extension__Descriptor,
+            new string[] { "A", });
+    internal static readonly pbd::MessageDescriptor internal__static_protobuf_unittest_RepeatedGroup_extension__Descriptor
+        = Descriptor.MessageTypes[4];
+    internal static pb::FieldAccess.FieldAccessorTable<global::Google.ProtocolBuffers.TestProtos.RepeatedGroup_extension, global::Google.ProtocolBuffers.TestProtos.RepeatedGroup_extension.Builder> internal__static_protobuf_unittest_RepeatedGroup_extension__FieldAccessorTable
+        = new pb::FieldAccess.FieldAccessorTable<global::Google.ProtocolBuffers.TestProtos.RepeatedGroup_extension, global::Google.ProtocolBuffers.TestProtos.RepeatedGroup_extension.Builder>(internal__static_protobuf_unittest_RepeatedGroup_extension__Descriptor,
+            new string[] { "A", });
+    internal static readonly pbd::MessageDescriptor internal__static_protobuf_unittest_TestRequired__Descriptor
+        = Descriptor.MessageTypes[5];
+    internal static pb::FieldAccess.FieldAccessorTable<global::Google.ProtocolBuffers.TestProtos.TestRequired, global::Google.ProtocolBuffers.TestProtos.TestRequired.Builder> internal__static_protobuf_unittest_TestRequired__FieldAccessorTable
+        = new pb::FieldAccess.FieldAccessorTable<global::Google.ProtocolBuffers.TestProtos.TestRequired, global::Google.ProtocolBuffers.TestProtos.TestRequired.Builder>(internal__static_protobuf_unittest_TestRequired__Descriptor,
+            new string[] { "A", "Dummy2", "B", "Dummy4", "Dummy5", "Dummy6", "Dummy7", "Dummy8", "Dummy9", "Dummy10", "Dummy11", "Dummy12", "Dummy13", "Dummy14", "Dummy15", "Dummy16", "Dummy17", "Dummy18", "Dummy19", "Dummy20", "Dummy21", "Dummy22", "Dummy23", "Dummy24", "Dummy25", "Dummy26", "Dummy27", "Dummy28", "Dummy29", "Dummy30", "Dummy31", "Dummy32", "C", });
+    internal static readonly pbd::MessageDescriptor internal__static_protobuf_unittest_TestRequiredForeign__Descriptor
+        = Descriptor.MessageTypes[6];
+    internal static pb::FieldAccess.FieldAccessorTable<global::Google.ProtocolBuffers.TestProtos.TestRequiredForeign, global::Google.ProtocolBuffers.TestProtos.TestRequiredForeign.Builder> internal__static_protobuf_unittest_TestRequiredForeign__FieldAccessorTable
+        = new pb::FieldAccess.FieldAccessorTable<global::Google.ProtocolBuffers.TestProtos.TestRequiredForeign, global::Google.ProtocolBuffers.TestProtos.TestRequiredForeign.Builder>(internal__static_protobuf_unittest_TestRequiredForeign__Descriptor,
+            new string[] { "OptionalMessage", "RepeatedMessage", "Dummy", });
+    internal static readonly pbd::MessageDescriptor internal__static_protobuf_unittest_TestForeignNested__Descriptor
+        = Descriptor.MessageTypes[7];
+    internal static pb::FieldAccess.FieldAccessorTable<global::Google.ProtocolBuffers.TestProtos.TestForeignNested, global::Google.ProtocolBuffers.TestProtos.TestForeignNested.Builder> internal__static_protobuf_unittest_TestForeignNested__FieldAccessorTable
+        = new pb::FieldAccess.FieldAccessorTable<global::Google.ProtocolBuffers.TestProtos.TestForeignNested, global::Google.ProtocolBuffers.TestProtos.TestForeignNested.Builder>(internal__static_protobuf_unittest_TestForeignNested__Descriptor,
+            new string[] { "ForeignNested", });
+    internal static readonly pbd::MessageDescriptor internal__static_protobuf_unittest_TestEmptyMessage__Descriptor
+        = Descriptor.MessageTypes[8];
+    internal static pb::FieldAccess.FieldAccessorTable<global::Google.ProtocolBuffers.TestProtos.TestEmptyMessage, global::Google.ProtocolBuffers.TestProtos.TestEmptyMessage.Builder> internal__static_protobuf_unittest_TestEmptyMessage__FieldAccessorTable
+        = new pb::FieldAccess.FieldAccessorTable<global::Google.ProtocolBuffers.TestProtos.TestEmptyMessage, global::Google.ProtocolBuffers.TestProtos.TestEmptyMessage.Builder>(internal__static_protobuf_unittest_TestEmptyMessage__Descriptor,
+            new string[] { });
+    internal static readonly pbd::MessageDescriptor internal__static_protobuf_unittest_TestEmptyMessageWithExtensions__Descriptor
+        = Descriptor.MessageTypes[9];
+    internal static pb::FieldAccess.FieldAccessorTable<global::Google.ProtocolBuffers.TestProtos.TestEmptyMessageWithExtensions, global::Google.ProtocolBuffers.TestProtos.TestEmptyMessageWithExtensions.Builder> internal__static_protobuf_unittest_TestEmptyMessageWithExtensions__FieldAccessorTable
+        = new pb::FieldAccess.FieldAccessorTable<global::Google.ProtocolBuffers.TestProtos.TestEmptyMessageWithExtensions, global::Google.ProtocolBuffers.TestProtos.TestEmptyMessageWithExtensions.Builder>(internal__static_protobuf_unittest_TestEmptyMessageWithExtensions__Descriptor,
+            new string[] { });
+    internal static readonly pbd::MessageDescriptor internal__static_protobuf_unittest_TestReallyLargeTagNumber__Descriptor
+        = Descriptor.MessageTypes[10];
+    internal static pb::FieldAccess.FieldAccessorTable<global::Google.ProtocolBuffers.TestProtos.TestReallyLargeTagNumber, global::Google.ProtocolBuffers.TestProtos.TestReallyLargeTagNumber.Builder> internal__static_protobuf_unittest_TestReallyLargeTagNumber__FieldAccessorTable
+        = new pb::FieldAccess.FieldAccessorTable<global::Google.ProtocolBuffers.TestProtos.TestReallyLargeTagNumber, global::Google.ProtocolBuffers.TestProtos.TestReallyLargeTagNumber.Builder>(internal__static_protobuf_unittest_TestReallyLargeTagNumber__Descriptor,
+            new string[] { "A", "Bb", });
+    internal static readonly pbd::MessageDescriptor internal__static_protobuf_unittest_TestRecursiveMessage__Descriptor
+        = Descriptor.MessageTypes[11];
+    internal static pb::FieldAccess.FieldAccessorTable<global::Google.ProtocolBuffers.TestProtos.TestRecursiveMessage, global::Google.ProtocolBuffers.TestProtos.TestRecursiveMessage.Builder> internal__static_protobuf_unittest_TestRecursiveMessage__FieldAccessorTable
+        = new pb::FieldAccess.FieldAccessorTable<global::Google.ProtocolBuffers.TestProtos.TestRecursiveMessage, global::Google.ProtocolBuffers.TestProtos.TestRecursiveMessage.Builder>(internal__static_protobuf_unittest_TestRecursiveMessage__Descriptor,
+            new string[] { "A", "I", });
+    internal static readonly pbd::MessageDescriptor internal__static_protobuf_unittest_TestMutualRecursionA__Descriptor
+        = Descriptor.MessageTypes[12];
+    internal static pb::FieldAccess.FieldAccessorTable<global::Google.ProtocolBuffers.TestProtos.TestMutualRecursionA, global::Google.ProtocolBuffers.TestProtos.TestMutualRecursionA.Builder> internal__static_protobuf_unittest_TestMutualRecursionA__FieldAccessorTable
+        = new pb::FieldAccess.FieldAccessorTable<global::Google.ProtocolBuffers.TestProtos.TestMutualRecursionA, global::Google.ProtocolBuffers.TestProtos.TestMutualRecursionA.Builder>(internal__static_protobuf_unittest_TestMutualRecursionA__Descriptor,
+            new string[] { "Bb", });
+    internal static readonly pbd::MessageDescriptor internal__static_protobuf_unittest_TestMutualRecursionB__Descriptor
+        = Descriptor.MessageTypes[13];
+    internal static pb::FieldAccess.FieldAccessorTable<global::Google.ProtocolBuffers.TestProtos.TestMutualRecursionB, global::Google.ProtocolBuffers.TestProtos.TestMutualRecursionB.Builder> internal__static_protobuf_unittest_TestMutualRecursionB__FieldAccessorTable
+        = new pb::FieldAccess.FieldAccessorTable<global::Google.ProtocolBuffers.TestProtos.TestMutualRecursionB, global::Google.ProtocolBuffers.TestProtos.TestMutualRecursionB.Builder>(internal__static_protobuf_unittest_TestMutualRecursionB__Descriptor,
+            new string[] { "A", "OptionalInt32", });
+    internal static readonly pbd::MessageDescriptor internal__static_protobuf_unittest_TestDupFieldNumber__Descriptor
+        = Descriptor.MessageTypes[14];
+    internal static pb::FieldAccess.FieldAccessorTable<global::Google.ProtocolBuffers.TestProtos.TestDupFieldNumber, global::Google.ProtocolBuffers.TestProtos.TestDupFieldNumber.Builder> internal__static_protobuf_unittest_TestDupFieldNumber__FieldAccessorTable
+        = new pb::FieldAccess.FieldAccessorTable<global::Google.ProtocolBuffers.TestProtos.TestDupFieldNumber, global::Google.ProtocolBuffers.TestProtos.TestDupFieldNumber.Builder>(internal__static_protobuf_unittest_TestDupFieldNumber__Descriptor,
+            new string[] { "A", "Foo", "Bar", });
+    internal static readonly pbd::MessageDescriptor internal__static_protobuf_unittest_TestDupFieldNumber_Foo__Descriptor
+        = internal__static_protobuf_unittest_TestDupFieldNumber__Descriptor.NestedTypes[0];
+    internal static pb::FieldAccess.FieldAccessorTable<global::Google.ProtocolBuffers.TestProtos.TestDupFieldNumber.Types.Foo, global::Google.ProtocolBuffers.TestProtos.TestDupFieldNumber.Types.Foo.Builder> internal__static_protobuf_unittest_TestDupFieldNumber_Foo__FieldAccessorTable
+        = new pb::FieldAccess.FieldAccessorTable<global::Google.ProtocolBuffers.TestProtos.TestDupFieldNumber.Types.Foo, global::Google.ProtocolBuffers.TestProtos.TestDupFieldNumber.Types.Foo.Builder>(internal__static_protobuf_unittest_TestDupFieldNumber_Foo__Descriptor,
+            new string[] { "A", });
+    internal static readonly pbd::MessageDescriptor internal__static_protobuf_unittest_TestDupFieldNumber_Bar__Descriptor
+        = internal__static_protobuf_unittest_TestDupFieldNumber__Descriptor.NestedTypes[1];
+    internal static pb::FieldAccess.FieldAccessorTable<global::Google.ProtocolBuffers.TestProtos.TestDupFieldNumber.Types.Bar, global::Google.ProtocolBuffers.TestProtos.TestDupFieldNumber.Types.Bar.Builder> internal__static_protobuf_unittest_TestDupFieldNumber_Bar__FieldAccessorTable
+        = new pb::FieldAccess.FieldAccessorTable<global::Google.ProtocolBuffers.TestProtos.TestDupFieldNumber.Types.Bar, global::Google.ProtocolBuffers.TestProtos.TestDupFieldNumber.Types.Bar.Builder>(internal__static_protobuf_unittest_TestDupFieldNumber_Bar__Descriptor,
+            new string[] { "A", });
+    internal static readonly pbd::MessageDescriptor internal__static_protobuf_unittest_TestNestedMessageHasBits__Descriptor
+        = Descriptor.MessageTypes[15];
+    internal static pb::FieldAccess.FieldAccessorTable<global::Google.ProtocolBuffers.TestProtos.TestNestedMessageHasBits, global::Google.ProtocolBuffers.TestProtos.TestNestedMessageHasBits.Builder> internal__static_protobuf_unittest_TestNestedMessageHasBits__FieldAccessorTable
+        = new pb::FieldAccess.FieldAccessorTable<global::Google.ProtocolBuffers.TestProtos.TestNestedMessageHasBits, global::Google.ProtocolBuffers.TestProtos.TestNestedMessageHasBits.Builder>(internal__static_protobuf_unittest_TestNestedMessageHasBits__Descriptor,
+            new string[] { "OptionalNestedMessage", });
+    internal static readonly pbd::MessageDescriptor internal__static_protobuf_unittest_TestNestedMessageHasBits_NestedMessage__Descriptor
+        = internal__static_protobuf_unittest_TestNestedMessageHasBits__Descriptor.NestedTypes[0];
+    internal static pb::FieldAccess.FieldAccessorTable<global::Google.ProtocolBuffers.TestProtos.TestNestedMessageHasBits.Types.NestedMessage, global::Google.ProtocolBuffers.TestProtos.TestNestedMessageHasBits.Types.NestedMessage.Builder> internal__static_protobuf_unittest_TestNestedMessageHasBits_NestedMessage__FieldAccessorTable
+        = new pb::FieldAccess.FieldAccessorTable<global::Google.ProtocolBuffers.TestProtos.TestNestedMessageHasBits.Types.NestedMessage, global::Google.ProtocolBuffers.TestProtos.TestNestedMessageHasBits.Types.NestedMessage.Builder>(internal__static_protobuf_unittest_TestNestedMessageHasBits_NestedMessage__Descriptor,
+            new string[] { "NestedmessageRepeatedInt32", "NestedmessageRepeatedForeignmessage", });
+    internal static readonly pbd::MessageDescriptor internal__static_protobuf_unittest_TestCamelCaseFieldNames__Descriptor
+        = Descriptor.MessageTypes[16];
+    internal static pb::FieldAccess.FieldAccessorTable<global::Google.ProtocolBuffers.TestProtos.TestCamelCaseFieldNames, global::Google.ProtocolBuffers.TestProtos.TestCamelCaseFieldNames.Builder> internal__static_protobuf_unittest_TestCamelCaseFieldNames__FieldAccessorTable
+        = new pb::FieldAccess.FieldAccessorTable<global::Google.ProtocolBuffers.TestProtos.TestCamelCaseFieldNames, global::Google.ProtocolBuffers.TestProtos.TestCamelCaseFieldNames.Builder>(internal__static_protobuf_unittest_TestCamelCaseFieldNames__Descriptor,
+            new string[] { "PrimitiveField", "StringField", "EnumField", "MessageField", "StringPieceField", "CordField", "RepeatedPrimitiveField", "RepeatedStringField", "RepeatedEnumField", "RepeatedMessageField", "RepeatedStringPieceField", "RepeatedCordField", });
+    internal static readonly pbd::MessageDescriptor internal__static_protobuf_unittest_TestFieldOrderings__Descriptor
+        = Descriptor.MessageTypes[17];
+    internal static pb::FieldAccess.FieldAccessorTable<global::Google.ProtocolBuffers.TestProtos.TestFieldOrderings, global::Google.ProtocolBuffers.TestProtos.TestFieldOrderings.Builder> internal__static_protobuf_unittest_TestFieldOrderings__FieldAccessorTable
+        = new pb::FieldAccess.FieldAccessorTable<global::Google.ProtocolBuffers.TestProtos.TestFieldOrderings, global::Google.ProtocolBuffers.TestProtos.TestFieldOrderings.Builder>(internal__static_protobuf_unittest_TestFieldOrderings__Descriptor,
+            new string[] { "MyString", "MyInt", "MyFloat", });
+    internal static readonly pbd::MessageDescriptor internal__static_protobuf_unittest_TestExtremeDefaultValues__Descriptor
+        = Descriptor.MessageTypes[18];
+    internal static pb::FieldAccess.FieldAccessorTable<global::Google.ProtocolBuffers.TestProtos.TestExtremeDefaultValues, global::Google.ProtocolBuffers.TestProtos.TestExtremeDefaultValues.Builder> internal__static_protobuf_unittest_TestExtremeDefaultValues__FieldAccessorTable
+        = new pb::FieldAccess.FieldAccessorTable<global::Google.ProtocolBuffers.TestProtos.TestExtremeDefaultValues, global::Google.ProtocolBuffers.TestProtos.TestExtremeDefaultValues.Builder>(internal__static_protobuf_unittest_TestExtremeDefaultValues__Descriptor,
+            new string[] { "EscapedBytes", "LargeUint32", "LargeUint64", "SmallInt32", "SmallInt64", "Utf8String", });
+    internal static readonly pbd::MessageDescriptor internal__static_protobuf_unittest_FooRequest__Descriptor
+        = Descriptor.MessageTypes[19];
+    internal static pb::FieldAccess.FieldAccessorTable<global::Google.ProtocolBuffers.TestProtos.FooRequest, global::Google.ProtocolBuffers.TestProtos.FooRequest.Builder> internal__static_protobuf_unittest_FooRequest__FieldAccessorTable
+        = new pb::FieldAccess.FieldAccessorTable<global::Google.ProtocolBuffers.TestProtos.FooRequest, global::Google.ProtocolBuffers.TestProtos.FooRequest.Builder>(internal__static_protobuf_unittest_FooRequest__Descriptor,
+            new string[] { });
+    internal static readonly pbd::MessageDescriptor internal__static_protobuf_unittest_FooResponse__Descriptor
+        = Descriptor.MessageTypes[20];
+    internal static pb::FieldAccess.FieldAccessorTable<global::Google.ProtocolBuffers.TestProtos.FooResponse, global::Google.ProtocolBuffers.TestProtos.FooResponse.Builder> internal__static_protobuf_unittest_FooResponse__FieldAccessorTable
+        = new pb::FieldAccess.FieldAccessorTable<global::Google.ProtocolBuffers.TestProtos.FooResponse, global::Google.ProtocolBuffers.TestProtos.FooResponse.Builder>(internal__static_protobuf_unittest_FooResponse__Descriptor,
+            new string[] { });
+    internal static readonly pbd::MessageDescriptor internal__static_protobuf_unittest_BarRequest__Descriptor
+        = Descriptor.MessageTypes[21];
+    internal static pb::FieldAccess.FieldAccessorTable<global::Google.ProtocolBuffers.TestProtos.BarRequest, global::Google.ProtocolBuffers.TestProtos.BarRequest.Builder> internal__static_protobuf_unittest_BarRequest__FieldAccessorTable
+        = new pb::FieldAccess.FieldAccessorTable<global::Google.ProtocolBuffers.TestProtos.BarRequest, global::Google.ProtocolBuffers.TestProtos.BarRequest.Builder>(internal__static_protobuf_unittest_BarRequest__Descriptor,
+            new string[] { });
+    internal static readonly pbd::MessageDescriptor internal__static_protobuf_unittest_BarResponse__Descriptor
+        = Descriptor.MessageTypes[22];
+    internal static pb::FieldAccess.FieldAccessorTable<global::Google.ProtocolBuffers.TestProtos.BarResponse, global::Google.ProtocolBuffers.TestProtos.BarResponse.Builder> internal__static_protobuf_unittest_BarResponse__FieldAccessorTable
+        = new pb::FieldAccess.FieldAccessorTable<global::Google.ProtocolBuffers.TestProtos.BarResponse, global::Google.ProtocolBuffers.TestProtos.BarResponse.Builder>(internal__static_protobuf_unittest_BarResponse__Descriptor,
+            new string[] { });
+    #endregion
+  }
+  #region Enums
+  public enum ForeignEnum {
+    FOREIGN_FOO = 4,
+    FOREIGN_BAR = 5,
+    FOREIGN_BAZ = 6,
+  }
+  
+  public enum TestEnumWithDupValue {
+    FOO1 = 1,
+    BAR1 = 2,
+    BAZ = 3,
+    FOO2 = 1,
+    BAR2 = 2,
+  }
+  
+  public enum TestSparseEnum {
+    SPARSE_A = 123,
+    SPARSE_B = 62374,
+    SPARSE_C = 12589234,
+    SPARSE_D = -15,
+    SPARSE_E = -53452,
+    SPARSE_F = 0,
+    SPARSE_G = 2,
+  }
+  
+  #endregion
+  
+  #region Messages
+  public sealed partial class TestAllTypes : pb::GeneratedMessage<TestAllTypes, TestAllTypes.Builder> {
+    private static readonly TestAllTypes defaultInstance = new Builder().BuildPartial();
+    public static TestAllTypes DefaultInstance {
+      get { return defaultInstance; }
+    }
+    
+    public override TestAllTypes DefaultInstanceForType {
+      get { return defaultInstance; }
+    }
+    
+    protected override TestAllTypes ThisMessage {
+      get { return this; }
+    }
+    
+    public static pbd::MessageDescriptor Descriptor {
+      get { return global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.internal__static_protobuf_unittest_TestAllTypes__Descriptor; }
+    }
+    
+    protected override pb::FieldAccess.FieldAccessorTable<TestAllTypes, TestAllTypes.Builder> InternalFieldAccessors {
+      get { return global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.internal__static_protobuf_unittest_TestAllTypes__FieldAccessorTable; }
+    }
+    
+    #region Nested types
+    public static class Types {
+      public enum NestedEnum {
+        FOO = 1,
+        BAR = 2,
+        BAZ = 3,
+      }
+      
+      public sealed partial class NestedMessage : pb::GeneratedMessage<NestedMessage, NestedMessage.Builder> {
+        private static readonly NestedMessage defaultInstance = new Builder().BuildPartial();
+        public static NestedMessage DefaultInstance {
+          get { return defaultInstance; }
+        }
+        
+        public override NestedMessage DefaultInstanceForType {
+          get { return defaultInstance; }
+        }
+        
+        protected override NestedMessage ThisMessage {
+          get { return this; }
+        }
+        
+        public static pbd::MessageDescriptor Descriptor {
+          get { return global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.internal__static_protobuf_unittest_TestAllTypes_NestedMessage__Descriptor; }
+        }
+        
+        protected override pb::FieldAccess.FieldAccessorTable<NestedMessage, NestedMessage.Builder> InternalFieldAccessors {
+          get { return global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.internal__static_protobuf_unittest_TestAllTypes_NestedMessage__FieldAccessorTable; }
+        }
+        
+        private bool hasBb;
+        private int bb_ = 0;
+        public bool HasBb {
+          get { return hasBb; }
+        }
+        public int Bb {
+          get { return bb_; }
+        }
+        
+        public override bool IsInitialized {
+          get {
+            return true;
+          }
+        }
+        
+        public override void WriteTo(pb::CodedOutputStream output) {
+          if (HasBb) {
+            output.WriteInt32(1, Bb);
+          }
+          UnknownFields.WriteTo(output);
+        }
+        
+        private int memoizedSerializedSize = -1;
+        public override int SerializedSize {
+          get {
+            int size = memoizedSerializedSize;
+            if (size != -1) return size;
+            
+            size = 0;
+            if (HasBb) {
+              size += pb::CodedOutputStream.ComputeInt32Size(1, Bb);
+            }
+            size += UnknownFields.SerializedSize;
+            memoizedSerializedSize = size;
+            return size;
+          }
+        }
+        
+        public static NestedMessage ParseFrom(pb::ByteString data) {
+          return ((Builder) CreateBuilder().MergeFrom(data)).BuildParsed();
+        }
+        public static NestedMessage ParseFrom(pb::ByteString data, pb::ExtensionRegistry extensionRegistry) {
+          return ((Builder) CreateBuilder().MergeFrom(data, extensionRegistry)).BuildParsed();
+        }
+        public static NestedMessage ParseFrom(byte[] data) {
+          return ((Builder) CreateBuilder().MergeFrom(data)).BuildParsed();
+        }
+        public static NestedMessage ParseFrom(byte[] data, pb::ExtensionRegistry extensionRegistry) {
+          return ((Builder) CreateBuilder().MergeFrom(data, extensionRegistry)).BuildParsed();
+        }
+        public static NestedMessage ParseFrom(global::System.IO.Stream input) {
+          return ((Builder) CreateBuilder().MergeFrom(input)).BuildParsed();
+        }
+        public static NestedMessage ParseFrom(global::System.IO.Stream input, pb::ExtensionRegistry extensionRegistry) {
+          return ((Builder) CreateBuilder().MergeFrom(input, extensionRegistry)).BuildParsed();
+        }
+        public static NestedMessage ParseFrom(pb::CodedInputStream input) {
+          return ((Builder) CreateBuilder().MergeFrom(input)).BuildParsed();
+        }
+        public static NestedMessage ParseFrom(pb::CodedInputStream input, pb::ExtensionRegistry extensionRegistry) {
+          return ((Builder) CreateBuilder().MergeFrom(input, extensionRegistry)).BuildParsed();
+        }
+        public static Builder CreateBuilder() { return new Builder(); }
+        public override Builder CreateBuilderForType() { return new Builder(); }
+        public static Builder CreateBuilder(NestedMessage prototype) {
+          return (Builder) new Builder().MergeFrom(prototype);
+        }
+        
+        public sealed partial class Builder : pb::GeneratedBuilder<NestedMessage, Builder> {
+          protected override Builder ThisBuilder {
+            get { return this; }
+          }
+          public Builder() {}
+          
+          NestedMessage result = new NestedMessage();
+          
+          protected override NestedMessage MessageBeingBuilt {
+            get { return result; }
+          }
+          
+          public override Builder Clear() {
+            result = new NestedMessage();
+            return this;
+          }
+          
+          public override Builder Clone() {
+            return new Builder().MergeFrom(result);
+          }
+          
+          public override pbd::MessageDescriptor DescriptorForType {
+            get { return NestedMessage.Descriptor; }
+          }
+          
+          public override NestedMessage DefaultInstanceForType {
+            get { return NestedMessage.DefaultInstance; }
+          }
+          
+          public override NestedMessage BuildPartial() {
+            NestedMessage returnMe = result;
+            result = null;
+            return returnMe;
+          }
+          
+          public override Builder MergeFrom(pb::IMessage other) {
+            if (other is NestedMessage) {
+              return MergeFrom((NestedMessage) other);
+            } else {
+              base.MergeFrom(other);
+              return this;
+            }
+          }
+          
+          public override Builder MergeFrom(NestedMessage other) {
+            if (other == NestedMessage.DefaultInstance) return this;
+            if (other.HasBb) {
+              Bb = other.Bb;
+            }
+            this.MergeUnknownFields(other.UnknownFields);
+            return this;
+          }
+          
+          public override Builder MergeFrom(pb::CodedInputStream input) {
+            return MergeFrom(input, pb::ExtensionRegistry.Empty);
+          }
+          
+          public override Builder MergeFrom(pb::CodedInputStream input, pb::ExtensionRegistry extensionRegistry) {
+            pb::UnknownFieldSet.Builder unknownFields = pb::UnknownFieldSet.CreateBuilder(this.UnknownFields);
+            while (true) {
+              uint tag = input.ReadTag();
+              switch (tag) {
+                case 0: {
+                  this.UnknownFields = unknownFields.Build();
+                  return this;
+                }
+                default: {
+                  if (!ParseUnknownField(input, unknownFields, extensionRegistry, tag)) {
+                    this.UnknownFields = unknownFields.Build();
+                    return this;
+                  }
+                  break;
+                }
+                case 8: {
+                  Bb = input.ReadInt32();
+                  break;
+                }
+              }
+            }
+          }
+          
+          
+          public bool HasBb {
+            get { return result.HasBb; }
+          }
+          public int Bb {
+            get { return result.Bb; }
+            set { SetBb(value); }
+          }
+          public Builder SetBb(int value) {
+            result.hasBb = true;
+            result.bb_ = value;
+            return this;
+          }
+          public Builder ClearBb() {
+            result.hasBb = false;
+            result.bb_ = 0;
+            return this;
+          }
+        }
+      }
+      
+      public sealed partial class OptionalGroup : pb::GeneratedMessage<OptionalGroup, OptionalGroup.Builder> {
+        private static readonly OptionalGroup defaultInstance = new Builder().BuildPartial();
+        public static OptionalGroup DefaultInstance {
+          get { return defaultInstance; }
+        }
+        
+        public override OptionalGroup DefaultInstanceForType {
+          get { return defaultInstance; }
+        }
+        
+        protected override OptionalGroup ThisMessage {
+          get { return this; }
+        }
+        
+        public static pbd::MessageDescriptor Descriptor {
+          get { return global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.internal__static_protobuf_unittest_TestAllTypes_OptionalGroup__Descriptor; }
+        }
+        
+        protected override pb::FieldAccess.FieldAccessorTable<OptionalGroup, OptionalGroup.Builder> InternalFieldAccessors {
+          get { return global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.internal__static_protobuf_unittest_TestAllTypes_OptionalGroup__FieldAccessorTable; }
+        }
+        
+        private bool hasA;
+        private int a_ = 0;
+        public bool HasA {
+          get { return hasA; }
+        }
+        public int A {
+          get { return a_; }
+        }
+        
+        public override bool IsInitialized {
+          get {
+            return true;
+          }
+        }
+        
+        public override void WriteTo(pb::CodedOutputStream output) {
+          if (HasA) {
+            output.WriteInt32(17, A);
+          }
+          UnknownFields.WriteTo(output);
+        }
+        
+        private int memoizedSerializedSize = -1;
+        public override int SerializedSize {
+          get {
+            int size = memoizedSerializedSize;
+            if (size != -1) return size;
+            
+            size = 0;
+            if (HasA) {
+              size += pb::CodedOutputStream.ComputeInt32Size(17, A);
+            }
+            size += UnknownFields.SerializedSize;
+            memoizedSerializedSize = size;
+            return size;
+          }
+        }
+        
+        public static OptionalGroup ParseFrom(pb::ByteString data) {
+          return ((Builder) CreateBuilder().MergeFrom(data)).BuildParsed();
+        }
+        public static OptionalGroup ParseFrom(pb::ByteString data, pb::ExtensionRegistry extensionRegistry) {
+          return ((Builder) CreateBuilder().MergeFrom(data, extensionRegistry)).BuildParsed();
+        }
+        public static OptionalGroup ParseFrom(byte[] data) {
+          return ((Builder) CreateBuilder().MergeFrom(data)).BuildParsed();
+        }
+        public static OptionalGroup ParseFrom(byte[] data, pb::ExtensionRegistry extensionRegistry) {
+          return ((Builder) CreateBuilder().MergeFrom(data, extensionRegistry)).BuildParsed();
+        }
+        public static OptionalGroup ParseFrom(global::System.IO.Stream input) {
+          return ((Builder) CreateBuilder().MergeFrom(input)).BuildParsed();
+        }
+        public static OptionalGroup ParseFrom(global::System.IO.Stream input, pb::ExtensionRegistry extensionRegistry) {
+          return ((Builder) CreateBuilder().MergeFrom(input, extensionRegistry)).BuildParsed();
+        }
+        public static OptionalGroup ParseFrom(pb::CodedInputStream input) {
+          return ((Builder) CreateBuilder().MergeFrom(input)).BuildParsed();
+        }
+        public static OptionalGroup ParseFrom(pb::CodedInputStream input, pb::ExtensionRegistry extensionRegistry) {
+          return ((Builder) CreateBuilder().MergeFrom(input, extensionRegistry)).BuildParsed();
+        }
+        public static Builder CreateBuilder() { return new Builder(); }
+        public override Builder CreateBuilderForType() { return new Builder(); }
+        public static Builder CreateBuilder(OptionalGroup prototype) {
+          return (Builder) new Builder().MergeFrom(prototype);
+        }
+        
+        public sealed partial class Builder : pb::GeneratedBuilder<OptionalGroup, Builder> {
+          protected override Builder ThisBuilder {
+            get { return this; }
+          }
+          public Builder() {}
+          
+          OptionalGroup result = new OptionalGroup();
+          
+          protected override OptionalGroup MessageBeingBuilt {
+            get { return result; }
+          }
+          
+          public override Builder Clear() {
+            result = new OptionalGroup();
+            return this;
+          }
+          
+          public override Builder Clone() {
+            return new Builder().MergeFrom(result);
+          }
+          
+          public override pbd::MessageDescriptor DescriptorForType {
+            get { return OptionalGroup.Descriptor; }
+          }
+          
+          public override OptionalGroup DefaultInstanceForType {
+            get { return OptionalGroup.DefaultInstance; }
+          }
+          
+          public override OptionalGroup BuildPartial() {
+            OptionalGroup returnMe = result;
+            result = null;
+            return returnMe;
+          }
+          
+          public override Builder MergeFrom(pb::IMessage other) {
+            if (other is OptionalGroup) {
+              return MergeFrom((OptionalGroup) other);
+            } else {
+              base.MergeFrom(other);
+              return this;
+            }
+          }
+          
+          public override Builder MergeFrom(OptionalGroup other) {
+            if (other == OptionalGroup.DefaultInstance) return this;
+            if (other.HasA) {
+              A = other.A;
+            }
+            this.MergeUnknownFields(other.UnknownFields);
+            return this;
+          }
+          
+          public override Builder MergeFrom(pb::CodedInputStream input) {
+            return MergeFrom(input, pb::ExtensionRegistry.Empty);
+          }
+          
+          public override Builder MergeFrom(pb::CodedInputStream input, pb::ExtensionRegistry extensionRegistry) {
+            pb::UnknownFieldSet.Builder unknownFields = pb::UnknownFieldSet.CreateBuilder(this.UnknownFields);
+            while (true) {
+              uint tag = input.ReadTag();
+              switch (tag) {
+                case 0: {
+                  this.UnknownFields = unknownFields.Build();
+                  return this;
+                }
+                default: {
+                  if (!ParseUnknownField(input, unknownFields, extensionRegistry, tag)) {
+                    this.UnknownFields = unknownFields.Build();
+                    return this;
+                  }
+                  break;
+                }
+                case 136: {
+                  A = input.ReadInt32();
+                  break;
+                }
+              }
+            }
+          }
+          
+          
+          public bool HasA {
+            get { return result.HasA; }
+          }
+          public int A {
+            get { return result.A; }
+            set { SetA(value); }
+          }
+          public Builder SetA(int value) {
+            result.hasA = true;
+            result.a_ = value;
+            return this;
+          }
+          public Builder ClearA() {
+            result.hasA = false;
+            result.a_ = 0;
+            return this;
+          }
+        }
+      }
+      
+      public sealed partial class RepeatedGroup : pb::GeneratedMessage<RepeatedGroup, RepeatedGroup.Builder> {
+        private static readonly RepeatedGroup defaultInstance = new Builder().BuildPartial();
+        public static RepeatedGroup DefaultInstance {
+          get { return defaultInstance; }
+        }
+        
+        public override RepeatedGroup DefaultInstanceForType {
+          get { return defaultInstance; }
+        }
+        
+        protected override RepeatedGroup ThisMessage {
+          get { return this; }
+        }
+        
+        public static pbd::MessageDescriptor Descriptor {
+          get { return global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.internal__static_protobuf_unittest_TestAllTypes_RepeatedGroup__Descriptor; }
+        }
+        
+        protected override pb::FieldAccess.FieldAccessorTable<RepeatedGroup, RepeatedGroup.Builder> InternalFieldAccessors {
+          get { return global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.internal__static_protobuf_unittest_TestAllTypes_RepeatedGroup__FieldAccessorTable; }
+        }
+        
+        private bool hasA;
+        private int a_ = 0;
+        public bool HasA {
+          get { return hasA; }
+        }
+        public int A {
+          get { return a_; }
+        }
+        
+        public override bool IsInitialized {
+          get {
+            return true;
+          }
+        }
+        
+        public override void WriteTo(pb::CodedOutputStream output) {
+          if (HasA) {
+            output.WriteInt32(47, A);
+          }
+          UnknownFields.WriteTo(output);
+        }
+        
+        private int memoizedSerializedSize = -1;
+        public override int SerializedSize {
+          get {
+            int size = memoizedSerializedSize;
+            if (size != -1) return size;
+            
+            size = 0;
+            if (HasA) {
+              size += pb::CodedOutputStream.ComputeInt32Size(47, A);
+            }
+            size += UnknownFields.SerializedSize;
+            memoizedSerializedSize = size;
+            return size;
+          }
+        }
+        
+        public static RepeatedGroup ParseFrom(pb::ByteString data) {
+          return ((Builder) CreateBuilder().MergeFrom(data)).BuildParsed();
+        }
+        public static RepeatedGroup ParseFrom(pb::ByteString data, pb::ExtensionRegistry extensionRegistry) {
+          return ((Builder) CreateBuilder().MergeFrom(data, extensionRegistry)).BuildParsed();
+        }
+        public static RepeatedGroup ParseFrom(byte[] data) {
+          return ((Builder) CreateBuilder().MergeFrom(data)).BuildParsed();
+        }
+        public static RepeatedGroup ParseFrom(byte[] data, pb::ExtensionRegistry extensionRegistry) {
+          return ((Builder) CreateBuilder().MergeFrom(data, extensionRegistry)).BuildParsed();
+        }
+        public static RepeatedGroup ParseFrom(global::System.IO.Stream input) {
+          return ((Builder) CreateBuilder().MergeFrom(input)).BuildParsed();
+        }
+        public static RepeatedGroup ParseFrom(global::System.IO.Stream input, pb::ExtensionRegistry extensionRegistry) {
+          return ((Builder) CreateBuilder().MergeFrom(input, extensionRegistry)).BuildParsed();
+        }
+        public static RepeatedGroup ParseFrom(pb::CodedInputStream input) {
+          return ((Builder) CreateBuilder().MergeFrom(input)).BuildParsed();
+        }
+        public static RepeatedGroup ParseFrom(pb::CodedInputStream input, pb::ExtensionRegistry extensionRegistry) {
+          return ((Builder) CreateBuilder().MergeFrom(input, extensionRegistry)).BuildParsed();
+        }
+        public static Builder CreateBuilder() { return new Builder(); }
+        public override Builder CreateBuilderForType() { return new Builder(); }
+        public static Builder CreateBuilder(RepeatedGroup prototype) {
+          return (Builder) new Builder().MergeFrom(prototype);
+        }
+        
+        public sealed partial class Builder : pb::GeneratedBuilder<RepeatedGroup, Builder> {
+          protected override Builder ThisBuilder {
+            get { return this; }
+          }
+          public Builder() {}
+          
+          RepeatedGroup result = new RepeatedGroup();
+          
+          protected override RepeatedGroup MessageBeingBuilt {
+            get { return result; }
+          }
+          
+          public override Builder Clear() {
+            result = new RepeatedGroup();
+            return this;
+          }
+          
+          public override Builder Clone() {
+            return new Builder().MergeFrom(result);
+          }
+          
+          public override pbd::MessageDescriptor DescriptorForType {
+            get { return RepeatedGroup.Descriptor; }
+          }
+          
+          public override RepeatedGroup DefaultInstanceForType {
+            get { return RepeatedGroup.DefaultInstance; }
+          }
+          
+          public override RepeatedGroup BuildPartial() {
+            RepeatedGroup returnMe = result;
+            result = null;
+            return returnMe;
+          }
+          
+          public override Builder MergeFrom(pb::IMessage other) {
+            if (other is RepeatedGroup) {
+              return MergeFrom((RepeatedGroup) other);
+            } else {
+              base.MergeFrom(other);
+              return this;
+            }
+          }
+          
+          public override Builder MergeFrom(RepeatedGroup other) {
+            if (other == RepeatedGroup.DefaultInstance) return this;
+            if (other.HasA) {
+              A = other.A;
+            }
+            this.MergeUnknownFields(other.UnknownFields);
+            return this;
+          }
+          
+          public override Builder MergeFrom(pb::CodedInputStream input) {
+            return MergeFrom(input, pb::ExtensionRegistry.Empty);
+          }
+          
+          public override Builder MergeFrom(pb::CodedInputStream input, pb::ExtensionRegistry extensionRegistry) {
+            pb::UnknownFieldSet.Builder unknownFields = pb::UnknownFieldSet.CreateBuilder(this.UnknownFields);
+            while (true) {
+              uint tag = input.ReadTag();
+              switch (tag) {
+                case 0: {
+                  this.UnknownFields = unknownFields.Build();
+                  return this;
+                }
+                default: {
+                  if (!ParseUnknownField(input, unknownFields, extensionRegistry, tag)) {
+                    this.UnknownFields = unknownFields.Build();
+                    return this;
+                  }
+                  break;
+                }
+                case 376: {
+                  A = input.ReadInt32();
+                  break;
+                }
+              }
+            }
+          }
+          
+          
+          public bool HasA {
+            get { return result.HasA; }
+          }
+          public int A {
+            get { return result.A; }
+            set { SetA(value); }
+          }
+          public Builder SetA(int value) {
+            result.hasA = true;
+            result.a_ = value;
+            return this;
+          }
+          public Builder ClearA() {
+            result.hasA = false;
+            result.a_ = 0;
+            return this;
+          }
+        }
+      }
+      
+    }
+    #endregion
+    
+    private bool hasOptionalInt32;
+    private int optionalInt32_ = 0;
+    public bool HasOptionalInt32 {
+      get { return hasOptionalInt32; }
+    }
+    public int OptionalInt32 {
+      get { return optionalInt32_; }
+    }
+    
+    private bool hasOptionalInt64;
+    private long optionalInt64_ = 0L;
+    public bool HasOptionalInt64 {
+      get { return hasOptionalInt64; }
+    }
+    public long OptionalInt64 {
+      get { return optionalInt64_; }
+    }
+    
+    private bool hasOptionalUint32;
+    private uint optionalUint32_ = 0;
+    public bool HasOptionalUint32 {
+      get { return hasOptionalUint32; }
+    }
+    public uint OptionalUint32 {
+      get { return optionalUint32_; }
+    }
+    
+    private bool hasOptionalUint64;
+    private ulong optionalUint64_ = 0UL;
+    public bool HasOptionalUint64 {
+      get { return hasOptionalUint64; }
+    }
+    public ulong OptionalUint64 {
+      get { return optionalUint64_; }
+    }
+    
+    private bool hasOptionalSint32;
+    private int optionalSint32_ = 0;
+    public bool HasOptionalSint32 {
+      get { return hasOptionalSint32; }
+    }
+    public int OptionalSint32 {
+      get { return optionalSint32_; }
+    }
+    
+    private bool hasOptionalSint64;
+    private long optionalSint64_ = 0;
+    public bool HasOptionalSint64 {
+      get { return hasOptionalSint64; }
+    }
+    public long OptionalSint64 {
+      get { return optionalSint64_; }
+    }
+    
+    private bool hasOptionalFixed32;
+    private uint optionalFixed32_ = 0;
+    public bool HasOptionalFixed32 {
+      get { return hasOptionalFixed32; }
+    }
+    public uint OptionalFixed32 {
+      get { return optionalFixed32_; }
+    }
+    
+    private bool hasOptionalFixed64;
+    private ulong optionalFixed64_ = 0;
+    public bool HasOptionalFixed64 {
+      get { return hasOptionalFixed64; }
+    }
+    public ulong OptionalFixed64 {
+      get { return optionalFixed64_; }
+    }
+    
+    private bool hasOptionalSfixed32;
+    private int optionalSfixed32_ = 0;
+    public bool HasOptionalSfixed32 {
+      get { return hasOptionalSfixed32; }
+    }
+    public int OptionalSfixed32 {
+      get { return optionalSfixed32_; }
+    }
+    
+    private bool hasOptionalSfixed64;
+    private long optionalSfixed64_ = 0;
+    public bool HasOptionalSfixed64 {
+      get { return hasOptionalSfixed64; }
+    }
+    public long OptionalSfixed64 {
+      get { return optionalSfixed64_; }
+    }
+    
+    private bool hasOptionalFloat;
+    private float optionalFloat_ = 0F;
+    public bool HasOptionalFloat {
+      get { return hasOptionalFloat; }
+    }
+    public float OptionalFloat {
+      get { return optionalFloat_; }
+    }
+    
+    private bool hasOptionalDouble;
+    private double optionalDouble_ = 0D;
+    public bool HasOptionalDouble {
+      get { return hasOptionalDouble; }
+    }
+    public double OptionalDouble {
+      get { return optionalDouble_; }
+    }
+    
+    private bool hasOptionalBool;
+    private bool optionalBool_ = false;
+    public bool HasOptionalBool {
+      get { return hasOptionalBool; }
+    }
+    public bool OptionalBool {
+      get { return optionalBool_; }
+    }
+    
+    private bool hasOptionalString;
+    private string optionalString_ = "";
+    public bool HasOptionalString {
+      get { return hasOptionalString; }
+    }
+    public string OptionalString {
+      get { return optionalString_; }
+    }
+    
+    private bool hasOptionalBytes;
+    private pb::ByteString optionalBytes_ = pb::ByteString.Empty;
+    public bool HasOptionalBytes {
+      get { return hasOptionalBytes; }
+    }
+    public pb::ByteString OptionalBytes {
+      get { return optionalBytes_; }
+    }
+    
+    private bool hasOptionalGroup;
+    private global::Google.ProtocolBuffers.TestProtos.TestAllTypes.Types.OptionalGroup optionalGroup_ = global::Google.ProtocolBuffers.TestProtos.TestAllTypes.Types.OptionalGroup.DefaultInstance;
+    public bool HasOptionalGroup {
+      get { return hasOptionalGroup; }
+    }
+    public global::Google.ProtocolBuffers.TestProtos.TestAllTypes.Types.OptionalGroup OptionalGroup {
+      get { return optionalGroup_; }
+    }
+    
+    private bool hasOptionalNestedMessage;
+    private global::Google.ProtocolBuffers.TestProtos.TestAllTypes.Types.NestedMessage optionalNestedMessage_ = global::Google.ProtocolBuffers.TestProtos.TestAllTypes.Types.NestedMessage.DefaultInstance;
+    public bool HasOptionalNestedMessage {
+      get { return hasOptionalNestedMessage; }
+    }
+    public global::Google.ProtocolBuffers.TestProtos.TestAllTypes.Types.NestedMessage OptionalNestedMessage {
+      get { return optionalNestedMessage_; }
+    }
+    
+    private bool hasOptionalForeignMessage;
+    private global::Google.ProtocolBuffers.TestProtos.ForeignMessage optionalForeignMessage_ = global::Google.ProtocolBuffers.TestProtos.ForeignMessage.DefaultInstance;
+    public bool HasOptionalForeignMessage {
+      get { return hasOptionalForeignMessage; }
+    }
+    public global::Google.ProtocolBuffers.TestProtos.ForeignMessage OptionalForeignMessage {
+      get { return optionalForeignMessage_; }
+    }
+    
+    private bool hasOptionalImportMessage;
+    private global::Google.ProtocolBuffers.TestProtos.ImportMessage optionalImportMessage_ = global::Google.ProtocolBuffers.TestProtos.ImportMessage.DefaultInstance;
+    public bool HasOptionalImportMessage {
+      get { return hasOptionalImportMessage; }
+    }
+    public global::Google.ProtocolBuffers.TestProtos.ImportMessage OptionalImportMessage {
+      get { return optionalImportMessage_; }
+    }
+    
+    private bool hasOptionalNestedEnum;
+    private global::Google.ProtocolBuffers.TestProtos.TestAllTypes.Types.NestedEnum optionalNestedEnum_ = global::Google.ProtocolBuffers.TestProtos.TestAllTypes.Types.NestedEnum.FOO;
+    public bool HasOptionalNestedEnum {
+      get { return hasOptionalNestedEnum; }
+    }
+    public global::Google.ProtocolBuffers.TestProtos.TestAllTypes.Types.NestedEnum OptionalNestedEnum {
+      get { return optionalNestedEnum_; }
+    }
+    
+    private bool hasOptionalForeignEnum;
+    private global::Google.ProtocolBuffers.TestProtos.ForeignEnum optionalForeignEnum_ = global::Google.ProtocolBuffers.TestProtos.ForeignEnum.FOREIGN_FOO;
+    public bool HasOptionalForeignEnum {
+      get { return hasOptionalForeignEnum; }
+    }
+    public global::Google.ProtocolBuffers.TestProtos.ForeignEnum OptionalForeignEnum {
+      get { return optionalForeignEnum_; }
+    }
+    
+    private bool hasOptionalImportEnum;
+    private global::Google.ProtocolBuffers.TestProtos.ImportEnum optionalImportEnum_ = global::Google.ProtocolBuffers.TestProtos.ImportEnum.IMPORT_FOO;
+    public bool HasOptionalImportEnum {
+      get { return hasOptionalImportEnum; }
+    }
+    public global::Google.ProtocolBuffers.TestProtos.ImportEnum OptionalImportEnum {
+      get { return optionalImportEnum_; }
+    }
+    
+    private bool hasOptionalStringPiece;
+    private string optionalStringPiece_ = "";
+    public bool HasOptionalStringPiece {
+      get { return hasOptionalStringPiece; }
+    }
+    public string OptionalStringPiece {
+      get { return optionalStringPiece_; }
+    }
+    
+    private bool hasOptionalCord;
+    private string optionalCord_ = "";
+    public bool HasOptionalCord {
+      get { return hasOptionalCord; }
+    }
+    public string OptionalCord {
+      get { return optionalCord_; }
+    }
+    
+    private pbc::PopsicleList<int> repeatedInt32_ = new pbc::PopsicleList<int>();
+    public scg::IList<int> RepeatedInt32List {
+      get { return pbc::Lists.AsReadOnly(repeatedInt32_); }
+    }
+    public int RepeatedInt32Count {
+      get { return repeatedInt32_.Count; }
+    }
+    public int GetRepeatedInt32(int index) {
+      return repeatedInt32_[index];
+    }
+    
+    private pbc::PopsicleList<long> repeatedInt64_ = new pbc::PopsicleList<long>();
+    public scg::IList<long> RepeatedInt64List {
+      get { return pbc::Lists.AsReadOnly(repeatedInt64_); }
+    }
+    public int RepeatedInt64Count {
+      get { return repeatedInt64_.Count; }
+    }
+    public long GetRepeatedInt64(int index) {
+      return repeatedInt64_[index];
+    }
+    
+    private pbc::PopsicleList<uint> repeatedUint32_ = new pbc::PopsicleList<uint>();
+    public scg::IList<uint> RepeatedUint32List {
+      get { return pbc::Lists.AsReadOnly(repeatedUint32_); }
+    }
+    public int RepeatedUint32Count {
+      get { return repeatedUint32_.Count; }
+    }
+    public uint GetRepeatedUint32(int index) {
+      return repeatedUint32_[index];
+    }
+    
+    private pbc::PopsicleList<ulong> repeatedUint64_ = new pbc::PopsicleList<ulong>();
+    public scg::IList<ulong> RepeatedUint64List {
+      get { return pbc::Lists.AsReadOnly(repeatedUint64_); }
+    }
+    public int RepeatedUint64Count {
+      get { return repeatedUint64_.Count; }
+    }
+    public ulong GetRepeatedUint64(int index) {
+      return repeatedUint64_[index];
+    }
+    
+    private pbc::PopsicleList<int> repeatedSint32_ = new pbc::PopsicleList<int>();
+    public scg::IList<int> RepeatedSint32List {
+      get { return pbc::Lists.AsReadOnly(repeatedSint32_); }
+    }
+    public int RepeatedSint32Count {
+      get { return repeatedSint32_.Count; }
+    }
+    public int GetRepeatedSint32(int index) {
+      return repeatedSint32_[index];
+    }
+    
+    private pbc::PopsicleList<long> repeatedSint64_ = new pbc::PopsicleList<long>();
+    public scg::IList<long> RepeatedSint64List {
+      get { return pbc::Lists.AsReadOnly(repeatedSint64_); }
+    }
+    public int RepeatedSint64Count {
+      get { return repeatedSint64_.Count; }
+    }
+    public long GetRepeatedSint64(int index) {
+      return repeatedSint64_[index];
+    }
+    
+    private pbc::PopsicleList<uint> repeatedFixed32_ = new pbc::PopsicleList<uint>();
+    public scg::IList<uint> RepeatedFixed32List {
+      get { return pbc::Lists.AsReadOnly(repeatedFixed32_); }
+    }
+    public int RepeatedFixed32Count {
+      get { return repeatedFixed32_.Count; }
+    }
+    public uint GetRepeatedFixed32(int index) {
+      return repeatedFixed32_[index];
+    }
+    
+    private pbc::PopsicleList<ulong> repeatedFixed64_ = new pbc::PopsicleList<ulong>();
+    public scg::IList<ulong> RepeatedFixed64List {
+      get { return pbc::Lists.AsReadOnly(repeatedFixed64_); }
+    }
+    public int RepeatedFixed64Count {
+      get { return repeatedFixed64_.Count; }
+    }
+    public ulong GetRepeatedFixed64(int index) {
+      return repeatedFixed64_[index];
+    }
+    
+    private pbc::PopsicleList<int> repeatedSfixed32_ = new pbc::PopsicleList<int>();
+    public scg::IList<int> RepeatedSfixed32List {
+      get { return pbc::Lists.AsReadOnly(repeatedSfixed32_); }
+    }
+    public int RepeatedSfixed32Count {
+      get { return repeatedSfixed32_.Count; }
+    }
+    public int GetRepeatedSfixed32(int index) {
+      return repeatedSfixed32_[index];
+    }
+    
+    private pbc::PopsicleList<long> repeatedSfixed64_ = new pbc::PopsicleList<long>();
+    public scg::IList<long> RepeatedSfixed64List {
+      get { return pbc::Lists.AsReadOnly(repeatedSfixed64_); }
+    }
+    public int RepeatedSfixed64Count {
+      get { return repeatedSfixed64_.Count; }
+    }
+    public long GetRepeatedSfixed64(int index) {
+      return repeatedSfixed64_[index];
+    }
+    
+    private pbc::PopsicleList<float> repeatedFloat_ = new pbc::PopsicleList<float>();
+    public scg::IList<float> RepeatedFloatList {
+      get { return pbc::Lists.AsReadOnly(repeatedFloat_); }
+    }
+    public int RepeatedFloatCount {
+      get { return repeatedFloat_.Count; }
+    }
+    public float GetRepeatedFloat(int index) {
+      return repeatedFloat_[index];
+    }
+    
+    private pbc::PopsicleList<double> repeatedDouble_ = new pbc::PopsicleList<double>();
+    public scg::IList<double> RepeatedDoubleList {
+      get { return pbc::Lists.AsReadOnly(repeatedDouble_); }
+    }
+    public int RepeatedDoubleCount {
+      get { return repeatedDouble_.Count; }
+    }
+    public double GetRepeatedDouble(int index) {
+      return repeatedDouble_[index];
+    }
+    
+    private pbc::PopsicleList<bool> repeatedBool_ = new pbc::PopsicleList<bool>();
+    public scg::IList<bool> RepeatedBoolList {
+      get { return pbc::Lists.AsReadOnly(repeatedBool_); }
+    }
+    public int RepeatedBoolCount {
+      get { return repeatedBool_.Count; }
+    }
+    public bool GetRepeatedBool(int index) {
+      return repeatedBool_[index];
+    }
+    
+    private pbc::PopsicleList<string> repeatedString_ = new pbc::PopsicleList<string>();
+    public scg::IList<string> RepeatedStringList {
+      get { return pbc::Lists.AsReadOnly(repeatedString_); }
+    }
+    public int RepeatedStringCount {
+      get { return repeatedString_.Count; }
+    }
+    public string GetRepeatedString(int index) {
+      return repeatedString_[index];
+    }
+    
+    private pbc::PopsicleList<pb::ByteString> repeatedBytes_ = new pbc::PopsicleList<pb::ByteString>();
+    public scg::IList<pb::ByteString> RepeatedBytesList {
+      get { return pbc::Lists.AsReadOnly(repeatedBytes_); }
+    }
+    public int RepeatedBytesCount {
+      get { return repeatedBytes_.Count; }
+    }
+    public pb::ByteString GetRepeatedBytes(int index) {
+      return repeatedBytes_[index];
+    }
+    
+    private pbc::PopsicleList<global::Google.ProtocolBuffers.TestProtos.TestAllTypes.Types.RepeatedGroup> repeatedGroup_ = new pbc::PopsicleList<global::Google.ProtocolBuffers.TestProtos.TestAllTypes.Types.RepeatedGroup>();
+    public scg::IList<global::Google.ProtocolBuffers.TestProtos.TestAllTypes.Types.RepeatedGroup> RepeatedGroupList {
+      get { return repeatedGroup_; }
+    }
+    public int RepeatedGroupCount {
+      get { return repeatedGroup_.Count; }
+    }
+    public global::Google.ProtocolBuffers.TestProtos.TestAllTypes.Types.RepeatedGroup GetRepeatedGroup(int index) {
+      return repeatedGroup_[index];
+    }
+    
+    private pbc::PopsicleList<global::Google.ProtocolBuffers.TestProtos.TestAllTypes.Types.NestedMessage> repeatedNestedMessage_ = new pbc::PopsicleList<global::Google.ProtocolBuffers.TestProtos.TestAllTypes.Types.NestedMessage>();
+    public scg::IList<global::Google.ProtocolBuffers.TestProtos.TestAllTypes.Types.NestedMessage> RepeatedNestedMessageList {
+      get { return repeatedNestedMessage_; }
+    }
+    public int RepeatedNestedMessageCount {
+      get { return repeatedNestedMessage_.Count; }
+    }
+    public global::Google.ProtocolBuffers.TestProtos.TestAllTypes.Types.NestedMessage GetRepeatedNestedMessage(int index) {
+      return repeatedNestedMessage_[index];
+    }
+    
+    private pbc::PopsicleList<global::Google.ProtocolBuffers.TestProtos.ForeignMessage> repeatedForeignMessage_ = new pbc::PopsicleList<global::Google.ProtocolBuffers.TestProtos.ForeignMessage>();
+    public scg::IList<global::Google.ProtocolBuffers.TestProtos.ForeignMessage> RepeatedForeignMessageList {
+      get { return repeatedForeignMessage_; }
+    }
+    public int RepeatedForeignMessageCount {
+      get { return repeatedForeignMessage_.Count; }
+    }
+    public global::Google.ProtocolBuffers.TestProtos.ForeignMessage GetRepeatedForeignMessage(int index) {
+      return repeatedForeignMessage_[index];
+    }
+    
+    private pbc::PopsicleList<global::Google.ProtocolBuffers.TestProtos.ImportMessage> repeatedImportMessage_ = new pbc::PopsicleList<global::Google.ProtocolBuffers.TestProtos.ImportMessage>();
+    public scg::IList<global::Google.ProtocolBuffers.TestProtos.ImportMessage> RepeatedImportMessageList {
+      get { return repeatedImportMessage_; }
+    }
+    public int RepeatedImportMessageCount {
+      get { return repeatedImportMessage_.Count; }
+    }
+    public global::Google.ProtocolBuffers.TestProtos.ImportMessage GetRepeatedImportMessage(int index) {
+      return repeatedImportMessage_[index];
+    }
+    
+    private pbc::PopsicleList<global::Google.ProtocolBuffers.TestProtos.TestAllTypes.Types.NestedEnum> repeatedNestedEnum_ = new pbc::PopsicleList<global::Google.ProtocolBuffers.TestProtos.TestAllTypes.Types.NestedEnum>();
+    public scg::IList<global::Google.ProtocolBuffers.TestProtos.TestAllTypes.Types.NestedEnum> RepeatedNestedEnumList {
+      get { return pbc::Lists.AsReadOnly(repeatedNestedEnum_); }
+    }
+    public int RepeatedNestedEnumCount {
+      get { return repeatedNestedEnum_.Count; }
+    }
+    public global::Google.ProtocolBuffers.TestProtos.TestAllTypes.Types.NestedEnum GetRepeatedNestedEnum(int index) {
+      return repeatedNestedEnum_[index];
+    }
+    
+    private pbc::PopsicleList<global::Google.ProtocolBuffers.TestProtos.ForeignEnum> repeatedForeignEnum_ = new pbc::PopsicleList<global::Google.ProtocolBuffers.TestProtos.ForeignEnum>();
+    public scg::IList<global::Google.ProtocolBuffers.TestProtos.ForeignEnum> RepeatedForeignEnumList {
+      get { return pbc::Lists.AsReadOnly(repeatedForeignEnum_); }
+    }
+    public int RepeatedForeignEnumCount {
+      get { return repeatedForeignEnum_.Count; }
+    }
+    public global::Google.ProtocolBuffers.TestProtos.ForeignEnum GetRepeatedForeignEnum(int index) {
+      return repeatedForeignEnum_[index];
+    }
+    
+    private pbc::PopsicleList<global::Google.ProtocolBuffers.TestProtos.ImportEnum> repeatedImportEnum_ = new pbc::PopsicleList<global::Google.ProtocolBuffers.TestProtos.ImportEnum>();
+    public scg::IList<global::Google.ProtocolBuffers.TestProtos.ImportEnum> RepeatedImportEnumList {
+      get { return pbc::Lists.AsReadOnly(repeatedImportEnum_); }
+    }
+    public int RepeatedImportEnumCount {
+      get { return repeatedImportEnum_.Count; }
+    }
+    public global::Google.ProtocolBuffers.TestProtos.ImportEnum GetRepeatedImportEnum(int index) {
+      return repeatedImportEnum_[index];
+    }
+    
+    private pbc::PopsicleList<string> repeatedStringPiece_ = new pbc::PopsicleList<string>();
+    public scg::IList<string> RepeatedStringPieceList {
+      get { return pbc::Lists.AsReadOnly(repeatedStringPiece_); }
+    }
+    public int RepeatedStringPieceCount {
+      get { return repeatedStringPiece_.Count; }
+    }
+    public string GetRepeatedStringPiece(int index) {
+      return repeatedStringPiece_[index];
+    }
+    
+    private pbc::PopsicleList<string> repeatedCord_ = new pbc::PopsicleList<string>();
+    public scg::IList<string> RepeatedCordList {
+      get { return pbc::Lists.AsReadOnly(repeatedCord_); }
+    }
+    public int RepeatedCordCount {
+      get { return repeatedCord_.Count; }
+    }
+    public string GetRepeatedCord(int index) {
+      return repeatedCord_[index];
+    }
+    
+    private bool hasDefaultInt32;
+    private int defaultInt32_ = 41;
+    public bool HasDefaultInt32 {
+      get { return hasDefaultInt32; }
+    }
+    public int DefaultInt32 {
+      get { return defaultInt32_; }
+    }
+    
+    private bool hasDefaultInt64;
+    private long defaultInt64_ = 42L;
+    public bool HasDefaultInt64 {
+      get { return hasDefaultInt64; }
+    }
+    public long DefaultInt64 {
+      get { return defaultInt64_; }
+    }
+    
+    private bool hasDefaultUint32;
+    private uint defaultUint32_ = 43;
+    public bool HasDefaultUint32 {
+      get { return hasDefaultUint32; }
+    }
+    public uint DefaultUint32 {
+      get { return defaultUint32_; }
+    }
+    
+    private bool hasDefaultUint64;
+    private ulong defaultUint64_ = 44UL;
+    public bool HasDefaultUint64 {
+      get { return hasDefaultUint64; }
+    }
+    public ulong DefaultUint64 {
+      get { return defaultUint64_; }
+    }
+    
+    private bool hasDefaultSint32;
+    private int defaultSint32_ = -45;
+    public bool HasDefaultSint32 {
+      get { return hasDefaultSint32; }
+    }
+    public int DefaultSint32 {
+      get { return defaultSint32_; }
+    }
+    
+    private bool hasDefaultSint64;
+    private long defaultSint64_ = 46;
+    public bool HasDefaultSint64 {
+      get { return hasDefaultSint64; }
+    }
+    public long DefaultSint64 {
+      get { return defaultSint64_; }
+    }
+    
+    private bool hasDefaultFixed32;
+    private uint defaultFixed32_ = 47;
+    public bool HasDefaultFixed32 {
+      get { return hasDefaultFixed32; }
+    }
+    public uint DefaultFixed32 {
+      get { return defaultFixed32_; }
+    }
+    
+    private bool hasDefaultFixed64;
+    private ulong defaultFixed64_ = 48;
+    public bool HasDefaultFixed64 {
+      get { return hasDefaultFixed64; }
+    }
+    public ulong DefaultFixed64 {
+      get { return defaultFixed64_; }
+    }
+    
+    private bool hasDefaultSfixed32;
+    private int defaultSfixed32_ = 49;
+    public bool HasDefaultSfixed32 {
+      get { return hasDefaultSfixed32; }
+    }
+    public int DefaultSfixed32 {
+      get { return defaultSfixed32_; }
+    }
+    
+    private bool hasDefaultSfixed64;
+    private long defaultSfixed64_ = -50;
+    public bool HasDefaultSfixed64 {
+      get { return hasDefaultSfixed64; }
+    }
+    public long DefaultSfixed64 {
+      get { return defaultSfixed64_; }
+    }
+    
+    private bool hasDefaultFloat;
+    private float defaultFloat_ = 51.5F;
+    public bool HasDefaultFloat {
+      get { return hasDefaultFloat; }
+    }
+    public float DefaultFloat {
+      get { return defaultFloat_; }
+    }
+    
+    private bool hasDefaultDouble;
+    private double defaultDouble_ = 52000D;
+    public bool HasDefaultDouble {
+      get { return hasDefaultDouble; }
+    }
+    public double DefaultDouble {
+      get { return defaultDouble_; }
+    }
+    
+    private bool hasDefaultBool;
+    private bool defaultBool_ = true;
+    public bool HasDefaultBool {
+      get { return hasDefaultBool; }
+    }
+    public bool DefaultBool {
+      get { return defaultBool_; }
+    }
+    
+    private bool hasDefaultString;
+    private string defaultString_ = "hello";
+    public bool HasDefaultString {
+      get { return hasDefaultString; }
+    }
+    public string DefaultString {
+      get { return defaultString_; }
+    }
+    
+    private bool hasDefaultBytes;
+    private pb::ByteString defaultBytes_ = (pb::ByteString) global::Google.ProtocolBuffers.TestProtos.TestAllTypes.Descriptor.Fields[62].DefaultValue;
+    public bool HasDefaultBytes {
+      get { return hasDefaultBytes; }
+    }
+    public pb::ByteString DefaultBytes {
+      get { return defaultBytes_; }
+    }
+    
+    private bool hasDefaultNestedEnum;
+    private global::Google.ProtocolBuffers.TestProtos.TestAllTypes.Types.NestedEnum defaultNestedEnum_ = global::Google.ProtocolBuffers.TestProtos.TestAllTypes.Types.NestedEnum.BAR;
+    public bool HasDefaultNestedEnum {
+      get { return hasDefaultNestedEnum; }
+    }
+    public global::Google.ProtocolBuffers.TestProtos.TestAllTypes.Types.NestedEnum DefaultNestedEnum {
+      get { return defaultNestedEnum_; }
+    }
+    
+    private bool hasDefaultForeignEnum;
+    private global::Google.ProtocolBuffers.TestProtos.ForeignEnum defaultForeignEnum_ = global::Google.ProtocolBuffers.TestProtos.ForeignEnum.FOREIGN_BAR;
+    public bool HasDefaultForeignEnum {
+      get { return hasDefaultForeignEnum; }
+    }
+    public global::Google.ProtocolBuffers.TestProtos.ForeignEnum DefaultForeignEnum {
+      get { return defaultForeignEnum_; }
+    }
+    
+    private bool hasDefaultImportEnum;
+    private global::Google.ProtocolBuffers.TestProtos.ImportEnum defaultImportEnum_ = global::Google.ProtocolBuffers.TestProtos.ImportEnum.IMPORT_BAR;
+    public bool HasDefaultImportEnum {
+      get { return hasDefaultImportEnum; }
+    }
+    public global::Google.ProtocolBuffers.TestProtos.ImportEnum DefaultImportEnum {
+      get { return defaultImportEnum_; }
+    }
+    
+    private bool hasDefaultStringPiece;
+    private string defaultStringPiece_ = "abc";
+    public bool HasDefaultStringPiece {
+      get { return hasDefaultStringPiece; }
+    }
+    public string DefaultStringPiece {
+      get { return defaultStringPiece_; }
+    }
+    
+    private bool hasDefaultCord;
+    private string defaultCord_ = "123";
+    public bool HasDefaultCord {
+      get { return hasDefaultCord; }
+    }
+    public string DefaultCord {
+      get { return defaultCord_; }
+    }
+    
+    public override bool IsInitialized {
+      get {
+        return true;
+      }
+    }
+    
+    public override void WriteTo(pb::CodedOutputStream output) {
+      if (HasOptionalInt32) {
+        output.WriteInt32(1, OptionalInt32);
+      }
+      if (HasOptionalInt64) {
+        output.WriteInt64(2, OptionalInt64);
+      }
+      if (HasOptionalUint32) {
+        output.WriteUInt32(3, OptionalUint32);
+      }
+      if (HasOptionalUint64) {
+        output.WriteUInt64(4, OptionalUint64);
+      }
+      if (HasOptionalSint32) {
+        output.WriteSInt32(5, OptionalSint32);
+      }
+      if (HasOptionalSint64) {
+        output.WriteSInt64(6, OptionalSint64);
+      }
+      if (HasOptionalFixed32) {
+        output.WriteFixed32(7, OptionalFixed32);
+      }
+      if (HasOptionalFixed64) {
+        output.WriteFixed64(8, OptionalFixed64);
+      }
+      if (HasOptionalSfixed32) {
+        output.WriteSFixed32(9, OptionalSfixed32);
+      }
+      if (HasOptionalSfixed64) {
+        output.WriteSFixed64(10, OptionalSfixed64);
+      }
+      if (HasOptionalFloat) {
+        output.WriteFloat(11, OptionalFloat);
+      }
+      if (HasOptionalDouble) {
+        output.WriteDouble(12, OptionalDouble);
+      }
+      if (HasOptionalBool) {
+        output.WriteBool(13, OptionalBool);
+      }
+      if (HasOptionalString) {
+        output.WriteString(14, OptionalString);
+      }
+      if (HasOptionalBytes) {
+        output.WriteBytes(15, OptionalBytes);
+      }
+      if (HasOptionalGroup) {
+        output.WriteGroup(16, OptionalGroup);
+      }
+      if (HasOptionalNestedMessage) {
+        output.WriteMessage(18, OptionalNestedMessage);
+      }
+      if (HasOptionalForeignMessage) {
+        output.WriteMessage(19, OptionalForeignMessage);
+      }
+      if (HasOptionalImportMessage) {
+        output.WriteMessage(20, OptionalImportMessage);
+      }
+      if (HasOptionalNestedEnum) {
+        output.WriteEnum(21, (int) OptionalNestedEnum);
+      }
+      if (HasOptionalForeignEnum) {
+        output.WriteEnum(22, (int) OptionalForeignEnum);
+      }
+      if (HasOptionalImportEnum) {
+        output.WriteEnum(23, (int) OptionalImportEnum);
+      }
+      if (HasOptionalStringPiece) {
+        output.WriteString(24, OptionalStringPiece);
+      }
+      if (HasOptionalCord) {
+        output.WriteString(25, OptionalCord);
+      }
+      foreach (int element in RepeatedInt32List) {
+        output.WriteInt32(31, element);
+      }
+      foreach (long element in RepeatedInt64List) {
+        output.WriteInt64(32, element);
+      }
+      foreach (uint element in RepeatedUint32List) {
+        output.WriteUInt32(33, element);
+      }
+      foreach (ulong element in RepeatedUint64List) {
+        output.WriteUInt64(34, element);
+      }
+      foreach (int element in RepeatedSint32List) {
+        output.WriteSInt32(35, element);
+      }
+      foreach (long element in RepeatedSint64List) {
+        output.WriteSInt64(36, element);
+      }
+      foreach (uint element in RepeatedFixed32List) {
+        output.WriteFixed32(37, element);
+      }
+      foreach (ulong element in RepeatedFixed64List) {
+        output.WriteFixed64(38, element);
+      }
+      foreach (int element in RepeatedSfixed32List) {
+        output.WriteSFixed32(39, element);
+      }
+      foreach (long element in RepeatedSfixed64List) {
+        output.WriteSFixed64(40, element);
+      }
+      foreach (float element in RepeatedFloatList) {
+        output.WriteFloat(41, element);
+      }
+      foreach (double element in RepeatedDoubleList) {
+        output.WriteDouble(42, element);
+      }
+      foreach (bool element in RepeatedBoolList) {
+        output.WriteBool(43, element);
+      }
+      foreach (string element in RepeatedStringList) {
+        output.WriteString(44, element);
+      }
+      foreach (pb::ByteString element in RepeatedBytesList) {
+        output.WriteBytes(45, element);
+      }
+      foreach (global::Google.ProtocolBuffers.TestProtos.TestAllTypes.Types.RepeatedGroup element in RepeatedGroupList) {
+        output.WriteGroup(46, element);
+      }
+      foreach (global::Google.ProtocolBuffers.TestProtos.TestAllTypes.Types.NestedMessage element in RepeatedNestedMessageList) {
+        output.WriteMessage(48, element);
+      }
+      foreach (global::Google.ProtocolBuffers.TestProtos.ForeignMessage element in RepeatedForeignMessageList) {
+        output.WriteMessage(49, element);
+      }
+      foreach (global::Google.ProtocolBuffers.TestProtos.ImportMessage element in RepeatedImportMessageList) {
+        output.WriteMessage(50, element);
+      }
+      foreach (global::Google.ProtocolBuffers.TestProtos.TestAllTypes.Types.NestedEnum element in RepeatedNestedEnumList) {
+        output.WriteEnum(51, (int) element);
+      }
+      foreach (global::Google.ProtocolBuffers.TestProtos.ForeignEnum element in RepeatedForeignEnumList) {
+        output.WriteEnum(52, (int) element);
+      }
+      foreach (global::Google.ProtocolBuffers.TestProtos.ImportEnum element in RepeatedImportEnumList) {
+        output.WriteEnum(53, (int) element);
+      }
+      foreach (string element in RepeatedStringPieceList) {
+        output.WriteString(54, element);
+      }
+      foreach (string element in RepeatedCordList) {
+        output.WriteString(55, element);
+      }
+      if (HasDefaultInt32) {
+        output.WriteInt32(61, DefaultInt32);
+      }
+      if (HasDefaultInt64) {
+        output.WriteInt64(62, DefaultInt64);
+      }
+      if (HasDefaultUint32) {
+        output.WriteUInt32(63, DefaultUint32);
+      }
+      if (HasDefaultUint64) {
+        output.WriteUInt64(64, DefaultUint64);
+      }
+      if (HasDefaultSint32) {
+        output.WriteSInt32(65, DefaultSint32);
+      }
+      if (HasDefaultSint64) {
+        output.WriteSInt64(66, DefaultSint64);
+      }
+      if (HasDefaultFixed32) {
+        output.WriteFixed32(67, DefaultFixed32);
+      }
+      if (HasDefaultFixed64) {
+        output.WriteFixed64(68, DefaultFixed64);
+      }
+      if (HasDefaultSfixed32) {
+        output.WriteSFixed32(69, DefaultSfixed32);
+      }
+      if (HasDefaultSfixed64) {
+        output.WriteSFixed64(70, DefaultSfixed64);
+      }
+      if (HasDefaultFloat) {
+        output.WriteFloat(71, DefaultFloat);
+      }
+      if (HasDefaultDouble) {
+        output.WriteDouble(72, DefaultDouble);
+      }
+      if (HasDefaultBool) {
+        output.WriteBool(73, DefaultBool);
+      }
+      if (HasDefaultString) {
+        output.WriteString(74, DefaultString);
+      }
+      if (HasDefaultBytes) {
+        output.WriteBytes(75, DefaultBytes);
+      }
+      if (HasDefaultNestedEnum) {
+        output.WriteEnum(81, (int) DefaultNestedEnum);
+      }
+      if (HasDefaultForeignEnum) {
+        output.WriteEnum(82, (int) DefaultForeignEnum);
+      }
+      if (HasDefaultImportEnum) {
+        output.WriteEnum(83, (int) DefaultImportEnum);
+      }
+      if (HasDefaultStringPiece) {
+        output.WriteString(84, DefaultStringPiece);
+      }
+      if (HasDefaultCord) {
+        output.WriteString(85, DefaultCord);
+      }
+      UnknownFields.WriteTo(output);
+    }
+    
+    private int memoizedSerializedSize = -1;
+    public override int SerializedSize {
+      get {
+        int size = memoizedSerializedSize;
+        if (size != -1) return size;
+        
+        size = 0;
+        if (HasOptionalInt32) {
+          size += pb::CodedOutputStream.ComputeInt32Size(1, OptionalInt32);
+        }
+        if (HasOptionalInt64) {
+          size += pb::CodedOutputStream.ComputeInt64Size(2, OptionalInt64);
+        }
+        if (HasOptionalUint32) {
+          size += pb::CodedOutputStream.ComputeUInt32Size(3, OptionalUint32);
+        }
+        if (HasOptionalUint64) {
+          size += pb::CodedOutputStream.ComputeUInt64Size(4, OptionalUint64);
+        }
+        if (HasOptionalSint32) {
+          size += pb::CodedOutputStream.ComputeSInt32Size(5, OptionalSint32);
+        }
+        if (HasOptionalSint64) {
+          size += pb::CodedOutputStream.ComputeSInt64Size(6, OptionalSint64);
+        }
+        if (HasOptionalFixed32) {
+          size += pb::CodedOutputStream.ComputeFixed32Size(7, OptionalFixed32);
+        }
+        if (HasOptionalFixed64) {
+          size += pb::CodedOutputStream.ComputeFixed64Size(8, OptionalFixed64);
+        }
+        if (HasOptionalSfixed32) {
+          size += pb::CodedOutputStream.ComputeSFixed32Size(9, OptionalSfixed32);
+        }
+        if (HasOptionalSfixed64) {
+          size += pb::CodedOutputStream.ComputeSFixed64Size(10, OptionalSfixed64);
+        }
+        if (HasOptionalFloat) {
+          size += pb::CodedOutputStream.ComputeFloatSize(11, OptionalFloat);
+        }
+        if (HasOptionalDouble) {
+          size += pb::CodedOutputStream.ComputeDoubleSize(12, OptionalDouble);
+        }
+        if (HasOptionalBool) {
+          size += pb::CodedOutputStream.ComputeBoolSize(13, OptionalBool);
+        }
+        if (HasOptionalString) {
+          size += pb::CodedOutputStream.ComputeStringSize(14, OptionalString);
+        }
+        if (HasOptionalBytes) {
+          size += pb::CodedOutputStream.ComputeBytesSize(15, OptionalBytes);
+        }
+        if (HasOptionalGroup) {
+          size += pb::CodedOutputStream.ComputeGroupSize(16, OptionalGroup);
+        }
+        if (HasOptionalNestedMessage) {
+          size += pb::CodedOutputStream.ComputeMessageSize(18, OptionalNestedMessage);
+        }
+        if (HasOptionalForeignMessage) {
+          size += pb::CodedOutputStream.ComputeMessageSize(19, OptionalForeignMessage);
+        }
+        if (HasOptionalImportMessage) {
+          size += pb::CodedOutputStream.ComputeMessageSize(20, OptionalImportMessage);
+        }
+        if (HasOptionalNestedEnum) {
+          size += pb::CodedOutputStream.ComputeEnumSize(21, (int) OptionalNestedEnum);
+        }
+        if (HasOptionalForeignEnum) {
+          size += pb::CodedOutputStream.ComputeEnumSize(22, (int) OptionalForeignEnum);
+        }
+        if (HasOptionalImportEnum) {
+          size += pb::CodedOutputStream.ComputeEnumSize(23, (int) OptionalImportEnum);
+        }
+        if (HasOptionalStringPiece) {
+          size += pb::CodedOutputStream.ComputeStringSize(24, OptionalStringPiece);
+        }
+        if (HasOptionalCord) {
+          size += pb::CodedOutputStream.ComputeStringSize(25, OptionalCord);
+        }
+        foreach (int element in RepeatedInt32List) {
+          size += pb::CodedOutputStream.ComputeInt32Size(31, element);
+        }
+        foreach (long element in RepeatedInt64List) {
+          size += pb::CodedOutputStream.ComputeInt64Size(32, element);
+        }
+        foreach (uint element in RepeatedUint32List) {
+          size += pb::CodedOutputStream.ComputeUInt32Size(33, element);
+        }
+        foreach (ulong element in RepeatedUint64List) {
+          size += pb::CodedOutputStream.ComputeUInt64Size(34, element);
+        }
+        foreach (int element in RepeatedSint32List) {
+          size += pb::CodedOutputStream.ComputeSInt32Size(35, element);
+        }
+        foreach (long element in RepeatedSint64List) {
+          size += pb::CodedOutputStream.ComputeSInt64Size(36, element);
+        }
+        foreach (uint element in RepeatedFixed32List) {
+          size += pb::CodedOutputStream.ComputeFixed32Size(37, element);
+        }
+        foreach (ulong element in RepeatedFixed64List) {
+          size += pb::CodedOutputStream.ComputeFixed64Size(38, element);
+        }
+        foreach (int element in RepeatedSfixed32List) {
+          size += pb::CodedOutputStream.ComputeSFixed32Size(39, element);
+        }
+        foreach (long element in RepeatedSfixed64List) {
+          size += pb::CodedOutputStream.ComputeSFixed64Size(40, element);
+        }
+        foreach (float element in RepeatedFloatList) {
+          size += pb::CodedOutputStream.ComputeFloatSize(41, element);
+        }
+        foreach (double element in RepeatedDoubleList) {
+          size += pb::CodedOutputStream.ComputeDoubleSize(42, element);
+        }
+        foreach (bool element in RepeatedBoolList) {
+          size += pb::CodedOutputStream.ComputeBoolSize(43, element);
+        }
+        foreach (string element in RepeatedStringList) {
+          size += pb::CodedOutputStream.ComputeStringSize(44, element);
+        }
+        foreach (pb::ByteString element in RepeatedBytesList) {
+          size += pb::CodedOutputStream.ComputeBytesSize(45, element);
+        }
+        foreach (global::Google.ProtocolBuffers.TestProtos.TestAllTypes.Types.RepeatedGroup element in RepeatedGroupList) {
+          size += pb::CodedOutputStream.ComputeGroupSize(46, element);
+        }
+        foreach (global::Google.ProtocolBuffers.TestProtos.TestAllTypes.Types.NestedMessage element in RepeatedNestedMessageList) {
+          size += pb::CodedOutputStream.ComputeMessageSize(48, element);
+        }
+        foreach (global::Google.ProtocolBuffers.TestProtos.ForeignMessage element in RepeatedForeignMessageList) {
+          size += pb::CodedOutputStream.ComputeMessageSize(49, element);
+        }
+        foreach (global::Google.ProtocolBuffers.TestProtos.ImportMessage element in RepeatedImportMessageList) {
+          size += pb::CodedOutputStream.ComputeMessageSize(50, element);
+        }
+        foreach (global::Google.ProtocolBuffers.TestProtos.TestAllTypes.Types.NestedEnum element in RepeatedNestedEnumList) {
+          size += pb::CodedOutputStream.ComputeEnumSize(51, (int) element);
+        }
+        foreach (global::Google.ProtocolBuffers.TestProtos.ForeignEnum element in RepeatedForeignEnumList) {
+          size += pb::CodedOutputStream.ComputeEnumSize(52, (int) element);
+        }
+        foreach (global::Google.ProtocolBuffers.TestProtos.ImportEnum element in RepeatedImportEnumList) {
+          size += pb::CodedOutputStream.ComputeEnumSize(53, (int) element);
+        }
+        foreach (string element in RepeatedStringPieceList) {
+          size += pb::CodedOutputStream.ComputeStringSize(54, element);
+        }
+        foreach (string element in RepeatedCordList) {
+          size += pb::CodedOutputStream.ComputeStringSize(55, element);
+        }
+        if (HasDefaultInt32) {
+          size += pb::CodedOutputStream.ComputeInt32Size(61, DefaultInt32);
+        }
+        if (HasDefaultInt64) {
+          size += pb::CodedOutputStream.ComputeInt64Size(62, DefaultInt64);
+        }
+        if (HasDefaultUint32) {
+          size += pb::CodedOutputStream.ComputeUInt32Size(63, DefaultUint32);
+        }
+        if (HasDefaultUint64) {
+          size += pb::CodedOutputStream.ComputeUInt64Size(64, DefaultUint64);
+        }
+        if (HasDefaultSint32) {
+          size += pb::CodedOutputStream.ComputeSInt32Size(65, DefaultSint32);
+        }
+        if (HasDefaultSint64) {
+          size += pb::CodedOutputStream.ComputeSInt64Size(66, DefaultSint64);
+        }
+        if (HasDefaultFixed32) {
+          size += pb::CodedOutputStream.ComputeFixed32Size(67, DefaultFixed32);
+        }
+        if (HasDefaultFixed64) {
+          size += pb::CodedOutputStream.ComputeFixed64Size(68, DefaultFixed64);
+        }
+        if (HasDefaultSfixed32) {
+          size += pb::CodedOutputStream.ComputeSFixed32Size(69, DefaultSfixed32);
+        }
+        if (HasDefaultSfixed64) {
+          size += pb::CodedOutputStream.ComputeSFixed64Size(70, DefaultSfixed64);
+        }
+        if (HasDefaultFloat) {
+          size += pb::CodedOutputStream.ComputeFloatSize(71, DefaultFloat);
+        }
+        if (HasDefaultDouble) {
+          size += pb::CodedOutputStream.ComputeDoubleSize(72, DefaultDouble);
+        }
+        if (HasDefaultBool) {
+          size += pb::CodedOutputStream.ComputeBoolSize(73, DefaultBool);
+        }
+        if (HasDefaultString) {
+          size += pb::CodedOutputStream.ComputeStringSize(74, DefaultString);
+        }
+        if (HasDefaultBytes) {
+          size += pb::CodedOutputStream.ComputeBytesSize(75, DefaultBytes);
+        }
+        if (HasDefaultNestedEnum) {
+          size += pb::CodedOutputStream.ComputeEnumSize(81, (int) DefaultNestedEnum);
+        }
+        if (HasDefaultForeignEnum) {
+          size += pb::CodedOutputStream.ComputeEnumSize(82, (int) DefaultForeignEnum);
+        }
+        if (HasDefaultImportEnum) {
+          size += pb::CodedOutputStream.ComputeEnumSize(83, (int) DefaultImportEnum);
+        }
+        if (HasDefaultStringPiece) {
+          size += pb::CodedOutputStream.ComputeStringSize(84, DefaultStringPiece);
+        }
+        if (HasDefaultCord) {
+          size += pb::CodedOutputStream.ComputeStringSize(85, DefaultCord);
+        }
+        size += UnknownFields.SerializedSize;
+        memoizedSerializedSize = size;
+        return size;
+      }
+    }
+    
+    public static TestAllTypes ParseFrom(pb::ByteString data) {
+      return ((Builder) CreateBuilder().MergeFrom(data)).BuildParsed();
+    }
+    public static TestAllTypes ParseFrom(pb::ByteString data, pb::ExtensionRegistry extensionRegistry) {
+      return ((Builder) CreateBuilder().MergeFrom(data, extensionRegistry)).BuildParsed();
+    }
+    public static TestAllTypes ParseFrom(byte[] data) {
+      return ((Builder) CreateBuilder().MergeFrom(data)).BuildParsed();
+    }
+    public static TestAllTypes ParseFrom(byte[] data, pb::ExtensionRegistry extensionRegistry) {
+      return ((Builder) CreateBuilder().MergeFrom(data, extensionRegistry)).BuildParsed();
+    }
+    public static TestAllTypes ParseFrom(global::System.IO.Stream input) {
+      return ((Builder) CreateBuilder().MergeFrom(input)).BuildParsed();
+    }
+    public static TestAllTypes ParseFrom(global::System.IO.Stream input, pb::ExtensionRegistry extensionRegistry) {
+      return ((Builder) CreateBuilder().MergeFrom(input, extensionRegistry)).BuildParsed();
+    }
+    public static TestAllTypes ParseFrom(pb::CodedInputStream input) {
+      return ((Builder) CreateBuilder().MergeFrom(input)).BuildParsed();
+    }
+    public static TestAllTypes ParseFrom(pb::CodedInputStream input, pb::ExtensionRegistry extensionRegistry) {
+      return ((Builder) CreateBuilder().MergeFrom(input, extensionRegistry)).BuildParsed();
+    }
+    public static Builder CreateBuilder() { return new Builder(); }
+    public override Builder CreateBuilderForType() { return new Builder(); }
+    public static Builder CreateBuilder(TestAllTypes prototype) {
+      return (Builder) new Builder().MergeFrom(prototype);
+    }
+    
+    public sealed partial class Builder : pb::GeneratedBuilder<TestAllTypes, Builder> {
+      protected override Builder ThisBuilder {
+        get { return this; }
+      }
+      public Builder() {}
+      
+      TestAllTypes result = new TestAllTypes();
+      
+      protected override TestAllTypes MessageBeingBuilt {
+        get { return result; }
+      }
+      
+      public override Builder Clear() {
+        result = new TestAllTypes();
+        return this;
+      }
+      
+      public override Builder Clone() {
+        return new Builder().MergeFrom(result);
+      }
+      
+      public override pbd::MessageDescriptor DescriptorForType {
+        get { return TestAllTypes.Descriptor; }
+      }
+      
+      public override TestAllTypes DefaultInstanceForType {
+        get { return TestAllTypes.DefaultInstance; }
+      }
+      
+      public override TestAllTypes BuildPartial() {
+        result.repeatedInt32_.MakeReadOnly();
+        result.repeatedInt64_.MakeReadOnly();
+        result.repeatedUint32_.MakeReadOnly();
+        result.repeatedUint64_.MakeReadOnly();
+        result.repeatedSint32_.MakeReadOnly();
+        result.repeatedSint64_.MakeReadOnly();
+        result.repeatedFixed32_.MakeReadOnly();
+        result.repeatedFixed64_.MakeReadOnly();
+        result.repeatedSfixed32_.MakeReadOnly();
+        result.repeatedSfixed64_.MakeReadOnly();
+        result.repeatedFloat_.MakeReadOnly();
+        result.repeatedDouble_.MakeReadOnly();
+        result.repeatedBool_.MakeReadOnly();
+        result.repeatedString_.MakeReadOnly();
+        result.repeatedBytes_.MakeReadOnly();
+        result.repeatedGroup_.MakeReadOnly();
+        result.repeatedNestedMessage_.MakeReadOnly();
+        result.repeatedForeignMessage_.MakeReadOnly();
+        result.repeatedImportMessage_.MakeReadOnly();
+        result.repeatedNestedEnum_.MakeReadOnly();
+        result.repeatedForeignEnum_.MakeReadOnly();
+        result.repeatedImportEnum_.MakeReadOnly();
+        result.repeatedStringPiece_.MakeReadOnly();
+        result.repeatedCord_.MakeReadOnly();
+        TestAllTypes returnMe = result;
+        result = null;
+        return returnMe;
+      }
+      
+      public override Builder MergeFrom(pb::IMessage other) {
+        if (other is TestAllTypes) {
+          return MergeFrom((TestAllTypes) other);
+        } else {
+          base.MergeFrom(other);
+          return this;
+        }
+      }
+      
+      public override Builder MergeFrom(TestAllTypes other) {
+        if (other == TestAllTypes.DefaultInstance) return this;
+        if (other.HasOptionalInt32) {
+          OptionalInt32 = other.OptionalInt32;
+        }
+        if (other.HasOptionalInt64) {
+          OptionalInt64 = other.OptionalInt64;
+        }
+        if (other.HasOptionalUint32) {
+          OptionalUint32 = other.OptionalUint32;
+        }
+        if (other.HasOptionalUint64) {
+          OptionalUint64 = other.OptionalUint64;
+        }
+        if (other.HasOptionalSint32) {
+          OptionalSint32 = other.OptionalSint32;
+        }
+        if (other.HasOptionalSint64) {
+          OptionalSint64 = other.OptionalSint64;
+        }
+        if (other.HasOptionalFixed32) {
+          OptionalFixed32 = other.OptionalFixed32;
+        }
+        if (other.HasOptionalFixed64) {
+          OptionalFixed64 = other.OptionalFixed64;
+        }
+        if (other.HasOptionalSfixed32) {
+          OptionalSfixed32 = other.OptionalSfixed32;
+        }
+        if (other.HasOptionalSfixed64) {
+          OptionalSfixed64 = other.OptionalSfixed64;
+        }
+        if (other.HasOptionalFloat) {
+          OptionalFloat = other.OptionalFloat;
+        }
+        if (other.HasOptionalDouble) {
+          OptionalDouble = other.OptionalDouble;
+        }
+        if (other.HasOptionalBool) {
+          OptionalBool = other.OptionalBool;
+        }
+        if (other.HasOptionalString) {
+          OptionalString = other.OptionalString;
+        }
+        if (other.HasOptionalBytes) {
+          OptionalBytes = other.OptionalBytes;
+        }
+        if (other.HasOptionalGroup) {
+          MergeOptionalGroup(other.OptionalGroup);
+        }
+        if (other.HasOptionalNestedMessage) {
+          MergeOptionalNestedMessage(other.OptionalNestedMessage);
+        }
+        if (other.HasOptionalForeignMessage) {
+          MergeOptionalForeignMessage(other.OptionalForeignMessage);
+        }
+        if (other.HasOptionalImportMessage) {
+          MergeOptionalImportMessage(other.OptionalImportMessage);
+        }
+        if (other.HasOptionalNestedEnum) {
+          OptionalNestedEnum = other.OptionalNestedEnum;
+        }
+        if (other.HasOptionalForeignEnum) {
+          OptionalForeignEnum = other.OptionalForeignEnum;
+        }
+        if (other.HasOptionalImportEnum) {
+          OptionalImportEnum = other.OptionalImportEnum;
+        }
+        if (other.HasOptionalStringPiece) {
+          OptionalStringPiece = other.OptionalStringPiece;
+        }
+        if (other.HasOptionalCord) {
+          OptionalCord = other.OptionalCord;
+        }
+        if (other.repeatedInt32_.Count != 0) {
+          base.AddRange(other.repeatedInt32_, result.repeatedInt32_);
+        }
+        if (other.repeatedInt64_.Count != 0) {
+          base.AddRange(other.repeatedInt64_, result.repeatedInt64_);
+        }
+        if (other.repeatedUint32_.Count != 0) {
+          base.AddRange(other.repeatedUint32_, result.repeatedUint32_);
+        }
+        if (other.repeatedUint64_.Count != 0) {
+          base.AddRange(other.repeatedUint64_, result.repeatedUint64_);
+        }
+        if (other.repeatedSint32_.Count != 0) {
+          base.AddRange(other.repeatedSint32_, result.repeatedSint32_);
+        }
+        if (other.repeatedSint64_.Count != 0) {
+          base.AddRange(other.repeatedSint64_, result.repeatedSint64_);
+        }
+        if (other.repeatedFixed32_.Count != 0) {
+          base.AddRange(other.repeatedFixed32_, result.repeatedFixed32_);
+        }
+        if (other.repeatedFixed64_.Count != 0) {
+          base.AddRange(other.repeatedFixed64_, result.repeatedFixed64_);
+        }
+        if (other.repeatedSfixed32_.Count != 0) {
+          base.AddRange(other.repeatedSfixed32_, result.repeatedSfixed32_);
+        }
+        if (other.repeatedSfixed64_.Count != 0) {
+          base.AddRange(other.repeatedSfixed64_, result.repeatedSfixed64_);
+        }
+        if (other.repeatedFloat_.Count != 0) {
+          base.AddRange(other.repeatedFloat_, result.repeatedFloat_);
+        }
+        if (other.repeatedDouble_.Count != 0) {
+          base.AddRange(other.repeatedDouble_, result.repeatedDouble_);
+        }
+        if (other.repeatedBool_.Count != 0) {
+          base.AddRange(other.repeatedBool_, result.repeatedBool_);
+        }
+        if (other.repeatedString_.Count != 0) {
+          base.AddRange(other.repeatedString_, result.repeatedString_);
+        }
+        if (other.repeatedBytes_.Count != 0) {
+          base.AddRange(other.repeatedBytes_, result.repeatedBytes_);
+        }
+        if (other.repeatedGroup_.Count != 0) {
+          base.AddRange(other.repeatedGroup_, result.repeatedGroup_);
+        }
+        if (other.repeatedNestedMessage_.Count != 0) {
+          base.AddRange(other.repeatedNestedMessage_, result.repeatedNestedMessage_);
+        }
+        if (other.repeatedForeignMessage_.Count != 0) {
+          base.AddRange(other.repeatedForeignMessage_, result.repeatedForeignMessage_);
+        }
+        if (other.repeatedImportMessage_.Count != 0) {
+          base.AddRange(other.repeatedImportMessage_, result.repeatedImportMessage_);
+        }
+        if (other.repeatedNestedEnum_.Count != 0) {
+          base.AddRange(other.repeatedNestedEnum_, result.repeatedNestedEnum_);
+        }
+        if (other.repeatedForeignEnum_.Count != 0) {
+          base.AddRange(other.repeatedForeignEnum_, result.repeatedForeignEnum_);
+        }
+        if (other.repeatedImportEnum_.Count != 0) {
+          base.AddRange(other.repeatedImportEnum_, result.repeatedImportEnum_);
+        }
+        if (other.repeatedStringPiece_.Count != 0) {
+          base.AddRange(other.repeatedStringPiece_, result.repeatedStringPiece_);
+        }
+        if (other.repeatedCord_.Count != 0) {
+          base.AddRange(other.repeatedCord_, result.repeatedCord_);
+        }
+        if (other.HasDefaultInt32) {
+          DefaultInt32 = other.DefaultInt32;
+        }
+        if (other.HasDefaultInt64) {
+          DefaultInt64 = other.DefaultInt64;
+        }
+        if (other.HasDefaultUint32) {
+          DefaultUint32 = other.DefaultUint32;
+        }
+        if (other.HasDefaultUint64) {
+          DefaultUint64 = other.DefaultUint64;
+        }
+        if (other.HasDefaultSint32) {
+          DefaultSint32 = other.DefaultSint32;
+        }
+        if (other.HasDefaultSint64) {
+          DefaultSint64 = other.DefaultSint64;
+        }
+        if (other.HasDefaultFixed32) {
+          DefaultFixed32 = other.DefaultFixed32;
+        }
+        if (other.HasDefaultFixed64) {
+          DefaultFixed64 = other.DefaultFixed64;
+        }
+        if (other.HasDefaultSfixed32) {
+          DefaultSfixed32 = other.DefaultSfixed32;
+        }
+        if (other.HasDefaultSfixed64) {
+          DefaultSfixed64 = other.DefaultSfixed64;
+        }
+        if (other.HasDefaultFloat) {
+          DefaultFloat = other.DefaultFloat;
+        }
+        if (other.HasDefaultDouble) {
+          DefaultDouble = other.DefaultDouble;
+        }
+        if (other.HasDefaultBool) {
+          DefaultBool = other.DefaultBool;
+        }
+        if (other.HasDefaultString) {
+          DefaultString = other.DefaultString;
+        }
+        if (other.HasDefaultBytes) {
+          DefaultBytes = other.DefaultBytes;
+        }
+        if (other.HasDefaultNestedEnum) {
+          DefaultNestedEnum = other.DefaultNestedEnum;
+        }
+        if (other.HasDefaultForeignEnum) {
+          DefaultForeignEnum = other.DefaultForeignEnum;
+        }
+        if (other.HasDefaultImportEnum) {
+          DefaultImportEnum = other.DefaultImportEnum;
+        }
+        if (other.HasDefaultStringPiece) {
+          DefaultStringPiece = other.DefaultStringPiece;
+        }
+        if (other.HasDefaultCord) {
+          DefaultCord = other.DefaultCord;
+        }
+        this.MergeUnknownFields(other.UnknownFields);
+        return this;
+      }
+      
+      public override Builder MergeFrom(pb::CodedInputStream input) {
+        return MergeFrom(input, pb::ExtensionRegistry.Empty);
+      }
+      
+      public override Builder MergeFrom(pb::CodedInputStream input, pb::ExtensionRegistry extensionRegistry) {
+        pb::UnknownFieldSet.Builder unknownFields = pb::UnknownFieldSet.CreateBuilder(this.UnknownFields);
+        while (true) {
+          uint tag = input.ReadTag();
+          switch (tag) {
+            case 0: {
+              this.UnknownFields = unknownFields.Build();
+              return this;
+            }
+            default: {
+              if (!ParseUnknownField(input, unknownFields, extensionRegistry, tag)) {
+                this.UnknownFields = unknownFields.Build();
+                return this;
+              }
+              break;
+            }
+            case 8: {
+              OptionalInt32 = input.ReadInt32();
+              break;
+            }
+            case 16: {
+              OptionalInt64 = input.ReadInt64();
+              break;
+            }
+            case 24: {
+              OptionalUint32 = input.ReadUInt32();
+              break;
+            }
+            case 32: {
+              OptionalUint64 = input.ReadUInt64();
+              break;
+            }
+            case 40: {
+              OptionalSint32 = input.ReadSInt32();
+              break;
+            }
+            case 48: {
+              OptionalSint64 = input.ReadSInt64();
+              break;
+            }
+            case 61: {
+              OptionalFixed32 = input.ReadFixed32();
+              break;
+            }
+            case 65: {
+              OptionalFixed64 = input.ReadFixed64();
+              break;
+            }
+            case 77: {
+              OptionalSfixed32 = input.ReadSFixed32();
+              break;
+            }
+            case 81: {
+              OptionalSfixed64 = input.ReadSFixed64();
+              break;
+            }
+            case 93: {
+              OptionalFloat = input.ReadFloat();
+              break;
+            }
+            case 97: {
+              OptionalDouble = input.ReadDouble();
+              break;
+            }
+            case 104: {
+              OptionalBool = input.ReadBool();
+              break;
+            }
+            case 114: {
+              OptionalString = input.ReadString();
+              break;
+            }
+            case 122: {
+              OptionalBytes = input.ReadBytes();
+              break;
+            }
+            case 131: {
+              global::Google.ProtocolBuffers.TestProtos.TestAllTypes.Types.OptionalGroup.Builder subBuilder = global::Google.ProtocolBuffers.TestProtos.TestAllTypes.Types.OptionalGroup.CreateBuilder();
+              if (HasOptionalGroup) {
+                subBuilder.MergeFrom(OptionalGroup);
+              }
+              input.ReadGroup(16, subBuilder, extensionRegistry);
+              OptionalGroup = subBuilder.BuildPartial();
+              break;
+            }
+            case 146: {
+              global::Google.ProtocolBuffers.TestProtos.TestAllTypes.Types.NestedMessage.Builder subBuilder = global::Google.ProtocolBuffers.TestProtos.TestAllTypes.Types.NestedMessage.CreateBuilder();
+              if (HasOptionalNestedMessage) {
+                subBuilder.MergeFrom(OptionalNestedMessage);
+              }
+              input.ReadMessage(subBuilder, extensionRegistry);
+              OptionalNestedMessage = subBuilder.BuildPartial();
+              break;
+            }
+            case 154: {
+              global::Google.ProtocolBuffers.TestProtos.ForeignMessage.Builder subBuilder = global::Google.ProtocolBuffers.TestProtos.ForeignMessage.CreateBuilder();
+              if (HasOptionalForeignMessage) {
+                subBuilder.MergeFrom(OptionalForeignMessage);
+              }
+              input.ReadMessage(subBuilder, extensionRegistry);
+              OptionalForeignMessage = subBuilder.BuildPartial();
+              break;
+            }
+            case 162: {
+              global::Google.ProtocolBuffers.TestProtos.ImportMessage.Builder subBuilder = global::Google.ProtocolBuffers.TestProtos.ImportMessage.CreateBuilder();
+              if (HasOptionalImportMessage) {
+                subBuilder.MergeFrom(OptionalImportMessage);
+              }
+              input.ReadMessage(subBuilder, extensionRegistry);
+              OptionalImportMessage = subBuilder.BuildPartial();
+              break;
+            }
+            case 168: {
+              int rawValue = input.ReadEnum();
+              if (!global::System.Enum.IsDefined(typeof(global::Google.ProtocolBuffers.TestProtos.TestAllTypes.Types.NestedEnum), rawValue)) {
+                unknownFields.MergeVarintField(21, (ulong) rawValue);
+              } else {
+                OptionalNestedEnum = (global::Google.ProtocolBuffers.TestProtos.TestAllTypes.Types.NestedEnum) rawValue;
+              }
+              break;
+            }
+            case 176: {
+              int rawValue = input.ReadEnum();
+              if (!global::System.Enum.IsDefined(typeof(global::Google.ProtocolBuffers.TestProtos.ForeignEnum), rawValue)) {
+                unknownFields.MergeVarintField(22, (ulong) rawValue);
+              } else {
+                OptionalForeignEnum = (global::Google.ProtocolBuffers.TestProtos.ForeignEnum) rawValue;
+              }
+              break;
+            }
+            case 184: {
+              int rawValue = input.ReadEnum();
+              if (!global::System.Enum.IsDefined(typeof(global::Google.ProtocolBuffers.TestProtos.ImportEnum), rawValue)) {
+                unknownFields.MergeVarintField(23, (ulong) rawValue);
+              } else {
+                OptionalImportEnum = (global::Google.ProtocolBuffers.TestProtos.ImportEnum) rawValue;
+              }
+              break;
+            }
+            case 194: {
+              OptionalStringPiece = input.ReadString();
+              break;
+            }
+            case 202: {
+              OptionalCord = input.ReadString();
+              break;
+            }
+            case 248: {
+              AddRepeatedInt32(input.ReadInt32());
+              break;
+            }
+            case 256: {
+              AddRepeatedInt64(input.ReadInt64());
+              break;
+            }
+            case 264: {
+              AddRepeatedUint32(input.ReadUInt32());
+              break;
+            }
+            case 272: {
+              AddRepeatedUint64(input.ReadUInt64());
+              break;
+            }
+            case 280: {
+              AddRepeatedSint32(input.ReadSInt32());
+              break;
+            }
+            case 288: {
+              AddRepeatedSint64(input.ReadSInt64());
+              break;
+            }
+            case 301: {
+              AddRepeatedFixed32(input.ReadFixed32());
+              break;
+            }
+            case 305: {
+              AddRepeatedFixed64(input.ReadFixed64());
+              break;
+            }
+            case 317: {
+              AddRepeatedSfixed32(input.ReadSFixed32());
+              break;
+            }
+            case 321: {
+              AddRepeatedSfixed64(input.ReadSFixed64());
+              break;
+            }
+            case 333: {
+              AddRepeatedFloat(input.ReadFloat());
+              break;
+            }
+            case 337: {
+              AddRepeatedDouble(input.ReadDouble());
+              break;
+            }
+            case 344: {
+              AddRepeatedBool(input.ReadBool());
+              break;
+            }
+            case 354: {
+              AddRepeatedString(input.ReadString());
+              break;
+            }
+            case 362: {
+              AddRepeatedBytes(input.ReadBytes());
+              break;
+            }
+            case 371: {
+              global::Google.ProtocolBuffers.TestProtos.TestAllTypes.Types.RepeatedGroup.Builder subBuilder = global::Google.ProtocolBuffers.TestProtos.TestAllTypes.Types.RepeatedGroup.CreateBuilder();
+              input.ReadGroup(46, subBuilder, extensionRegistry);
+              AddRepeatedGroup(subBuilder.BuildPartial());
+              break;
+            }
+            case 386: {
+              global::Google.ProtocolBuffers.TestProtos.TestAllTypes.Types.NestedMessage.Builder subBuilder = global::Google.ProtocolBuffers.TestProtos.TestAllTypes.Types.NestedMessage.CreateBuilder();
+              input.ReadMessage(subBuilder, extensionRegistry);
+              AddRepeatedNestedMessage(subBuilder.BuildPartial());
+              break;
+            }
+            case 394: {
+              global::Google.ProtocolBuffers.TestProtos.ForeignMessage.Builder subBuilder = global::Google.ProtocolBuffers.TestProtos.ForeignMessage.CreateBuilder();
+              input.ReadMessage(subBuilder, extensionRegistry);
+              AddRepeatedForeignMessage(subBuilder.BuildPartial());
+              break;
+            }
+            case 402: {
+              global::Google.ProtocolBuffers.TestProtos.ImportMessage.Builder subBuilder = global::Google.ProtocolBuffers.TestProtos.ImportMessage.CreateBuilder();
+              input.ReadMessage(subBuilder, extensionRegistry);
+              AddRepeatedImportMessage(subBuilder.BuildPartial());
+              break;
+            }
+            case 408: {
+              int rawValue = input.ReadEnum();
+              if (!global::System.Enum.IsDefined(typeof(global::Google.ProtocolBuffers.TestProtos.TestAllTypes.Types.NestedEnum), rawValue)) {
+                unknownFields.MergeVarintField(51, (ulong) rawValue);
+              } else {
+                AddRepeatedNestedEnum((global::Google.ProtocolBuffers.TestProtos.TestAllTypes.Types.NestedEnum) rawValue);
+              }
+              break;
+            }
+            case 416: {
+              int rawValue = input.ReadEnum();
+              if (!global::System.Enum.IsDefined(typeof(global::Google.ProtocolBuffers.TestProtos.ForeignEnum), rawValue)) {
+                unknownFields.MergeVarintField(52, (ulong) rawValue);
+              } else {
+                AddRepeatedForeignEnum((global::Google.ProtocolBuffers.TestProtos.ForeignEnum) rawValue);
+              }
+              break;
+            }
+            case 424: {
+              int rawValue = input.ReadEnum();
+              if (!global::System.Enum.IsDefined(typeof(global::Google.ProtocolBuffers.TestProtos.ImportEnum), rawValue)) {
+                unknownFields.MergeVarintField(53, (ulong) rawValue);
+              } else {
+                AddRepeatedImportEnum((global::Google.ProtocolBuffers.TestProtos.ImportEnum) rawValue);
+              }
+              break;
+            }
+            case 434: {
+              AddRepeatedStringPiece(input.ReadString());
+              break;
+            }
+            case 442: {
+              AddRepeatedCord(input.ReadString());
+              break;
+            }
+            case 488: {
+              DefaultInt32 = input.ReadInt32();
+              break;
+            }
+            case 496: {
+              DefaultInt64 = input.ReadInt64();
+              break;
+            }
+            case 504: {
+              DefaultUint32 = input.ReadUInt32();
+              break;
+            }
+            case 512: {
+              DefaultUint64 = input.ReadUInt64();
+              break;
+            }
+            case 520: {
+              DefaultSint32 = input.ReadSInt32();
+              break;
+            }
+            case 528: {
+              DefaultSint64 = input.ReadSInt64();
+              break;
+            }
+            case 541: {
+              DefaultFixed32 = input.ReadFixed32();
+              break;
+            }
+            case 545: {
+              DefaultFixed64 = input.ReadFixed64();
+              break;
+            }
+            case 557: {
+              DefaultSfixed32 = input.ReadSFixed32();
+              break;
+            }
+            case 561: {
+              DefaultSfixed64 = input.ReadSFixed64();
+              break;
+            }
+            case 573: {
+              DefaultFloat = input.ReadFloat();
+              break;
+            }
+            case 577: {
+              DefaultDouble = input.ReadDouble();
+              break;
+            }
+            case 584: {
+              DefaultBool = input.ReadBool();
+              break;
+            }
+            case 594: {
+              DefaultString = input.ReadString();
+              break;
+            }
+            case 602: {
+              DefaultBytes = input.ReadBytes();
+              break;
+            }
+            case 648: {
+              int rawValue = input.ReadEnum();
+              if (!global::System.Enum.IsDefined(typeof(global::Google.ProtocolBuffers.TestProtos.TestAllTypes.Types.NestedEnum), rawValue)) {
+                unknownFields.MergeVarintField(81, (ulong) rawValue);
+              } else {
+                DefaultNestedEnum = (global::Google.ProtocolBuffers.TestProtos.TestAllTypes.Types.NestedEnum) rawValue;
+              }
+              break;
+            }
+            case 656: {
+              int rawValue = input.ReadEnum();
+              if (!global::System.Enum.IsDefined(typeof(global::Google.ProtocolBuffers.TestProtos.ForeignEnum), rawValue)) {
+                unknownFields.MergeVarintField(82, (ulong) rawValue);
+              } else {
+                DefaultForeignEnum = (global::Google.ProtocolBuffers.TestProtos.ForeignEnum) rawValue;
+              }
+              break;
+            }
+            case 664: {
+              int rawValue = input.ReadEnum();
+              if (!global::System.Enum.IsDefined(typeof(global::Google.ProtocolBuffers.TestProtos.ImportEnum), rawValue)) {
+                unknownFields.MergeVarintField(83, (ulong) rawValue);
+              } else {
+                DefaultImportEnum = (global::Google.ProtocolBuffers.TestProtos.ImportEnum) rawValue;
+              }
+              break;
+            }
+            case 674: {
+              DefaultStringPiece = input.ReadString();
+              break;
+            }
+            case 682: {
+              DefaultCord = input.ReadString();
+              break;
+            }
+          }
+        }
+      }
+      
+      
+      public bool HasOptionalInt32 {
+        get { return result.HasOptionalInt32; }
+      }
+      public int OptionalInt32 {
+        get { return result.OptionalInt32; }
+        set { SetOptionalInt32(value); }
+      }
+      public Builder SetOptionalInt32(int value) {
+        result.hasOptionalInt32 = true;
+        result.optionalInt32_ = value;
+        return this;
+      }
+      public Builder ClearOptionalInt32() {
+        result.hasOptionalInt32 = false;
+        result.optionalInt32_ = 0;
+        return this;
+      }
+      
+      public bool HasOptionalInt64 {
+        get { return result.HasOptionalInt64; }
+      }
+      public long OptionalInt64 {
+        get { return result.OptionalInt64; }
+        set { SetOptionalInt64(value); }
+      }
+      public Builder SetOptionalInt64(long value) {
+        result.hasOptionalInt64 = true;
+        result.optionalInt64_ = value;
+        return this;
+      }
+      public Builder ClearOptionalInt64() {
+        result.hasOptionalInt64 = false;
+        result.optionalInt64_ = 0L;
+        return this;
+      }
+      
+      public bool HasOptionalUint32 {
+        get { return result.HasOptionalUint32; }
+      }
+      public uint OptionalUint32 {
+        get { return result.OptionalUint32; }
+        set { SetOptionalUint32(value); }
+      }
+      public Builder SetOptionalUint32(uint value) {
+        result.hasOptionalUint32 = true;
+        result.optionalUint32_ = value;
+        return this;
+      }
+      public Builder ClearOptionalUint32() {
+        result.hasOptionalUint32 = false;
+        result.optionalUint32_ = 0;
+        return this;
+      }
+      
+      public bool HasOptionalUint64 {
+        get { return result.HasOptionalUint64; }
+      }
+      public ulong OptionalUint64 {
+        get { return result.OptionalUint64; }
+        set { SetOptionalUint64(value); }
+      }
+      public Builder SetOptionalUint64(ulong value) {
+        result.hasOptionalUint64 = true;
+        result.optionalUint64_ = value;
+        return this;
+      }
+      public Builder ClearOptionalUint64() {
+        result.hasOptionalUint64 = false;
+        result.optionalUint64_ = 0UL;
+        return this;
+      }
+      
+      public bool HasOptionalSint32 {
+        get { return result.HasOptionalSint32; }
+      }
+      public int OptionalSint32 {
+        get { return result.OptionalSint32; }
+        set { SetOptionalSint32(value); }
+      }
+      public Builder SetOptionalSint32(int value) {
+        result.hasOptionalSint32 = true;
+        result.optionalSint32_ = value;
+        return this;
+      }
+      public Builder ClearOptionalSint32() {
+        result.hasOptionalSint32 = false;
+        result.optionalSint32_ = 0;
+        return this;
+      }
+      
+      public bool HasOptionalSint64 {
+        get { return result.HasOptionalSint64; }
+      }
+      public long OptionalSint64 {
+        get { return result.OptionalSint64; }
+        set { SetOptionalSint64(value); }
+      }
+      public Builder SetOptionalSint64(long value) {
+        result.hasOptionalSint64 = true;
+        result.optionalSint64_ = value;
+        return this;
+      }
+      public Builder ClearOptionalSint64() {
+        result.hasOptionalSint64 = false;
+        result.optionalSint64_ = 0;
+        return this;
+      }
+      
+      public bool HasOptionalFixed32 {
+        get { return result.HasOptionalFixed32; }
+      }
+      public uint OptionalFixed32 {
+        get { return result.OptionalFixed32; }
+        set { SetOptionalFixed32(value); }
+      }
+      public Builder SetOptionalFixed32(uint value) {
+        result.hasOptionalFixed32 = true;
+        result.optionalFixed32_ = value;
+        return this;
+      }
+      public Builder ClearOptionalFixed32() {
+        result.hasOptionalFixed32 = false;
+        result.optionalFixed32_ = 0;
+        return this;
+      }
+      
+      public bool HasOptionalFixed64 {
+        get { return result.HasOptionalFixed64; }
+      }
+      public ulong OptionalFixed64 {
+        get { return result.OptionalFixed64; }
+        set { SetOptionalFixed64(value); }
+      }
+      public Builder SetOptionalFixed64(ulong value) {
+        result.hasOptionalFixed64 = true;
+        result.optionalFixed64_ = value;
+        return this;
+      }
+      public Builder ClearOptionalFixed64() {
+        result.hasOptionalFixed64 = false;
+        result.optionalFixed64_ = 0;
+        return this;
+      }
+      
+      public bool HasOptionalSfixed32 {
+        get { return result.HasOptionalSfixed32; }
+      }
+      public int OptionalSfixed32 {
+        get { return result.OptionalSfixed32; }
+        set { SetOptionalSfixed32(value); }
+      }
+      public Builder SetOptionalSfixed32(int value) {
+        result.hasOptionalSfixed32 = true;
+        result.optionalSfixed32_ = value;
+        return this;
+      }
+      public Builder ClearOptionalSfixed32() {
+        result.hasOptionalSfixed32 = false;
+        result.optionalSfixed32_ = 0;
+        return this;
+      }
+      
+      public bool HasOptionalSfixed64 {
+        get { return result.HasOptionalSfixed64; }
+      }
+      public long OptionalSfixed64 {
+        get { return result.OptionalSfixed64; }
+        set { SetOptionalSfixed64(value); }
+      }
+      public Builder SetOptionalSfixed64(long value) {
+        result.hasOptionalSfixed64 = true;
+        result.optionalSfixed64_ = value;
+        return this;
+      }
+      public Builder ClearOptionalSfixed64() {
+        result.hasOptionalSfixed64 = false;
+        result.optionalSfixed64_ = 0;
+        return this;
+      }
+      
+      public bool HasOptionalFloat {
+        get { return result.HasOptionalFloat; }
+      }
+      public float OptionalFloat {
+        get { return result.OptionalFloat; }
+        set { SetOptionalFloat(value); }
+      }
+      public Builder SetOptionalFloat(float value) {
+        result.hasOptionalFloat = true;
+        result.optionalFloat_ = value;
+        return this;
+      }
+      public Builder ClearOptionalFloat() {
+        result.hasOptionalFloat = false;
+        result.optionalFloat_ = 0F;
+        return this;
+      }
+      
+      public bool HasOptionalDouble {
+        get { return result.HasOptionalDouble; }
+      }
+      public double OptionalDouble {
+        get { return result.OptionalDouble; }
+        set { SetOptionalDouble(value); }
+      }
+      public Builder SetOptionalDouble(double value) {
+        result.hasOptionalDouble = true;
+        result.optionalDouble_ = value;
+        return this;
+      }
+      public Builder ClearOptionalDouble() {
+        result.hasOptionalDouble = false;
+        result.optionalDouble_ = 0D;
+        return this;
+      }
+      
+      public bool HasOptionalBool {
+        get { return result.HasOptionalBool; }
+      }
+      public bool OptionalBool {
+        get { return result.OptionalBool; }
+        set { SetOptionalBool(value); }
+      }
+      public Builder SetOptionalBool(bool value) {
+        result.hasOptionalBool = true;
+        result.optionalBool_ = value;
+        return this;
+      }
+      public Builder ClearOptionalBool() {
+        result.hasOptionalBool = false;
+        result.optionalBool_ = false;
+        return this;
+      }
+      
+      public bool HasOptionalString {
+        get { return result.HasOptionalString; }
+      }
+      public string OptionalString {
+        get { return result.OptionalString; }
+        set { SetOptionalString(value); }
+      }
+      public Builder SetOptionalString(string value) {
+        result.hasOptionalString = true;
+        result.optionalString_ = value;
+        return this;
+      }
+      public Builder ClearOptionalString() {
+        result.hasOptionalString = false;
+        result.optionalString_ = "";
+        return this;
+      }
+      
+      public bool HasOptionalBytes {
+        get { return result.HasOptionalBytes; }
+      }
+      public pb::ByteString OptionalBytes {
+        get { return result.OptionalBytes; }
+        set { SetOptionalBytes(value); }
+      }
+      public Builder SetOptionalBytes(pb::ByteString value) {
+        result.hasOptionalBytes = true;
+        result.optionalBytes_ = value;
+        return this;
+      }
+      public Builder ClearOptionalBytes() {
+        result.hasOptionalBytes = false;
+        result.optionalBytes_ = pb::ByteString.Empty;
+        return this;
+      }
+      
+      public bool HasOptionalGroup {
+       get { return result.HasOptionalGroup; }
+      }
+      public global::Google.ProtocolBuffers.TestProtos.TestAllTypes.Types.OptionalGroup OptionalGroup {
+        get { return result.OptionalGroup; }
+        set { SetOptionalGroup(value); }
+      }
+      public Builder SetOptionalGroup(global::Google.ProtocolBuffers.TestProtos.TestAllTypes.Types.OptionalGroup value) {
+        result.hasOptionalGroup = true;
+        result.optionalGroup_ = value;
+        return this;
+      }
+      public Builder SetOptionalGroup(global::Google.ProtocolBuffers.TestProtos.TestAllTypes.Types.OptionalGroup.Builder builderForValue) {
+        result.hasOptionalGroup = true;
+        result.optionalGroup_ = builderForValue.Build();
+        return this;
+      }
+      public Builder MergeOptionalGroup(global::Google.ProtocolBuffers.TestProtos.TestAllTypes.Types.OptionalGroup value) {
+        if (result.HasOptionalGroup &&
+            result.optionalGroup_ != global::Google.ProtocolBuffers.TestProtos.TestAllTypes.Types.OptionalGroup.DefaultInstance) {
+            result.optionalGroup_ = global::Google.ProtocolBuffers.TestProtos.TestAllTypes.Types.OptionalGroup.CreateBuilder(result.optionalGroup_).MergeFrom(value).BuildPartial();
+        } else {
+          result.optionalGroup_ = value;
+        }
+        result.hasOptionalGroup = true;
+        return this;
+      }
+      public Builder ClearOptionalGroup() {
+        result.hasOptionalGroup = false;
+        result.optionalGroup_ = global::Google.ProtocolBuffers.TestProtos.TestAllTypes.Types.OptionalGroup.DefaultInstance;
+        return this;
+      }
+      
+      public bool HasOptionalNestedMessage {
+       get { return result.HasOptionalNestedMessage; }
+      }
+      public global::Google.ProtocolBuffers.TestProtos.TestAllTypes.Types.NestedMessage OptionalNestedMessage {
+        get { return result.OptionalNestedMessage; }
+        set { SetOptionalNestedMessage(value); }
+      }
+      public Builder SetOptionalNestedMessage(global::Google.ProtocolBuffers.TestProtos.TestAllTypes.Types.NestedMessage value) {
+        result.hasOptionalNestedMessage = true;
+        result.optionalNestedMessage_ = value;
+        return this;
+      }
+      public Builder SetOptionalNestedMessage(global::Google.ProtocolBuffers.TestProtos.TestAllTypes.Types.NestedMessage.Builder builderForValue) {
+        result.hasOptionalNestedMessage = true;
+        result.optionalNestedMessage_ = builderForValue.Build();
+        return this;
+      }
+      public Builder MergeOptionalNestedMessage(global::Google.ProtocolBuffers.TestProtos.TestAllTypes.Types.NestedMessage value) {
+        if (result.HasOptionalNestedMessage &&
+            result.optionalNestedMessage_ != global::Google.ProtocolBuffers.TestProtos.TestAllTypes.Types.NestedMessage.DefaultInstance) {
+            result.optionalNestedMessage_ = global::Google.ProtocolBuffers.TestProtos.TestAllTypes.Types.NestedMessage.CreateBuilder(result.optionalNestedMessage_).MergeFrom(value).BuildPartial();
+        } else {
+          result.optionalNestedMessage_ = value;
+        }
+        result.hasOptionalNestedMessage = true;
+        return this;
+      }
+      public Builder ClearOptionalNestedMessage() {
+        result.hasOptionalNestedMessage = false;
+        result.optionalNestedMessage_ = global::Google.ProtocolBuffers.TestProtos.TestAllTypes.Types.NestedMessage.DefaultInstance;
+        return this;
+      }
+      
+      public bool HasOptionalForeignMessage {
+       get { return result.HasOptionalForeignMessage; }
+      }
+      public global::Google.ProtocolBuffers.TestProtos.ForeignMessage OptionalForeignMessage {
+        get { return result.OptionalForeignMessage; }
+        set { SetOptionalForeignMessage(value); }
+      }
+      public Builder SetOptionalForeignMessage(global::Google.ProtocolBuffers.TestProtos.ForeignMessage value) {
+        result.hasOptionalForeignMessage = true;
+        result.optionalForeignMessage_ = value;
+        return this;
+      }
+      public Builder SetOptionalForeignMessage(global::Google.ProtocolBuffers.TestProtos.ForeignMessage.Builder builderForValue) {
+        result.hasOptionalForeignMessage = true;
+        result.optionalForeignMessage_ = builderForValue.Build();
+        return this;
+      }
+      public Builder MergeOptionalForeignMessage(global::Google.ProtocolBuffers.TestProtos.ForeignMessage value) {
+        if (result.HasOptionalForeignMessage &&
+            result.optionalForeignMessage_ != global::Google.ProtocolBuffers.TestProtos.ForeignMessage.DefaultInstance) {
+            result.optionalForeignMessage_ = global::Google.ProtocolBuffers.TestProtos.ForeignMessage.CreateBuilder(result.optionalForeignMessage_).MergeFrom(value).BuildPartial();
+        } else {
+          result.optionalForeignMessage_ = value;
+        }
+        result.hasOptionalForeignMessage = true;
+        return this;
+      }
+      public Builder ClearOptionalForeignMessage() {
+        result.hasOptionalForeignMessage = false;
+        result.optionalForeignMessage_ = global::Google.ProtocolBuffers.TestProtos.ForeignMessage.DefaultInstance;
+        return this;
+      }
+      
+      public bool HasOptionalImportMessage {
+       get { return result.HasOptionalImportMessage; }
+      }
+      public global::Google.ProtocolBuffers.TestProtos.ImportMessage OptionalImportMessage {
+        get { return result.OptionalImportMessage; }
+        set { SetOptionalImportMessage(value); }
+      }
+      public Builder SetOptionalImportMessage(global::Google.ProtocolBuffers.TestProtos.ImportMessage value) {
+        result.hasOptionalImportMessage = true;
+        result.optionalImportMessage_ = value;
+        return this;
+      }
+      public Builder SetOptionalImportMessage(global::Google.ProtocolBuffers.TestProtos.ImportMessage.Builder builderForValue) {
+        result.hasOptionalImportMessage = true;
+        result.optionalImportMessage_ = builderForValue.Build();
+        return this;
+      }
+      public Builder MergeOptionalImportMessage(global::Google.ProtocolBuffers.TestProtos.ImportMessage value) {
+        if (result.HasOptionalImportMessage &&
+            result.optionalImportMessage_ != global::Google.ProtocolBuffers.TestProtos.ImportMessage.DefaultInstance) {
+            result.optionalImportMessage_ = global::Google.ProtocolBuffers.TestProtos.ImportMessage.CreateBuilder(result.optionalImportMessage_).MergeFrom(value).BuildPartial();
+        } else {
+          result.optionalImportMessage_ = value;
+        }
+        result.hasOptionalImportMessage = true;
+        return this;
+      }
+      public Builder ClearOptionalImportMessage() {
+        result.hasOptionalImportMessage = false;
+        result.optionalImportMessage_ = global::Google.ProtocolBuffers.TestProtos.ImportMessage.DefaultInstance;
+        return this;
+      }
+      
+      public bool HasOptionalNestedEnum {
+       get { return result.HasOptionalNestedEnum; }
+      }
+      public global::Google.ProtocolBuffers.TestProtos.TestAllTypes.Types.NestedEnum OptionalNestedEnum {
+        get { return result.OptionalNestedEnum; }
+        set { SetOptionalNestedEnum(value); }
+      }
+      public Builder SetOptionalNestedEnum(global::Google.ProtocolBuffers.TestProtos.TestAllTypes.Types.NestedEnum value) {
+        result.hasOptionalNestedEnum = true;
+        result.optionalNestedEnum_ = value;
+        return this;
+      }
+      public Builder ClearOptionalNestedEnum() {
+        result.hasOptionalNestedEnum = false;
+        result.optionalNestedEnum_ = global::Google.ProtocolBuffers.TestProtos.TestAllTypes.Types.NestedEnum.FOO;
+        return this;
+      }
+      
+      public bool HasOptionalForeignEnum {
+       get { return result.HasOptionalForeignEnum; }
+      }
+      public global::Google.ProtocolBuffers.TestProtos.ForeignEnum OptionalForeignEnum {
+        get { return result.OptionalForeignEnum; }
+        set { SetOptionalForeignEnum(value); }
+      }
+      public Builder SetOptionalForeignEnum(global::Google.ProtocolBuffers.TestProtos.ForeignEnum value) {
+        result.hasOptionalForeignEnum = true;
+        result.optionalForeignEnum_ = value;
+        return this;
+      }
+      public Builder ClearOptionalForeignEnum() {
+        result.hasOptionalForeignEnum = false;
+        result.optionalForeignEnum_ = global::Google.ProtocolBuffers.TestProtos.ForeignEnum.FOREIGN_FOO;
+        return this;
+      }
+      
+      public bool HasOptionalImportEnum {
+       get { return result.HasOptionalImportEnum; }
+      }
+      public global::Google.ProtocolBuffers.TestProtos.ImportEnum OptionalImportEnum {
+        get { return result.OptionalImportEnum; }
+        set { SetOptionalImportEnum(value); }
+      }
+      public Builder SetOptionalImportEnum(global::Google.ProtocolBuffers.TestProtos.ImportEnum value) {
+        result.hasOptionalImportEnum = true;
+        result.optionalImportEnum_ = value;
+        return this;
+      }
+      public Builder ClearOptionalImportEnum() {
+        result.hasOptionalImportEnum = false;
+        result.optionalImportEnum_ = global::Google.ProtocolBuffers.TestProtos.ImportEnum.IMPORT_FOO;
+        return this;
+      }
+      
+      public bool HasOptionalStringPiece {
+        get { return result.HasOptionalStringPiece; }
+      }
+      public string OptionalStringPiece {
+        get { return result.OptionalStringPiece; }
+        set { SetOptionalStringPiece(value); }
+      }
+      public Builder SetOptionalStringPiece(string value) {
+        result.hasOptionalStringPiece = true;
+        result.optionalStringPiece_ = value;
+        return this;
+      }
+      public Builder ClearOptionalStringPiece() {
+        result.hasOptionalStringPiece = false;
+        result.optionalStringPiece_ = "";
+        return this;
+      }
+      
+      public bool HasOptionalCord {
+        get { return result.HasOptionalCord; }
+      }
+      public string OptionalCord {
+        get { return result.OptionalCord; }
+        set { SetOptionalCord(value); }
+      }
+      public Builder SetOptionalCord(string value) {
+        result.hasOptionalCord = true;
+        result.optionalCord_ = value;
+        return this;
+      }
+      public Builder ClearOptionalCord() {
+        result.hasOptionalCord = false;
+        result.optionalCord_ = "";
+        return this;
+      }
+      
+      public scg::IList<int> RepeatedInt32List {
+        get { return result.repeatedInt32_; }
+      }
+      public int RepeatedInt32Count {
+        get { return result.RepeatedInt32Count; }
+      }
+      public int GetRepeatedInt32(int index) {
+        return result.GetRepeatedInt32(index);
+      }
+      public Builder SetRepeatedInt32(int index, int value) {
+        result.repeatedInt32_[index] = value;
+        return this;
+      }
+      public Builder AddRepeatedInt32(int value) {
+        result.repeatedInt32_.Add(value);
+        return this;
+      }
+      public Builder AddRangeRepeatedInt32(scg::IEnumerable<int> values) {
+        base.AddRange(values, result.repeatedInt32_);
+        return this;
+      }
+      public Builder ClearRepeatedInt32() {
+        result.repeatedInt32_.Clear();
+        return this;
+      }
+      
+      public scg::IList<long> RepeatedInt64List {
+        get { return result.repeatedInt64_; }
+      }
+      public int RepeatedInt64Count {
+        get { return result.RepeatedInt64Count; }
+      }
+      public long GetRepeatedInt64(int index) {
+        return result.GetRepeatedInt64(index);
+      }
+      public Builder SetRepeatedInt64(int index, long value) {
+        result.repeatedInt64_[index] = value;
+        return this;
+      }
+      public Builder AddRepeatedInt64(long value) {
+        result.repeatedInt64_.Add(value);
+        return this;
+      }
+      public Builder AddRangeRepeatedInt64(scg::IEnumerable<long> values) {
+        base.AddRange(values, result.repeatedInt64_);
+        return this;
+      }
+      public Builder ClearRepeatedInt64() {
+        result.repeatedInt64_.Clear();
+        return this;
+      }
+      
+      public scg::IList<uint> RepeatedUint32List {
+        get { return result.repeatedUint32_; }
+      }
+      public int RepeatedUint32Count {
+        get { return result.RepeatedUint32Count; }
+      }
+      public uint GetRepeatedUint32(int index) {
+        return result.GetRepeatedUint32(index);
+      }
+      public Builder SetRepeatedUint32(int index, uint value) {
+        result.repeatedUint32_[index] = value;
+        return this;
+      }
+      public Builder AddRepeatedUint32(uint value) {
+        result.repeatedUint32_.Add(value);
+        return this;
+      }
+      public Builder AddRangeRepeatedUint32(scg::IEnumerable<uint> values) {
+        base.AddRange(values, result.repeatedUint32_);
+        return this;
+      }
+      public Builder ClearRepeatedUint32() {
+        result.repeatedUint32_.Clear();
+        return this;
+      }
+      
+      public scg::IList<ulong> RepeatedUint64List {
+        get { return result.repeatedUint64_; }
+      }
+      public int RepeatedUint64Count {
+        get { return result.RepeatedUint64Count; }
+      }
+      public ulong GetRepeatedUint64(int index) {
+        return result.GetRepeatedUint64(index);
+      }
+      public Builder SetRepeatedUint64(int index, ulong value) {
+        result.repeatedUint64_[index] = value;
+        return this;
+      }
+      public Builder AddRepeatedUint64(ulong value) {
+        result.repeatedUint64_.Add(value);
+        return this;
+      }
+      public Builder AddRangeRepeatedUint64(scg::IEnumerable<ulong> values) {
+        base.AddRange(values, result.repeatedUint64_);
+        return this;
+      }
+      public Builder ClearRepeatedUint64() {
+        result.repeatedUint64_.Clear();
+        return this;
+      }
+      
+      public scg::IList<int> RepeatedSint32List {
+        get { return result.repeatedSint32_; }
+      }
+      public int RepeatedSint32Count {
+        get { return result.RepeatedSint32Count; }
+      }
+      public int GetRepeatedSint32(int index) {
+        return result.GetRepeatedSint32(index);
+      }
+      public Builder SetRepeatedSint32(int index, int value) {
+        result.repeatedSint32_[index] = value;
+        return this;
+      }
+      public Builder AddRepeatedSint32(int value) {
+        result.repeatedSint32_.Add(value);
+        return this;
+      }
+      public Builder AddRangeRepeatedSint32(scg::IEnumerable<int> values) {
+        base.AddRange(values, result.repeatedSint32_);
+        return this;
+      }
+      public Builder ClearRepeatedSint32() {
+        result.repeatedSint32_.Clear();
+        return this;
+      }
+      
+      public scg::IList<long> RepeatedSint64List {
+        get { return result.repeatedSint64_; }
+      }
+      public int RepeatedSint64Count {
+        get { return result.RepeatedSint64Count; }
+      }
+      public long GetRepeatedSint64(int index) {
+        return result.GetRepeatedSint64(index);
+      }
+      public Builder SetRepeatedSint64(int index, long value) {
+        result.repeatedSint64_[index] = value;
+        return this;
+      }
+      public Builder AddRepeatedSint64(long value) {
+        result.repeatedSint64_.Add(value);
+        return this;
+      }
+      public Builder AddRangeRepeatedSint64(scg::IEnumerable<long> values) {
+        base.AddRange(values, result.repeatedSint64_);
+        return this;
+      }
+      public Builder ClearRepeatedSint64() {
+        result.repeatedSint64_.Clear();
+        return this;
+      }
+      
+      public scg::IList<uint> RepeatedFixed32List {
+        get { return result.repeatedFixed32_; }
+      }
+      public int RepeatedFixed32Count {
+        get { return result.RepeatedFixed32Count; }
+      }
+      public uint GetRepeatedFixed32(int index) {
+        return result.GetRepeatedFixed32(index);
+      }
+      public Builder SetRepeatedFixed32(int index, uint value) {
+        result.repeatedFixed32_[index] = value;
+        return this;
+      }
+      public Builder AddRepeatedFixed32(uint value) {
+        result.repeatedFixed32_.Add(value);
+        return this;
+      }
+      public Builder AddRangeRepeatedFixed32(scg::IEnumerable<uint> values) {
+        base.AddRange(values, result.repeatedFixed32_);
+        return this;
+      }
+      public Builder ClearRepeatedFixed32() {
+        result.repeatedFixed32_.Clear();
+        return this;
+      }
+      
+      public scg::IList<ulong> RepeatedFixed64List {
+        get { return result.repeatedFixed64_; }
+      }
+      public int RepeatedFixed64Count {
+        get { return result.RepeatedFixed64Count; }
+      }
+      public ulong GetRepeatedFixed64(int index) {
+        return result.GetRepeatedFixed64(index);
+      }
+      public Builder SetRepeatedFixed64(int index, ulong value) {
+        result.repeatedFixed64_[index] = value;
+        return this;
+      }
+      public Builder AddRepeatedFixed64(ulong value) {
+        result.repeatedFixed64_.Add(value);
+        return this;
+      }
+      public Builder AddRangeRepeatedFixed64(scg::IEnumerable<ulong> values) {
+        base.AddRange(values, result.repeatedFixed64_);
+        return this;
+      }
+      public Builder ClearRepeatedFixed64() {
+        result.repeatedFixed64_.Clear();
+        return this;
+      }
+      
+      public scg::IList<int> RepeatedSfixed32List {
+        get { return result.repeatedSfixed32_; }
+      }
+      public int RepeatedSfixed32Count {
+        get { return result.RepeatedSfixed32Count; }
+      }
+      public int GetRepeatedSfixed32(int index) {
+        return result.GetRepeatedSfixed32(index);
+      }
+      public Builder SetRepeatedSfixed32(int index, int value) {
+        result.repeatedSfixed32_[index] = value;
+        return this;
+      }
+      public Builder AddRepeatedSfixed32(int value) {
+        result.repeatedSfixed32_.Add(value);
+        return this;
+      }
+      public Builder AddRangeRepeatedSfixed32(scg::IEnumerable<int> values) {
+        base.AddRange(values, result.repeatedSfixed32_);
+        return this;
+      }
+      public Builder ClearRepeatedSfixed32() {
+        result.repeatedSfixed32_.Clear();
+        return this;
+      }
+      
+      public scg::IList<long> RepeatedSfixed64List {
+        get { return result.repeatedSfixed64_; }
+      }
+      public int RepeatedSfixed64Count {
+        get { return result.RepeatedSfixed64Count; }
+      }
+      public long GetRepeatedSfixed64(int index) {
+        return result.GetRepeatedSfixed64(index);
+      }
+      public Builder SetRepeatedSfixed64(int index, long value) {
+        result.repeatedSfixed64_[index] = value;
+        return this;
+      }
+      public Builder AddRepeatedSfixed64(long value) {
+        result.repeatedSfixed64_.Add(value);
+        return this;
+      }
+      public Builder AddRangeRepeatedSfixed64(scg::IEnumerable<long> values) {
+        base.AddRange(values, result.repeatedSfixed64_);
+        return this;
+      }
+      public Builder ClearRepeatedSfixed64() {
+        result.repeatedSfixed64_.Clear();
+        return this;
+      }
+      
+      public scg::IList<float> RepeatedFloatList {
+        get { return result.repeatedFloat_; }
+      }
+      public int RepeatedFloatCount {
+        get { return result.RepeatedFloatCount; }
+      }
+      public float GetRepeatedFloat(int index) {
+        return result.GetRepeatedFloat(index);
+      }
+      public Builder SetRepeatedFloat(int index, float value) {
+        result.repeatedFloat_[index] = value;
+        return this;
+      }
+      public Builder AddRepeatedFloat(float value) {
+        result.repeatedFloat_.Add(value);
+        return this;
+      }
+      public Builder AddRangeRepeatedFloat(scg::IEnumerable<float> values) {
+        base.AddRange(values, result.repeatedFloat_);
+        return this;
+      }
+      public Builder ClearRepeatedFloat() {
+        result.repeatedFloat_.Clear();
+        return this;
+      }
+      
+      public scg::IList<double> RepeatedDoubleList {
+        get { return result.repeatedDouble_; }
+      }
+      public int RepeatedDoubleCount {
+        get { return result.RepeatedDoubleCount; }
+      }
+      public double GetRepeatedDouble(int index) {
+        return result.GetRepeatedDouble(index);
+      }
+      public Builder SetRepeatedDouble(int index, double value) {
+        result.repeatedDouble_[index] = value;
+        return this;
+      }
+      public Builder AddRepeatedDouble(double value) {
+        result.repeatedDouble_.Add(value);
+        return this;
+      }
+      public Builder AddRangeRepeatedDouble(scg::IEnumerable<double> values) {
+        base.AddRange(values, result.repeatedDouble_);
+        return this;
+      }
+      public Builder ClearRepeatedDouble() {
+        result.repeatedDouble_.Clear();
+        return this;
+      }
+      
+      public scg::IList<bool> RepeatedBoolList {
+        get { return result.repeatedBool_; }
+      }
+      public int RepeatedBoolCount {
+        get { return result.RepeatedBoolCount; }
+      }
+      public bool GetRepeatedBool(int index) {
+        return result.GetRepeatedBool(index);
+      }
+      public Builder SetRepeatedBool(int index, bool value) {
+        result.repeatedBool_[index] = value;
+        return this;
+      }
+      public Builder AddRepeatedBool(bool value) {
+        result.repeatedBool_.Add(value);
+        return this;
+      }
+      public Builder AddRangeRepeatedBool(scg::IEnumerable<bool> values) {
+        base.AddRange(values, result.repeatedBool_);
+        return this;
+      }
+      public Builder ClearRepeatedBool() {
+        result.repeatedBool_.Clear();
+        return this;
+      }
+      
+      public scg::IList<string> RepeatedStringList {
+        get { return result.repeatedString_; }
+      }
+      public int RepeatedStringCount {
+        get { return result.RepeatedStringCount; }
+      }
+      public string GetRepeatedString(int index) {
+        return result.GetRepeatedString(index);
+      }
+      public Builder SetRepeatedString(int index, string value) {
+        result.repeatedString_[index] = value;
+        return this;
+      }
+      public Builder AddRepeatedString(string value) {
+        result.repeatedString_.Add(value);
+        return this;
+      }
+      public Builder AddRangeRepeatedString(scg::IEnumerable<string> values) {
+        base.AddRange(values, result.repeatedString_);
+        return this;
+      }
+      public Builder ClearRepeatedString() {
+        result.repeatedString_.Clear();
+        return this;
+      }
+      
+      public scg::IList<pb::ByteString> RepeatedBytesList {
+        get { return result.repeatedBytes_; }
+      }
+      public int RepeatedBytesCount {
+        get { return result.RepeatedBytesCount; }
+      }
+      public pb::ByteString GetRepeatedBytes(int index) {
+        return result.GetRepeatedBytes(index);
+      }
+      public Builder SetRepeatedBytes(int index, pb::ByteString value) {
+        result.repeatedBytes_[index] = value;
+        return this;
+      }
+      public Builder AddRepeatedBytes(pb::ByteString value) {
+        result.repeatedBytes_.Add(value);
+        return this;
+      }
+      public Builder AddRangeRepeatedBytes(scg::IEnumerable<pb::ByteString> values) {
+        base.AddRange(values, result.repeatedBytes_);
+        return this;
+      }
+      public Builder ClearRepeatedBytes() {
+        result.repeatedBytes_.Clear();
+        return this;
+      }
+      
+      public scg::IList<global::Google.ProtocolBuffers.TestProtos.TestAllTypes.Types.RepeatedGroup> RepeatedGroupList {
+        get { return result.repeatedGroup_; }
+      }
+      public int RepeatedGroupCount {
+        get { return result.RepeatedGroupCount; }
+      }
+      public global::Google.ProtocolBuffers.TestProtos.TestAllTypes.Types.RepeatedGroup GetRepeatedGroup(int index) {
+        return result.GetRepeatedGroup(index);
+      }
+      public Builder SetRepeatedGroup(int index, global::Google.ProtocolBuffers.TestProtos.TestAllTypes.Types.RepeatedGroup value) {
+        result.repeatedGroup_[index] = value;
+        return this;
+      }
+      public Builder SetRepeatedGroup(int index, global::Google.ProtocolBuffers.TestProtos.TestAllTypes.Types.RepeatedGroup.Builder builderForValue) {
+        result.repeatedGroup_[index] = builderForValue.Build();
+        return this;
+      }
+      public Builder AddRepeatedGroup(global::Google.ProtocolBuffers.TestProtos.TestAllTypes.Types.RepeatedGroup value) {
+        result.repeatedGroup_.Add(value);
+        return this;
+      }
+      public Builder AddRepeatedGroup(global::Google.ProtocolBuffers.TestProtos.TestAllTypes.Types.RepeatedGroup.Builder builderForValue) {
+        result.repeatedGroup_.Add(builderForValue.Build());
+        return this;
+      }
+      public Builder AddRangeRepeatedGroup(scg::IEnumerable<global::Google.ProtocolBuffers.TestProtos.TestAllTypes.Types.RepeatedGroup> values) {
+        base.AddRange(values, result.repeatedGroup_);
+        return this;
+      }
+      public Builder ClearRepeatedGroup() {
+        result.repeatedGroup_.Clear();
+        return this;
+      }
+      
+      public scg::IList<global::Google.ProtocolBuffers.TestProtos.TestAllTypes.Types.NestedMessage> RepeatedNestedMessageList {
+        get { return result.repeatedNestedMessage_; }
+      }
+      public int RepeatedNestedMessageCount {
+        get { return result.RepeatedNestedMessageCount; }
+      }
+      public global::Google.ProtocolBuffers.TestProtos.TestAllTypes.Types.NestedMessage GetRepeatedNestedMessage(int index) {
+        return result.GetRepeatedNestedMessage(index);
+      }
+      public Builder SetRepeatedNestedMessage(int index, global::Google.ProtocolBuffers.TestProtos.TestAllTypes.Types.NestedMessage value) {
+        result.repeatedNestedMessage_[index] = value;
+        return this;
+      }
+      public Builder SetRepeatedNestedMessage(int index, global::Google.ProtocolBuffers.TestProtos.TestAllTypes.Types.NestedMessage.Builder builderForValue) {
+        result.repeatedNestedMessage_[index] = builderForValue.Build();
+        return this;
+      }
+      public Builder AddRepeatedNestedMessage(global::Google.ProtocolBuffers.TestProtos.TestAllTypes.Types.NestedMessage value) {
+        result.repeatedNestedMessage_.Add(value);
+        return this;
+      }
+      public Builder AddRepeatedNestedMessage(global::Google.ProtocolBuffers.TestProtos.TestAllTypes.Types.NestedMessage.Builder builderForValue) {
+        result.repeatedNestedMessage_.Add(builderForValue.Build());
+        return this;
+      }
+      public Builder AddRangeRepeatedNestedMessage(scg::IEnumerable<global::Google.ProtocolBuffers.TestProtos.TestAllTypes.Types.NestedMessage> values) {
+        base.AddRange(values, result.repeatedNestedMessage_);
+        return this;
+      }
+      public Builder ClearRepeatedNestedMessage() {
+        result.repeatedNestedMessage_.Clear();
+        return this;
+      }
+      
+      public scg::IList<global::Google.ProtocolBuffers.TestProtos.ForeignMessage> RepeatedForeignMessageList {
+        get { return result.repeatedForeignMessage_; }
+      }
+      public int RepeatedForeignMessageCount {
+        get { return result.RepeatedForeignMessageCount; }
+      }
+      public global::Google.ProtocolBuffers.TestProtos.ForeignMessage GetRepeatedForeignMessage(int index) {
+        return result.GetRepeatedForeignMessage(index);
+      }
+      public Builder SetRepeatedForeignMessage(int index, global::Google.ProtocolBuffers.TestProtos.ForeignMessage value) {
+        result.repeatedForeignMessage_[index] = value;
+        return this;
+      }
+      public Builder SetRepeatedForeignMessage(int index, global::Google.ProtocolBuffers.TestProtos.ForeignMessage.Builder builderForValue) {
+        result.repeatedForeignMessage_[index] = builderForValue.Build();
+        return this;
+      }
+      public Builder AddRepeatedForeignMessage(global::Google.ProtocolBuffers.TestProtos.ForeignMessage value) {
+        result.repeatedForeignMessage_.Add(value);
+        return this;
+      }
+      public Builder AddRepeatedForeignMessage(global::Google.ProtocolBuffers.TestProtos.ForeignMessage.Builder builderForValue) {
+        result.repeatedForeignMessage_.Add(builderForValue.Build());
+        return this;
+      }
+      public Builder AddRangeRepeatedForeignMessage(scg::IEnumerable<global::Google.ProtocolBuffers.TestProtos.ForeignMessage> values) {
+        base.AddRange(values, result.repeatedForeignMessage_);
+        return this;
+      }
+      public Builder ClearRepeatedForeignMessage() {
+        result.repeatedForeignMessage_.Clear();
+        return this;
+      }
+      
+      public scg::IList<global::Google.ProtocolBuffers.TestProtos.ImportMessage> RepeatedImportMessageList {
+        get { return result.repeatedImportMessage_; }
+      }
+      public int RepeatedImportMessageCount {
+        get { return result.RepeatedImportMessageCount; }
+      }
+      public global::Google.ProtocolBuffers.TestProtos.ImportMessage GetRepeatedImportMessage(int index) {
+        return result.GetRepeatedImportMessage(index);
+      }
+      public Builder SetRepeatedImportMessage(int index, global::Google.ProtocolBuffers.TestProtos.ImportMessage value) {
+        result.repeatedImportMessage_[index] = value;
+        return this;
+      }
+      public Builder SetRepeatedImportMessage(int index, global::Google.ProtocolBuffers.TestProtos.ImportMessage.Builder builderForValue) {
+        result.repeatedImportMessage_[index] = builderForValue.Build();
+        return this;
+      }
+      public Builder AddRepeatedImportMessage(global::Google.ProtocolBuffers.TestProtos.ImportMessage value) {
+        result.repeatedImportMessage_.Add(value);
+        return this;
+      }
+      public Builder AddRepeatedImportMessage(global::Google.ProtocolBuffers.TestProtos.ImportMessage.Builder builderForValue) {
+        result.repeatedImportMessage_.Add(builderForValue.Build());
+        return this;
+      }
+      public Builder AddRangeRepeatedImportMessage(scg::IEnumerable<global::Google.ProtocolBuffers.TestProtos.ImportMessage> values) {
+        base.AddRange(values, result.repeatedImportMessage_);
+        return this;
+      }
+      public Builder ClearRepeatedImportMessage() {
+        result.repeatedImportMessage_.Clear();
+        return this;
+      }
+      
+      public scg::IList<global::Google.ProtocolBuffers.TestProtos.TestAllTypes.Types.NestedEnum> RepeatedNestedEnumList {
+        get { return result.repeatedNestedEnum_; }
+      }
+      public int RepeatedNestedEnumCount {
+        get { return result.RepeatedNestedEnumCount; }
+      }
+      public global::Google.ProtocolBuffers.TestProtos.TestAllTypes.Types.NestedEnum GetRepeatedNestedEnum(int index) {
+        return result.GetRepeatedNestedEnum(index);
+      }
+      public Builder SetRepeatedNestedEnum(int index, global::Google.ProtocolBuffers.TestProtos.TestAllTypes.Types.NestedEnum value) {
+        result.repeatedNestedEnum_[index] = value;
+        return this;
+      }
+      public Builder AddRepeatedNestedEnum(global::Google.ProtocolBuffers.TestProtos.TestAllTypes.Types.NestedEnum value) {
+        result.repeatedNestedEnum_.Add(value);
+        return this;
+      }
+      public Builder AddRangeRepeatedNestedEnum(scg::IEnumerable<global::Google.ProtocolBuffers.TestProtos.TestAllTypes.Types.NestedEnum> values) {
+        base.AddRange(values, result.repeatedNestedEnum_);
+        return this;
+      }
+      public Builder ClearRepeatedNestedEnum() {
+        result.repeatedNestedEnum_.Clear();
+        return this;
+      }
+      
+      public scg::IList<global::Google.ProtocolBuffers.TestProtos.ForeignEnum> RepeatedForeignEnumList {
+        get { return result.repeatedForeignEnum_; }
+      }
+      public int RepeatedForeignEnumCount {
+        get { return result.RepeatedForeignEnumCount; }
+      }
+      public global::Google.ProtocolBuffers.TestProtos.ForeignEnum GetRepeatedForeignEnum(int index) {
+        return result.GetRepeatedForeignEnum(index);
+      }
+      public Builder SetRepeatedForeignEnum(int index, global::Google.ProtocolBuffers.TestProtos.ForeignEnum value) {
+        result.repeatedForeignEnum_[index] = value;
+        return this;
+      }
+      public Builder AddRepeatedForeignEnum(global::Google.ProtocolBuffers.TestProtos.ForeignEnum value) {
+        result.repeatedForeignEnum_.Add(value);
+        return this;
+      }
+      public Builder AddRangeRepeatedForeignEnum(scg::IEnumerable<global::Google.ProtocolBuffers.TestProtos.ForeignEnum> values) {
+        base.AddRange(values, result.repeatedForeignEnum_);
+        return this;
+      }
+      public Builder ClearRepeatedForeignEnum() {
+        result.repeatedForeignEnum_.Clear();
+        return this;
+      }
+      
+      public scg::IList<global::Google.ProtocolBuffers.TestProtos.ImportEnum> RepeatedImportEnumList {
+        get { return result.repeatedImportEnum_; }
+      }
+      public int RepeatedImportEnumCount {
+        get { return result.RepeatedImportEnumCount; }
+      }
+      public global::Google.ProtocolBuffers.TestProtos.ImportEnum GetRepeatedImportEnum(int index) {
+        return result.GetRepeatedImportEnum(index);
+      }
+      public Builder SetRepeatedImportEnum(int index, global::Google.ProtocolBuffers.TestProtos.ImportEnum value) {
+        result.repeatedImportEnum_[index] = value;
+        return this;
+      }
+      public Builder AddRepeatedImportEnum(global::Google.ProtocolBuffers.TestProtos.ImportEnum value) {
+        result.repeatedImportEnum_.Add(value);
+        return this;
+      }
+      public Builder AddRangeRepeatedImportEnum(scg::IEnumerable<global::Google.ProtocolBuffers.TestProtos.ImportEnum> values) {
+        base.AddRange(values, result.repeatedImportEnum_);
+        return this;
+      }
+      public Builder ClearRepeatedImportEnum() {
+        result.repeatedImportEnum_.Clear();
+        return this;
+      }
+      
+      public scg::IList<string> RepeatedStringPieceList {
+        get { return result.repeatedStringPiece_; }
+      }
+      public int RepeatedStringPieceCount {
+        get { return result.RepeatedStringPieceCount; }
+      }
+      public string GetRepeatedStringPiece(int index) {
+        return result.GetRepeatedStringPiece(index);
+      }
+      public Builder SetRepeatedStringPiece(int index, string value) {
+        result.repeatedStringPiece_[index] = value;
+        return this;
+      }
+      public Builder AddRepeatedStringPiece(string value) {
+        result.repeatedStringPiece_.Add(value);
+        return this;
+      }
+      public Builder AddRangeRepeatedStringPiece(scg::IEnumerable<string> values) {
+        base.AddRange(values, result.repeatedStringPiece_);
+        return this;
+      }
+      public Builder ClearRepeatedStringPiece() {
+        result.repeatedStringPiece_.Clear();
+        return this;
+      }
+      
+      public scg::IList<string> RepeatedCordList {
+        get { return result.repeatedCord_; }
+      }
+      public int RepeatedCordCount {
+        get { return result.RepeatedCordCount; }
+      }
+      public string GetRepeatedCord(int index) {
+        return result.GetRepeatedCord(index);
+      }
+      public Builder SetRepeatedCord(int index, string value) {
+        result.repeatedCord_[index] = value;
+        return this;
+      }
+      public Builder AddRepeatedCord(string value) {
+        result.repeatedCord_.Add(value);
+        return this;
+      }
+      public Builder AddRangeRepeatedCord(scg::IEnumerable<string> values) {
+        base.AddRange(values, result.repeatedCord_);
+        return this;
+      }
+      public Builder ClearRepeatedCord() {
+        result.repeatedCord_.Clear();
+        return this;
+      }
+      
+      public bool HasDefaultInt32 {
+        get { return result.HasDefaultInt32; }
+      }
+      public int DefaultInt32 {
+        get { return result.DefaultInt32; }
+        set { SetDefaultInt32(value); }
+      }
+      public Builder SetDefaultInt32(int value) {
+        result.hasDefaultInt32 = true;
+        result.defaultInt32_ = value;
+        return this;
+      }
+      public Builder ClearDefaultInt32() {
+        result.hasDefaultInt32 = false;
+        result.defaultInt32_ = 41;
+        return this;
+      }
+      
+      public bool HasDefaultInt64 {
+        get { return result.HasDefaultInt64; }
+      }
+      public long DefaultInt64 {
+        get { return result.DefaultInt64; }
+        set { SetDefaultInt64(value); }
+      }
+      public Builder SetDefaultInt64(long value) {
+        result.hasDefaultInt64 = true;
+        result.defaultInt64_ = value;
+        return this;
+      }
+      public Builder ClearDefaultInt64() {
+        result.hasDefaultInt64 = false;
+        result.defaultInt64_ = 42L;
+        return this;
+      }
+      
+      public bool HasDefaultUint32 {
+        get { return result.HasDefaultUint32; }
+      }
+      public uint DefaultUint32 {
+        get { return result.DefaultUint32; }
+        set { SetDefaultUint32(value); }
+      }
+      public Builder SetDefaultUint32(uint value) {
+        result.hasDefaultUint32 = true;
+        result.defaultUint32_ = value;
+        return this;
+      }
+      public Builder ClearDefaultUint32() {
+        result.hasDefaultUint32 = false;
+        result.defaultUint32_ = 43;
+        return this;
+      }
+      
+      public bool HasDefaultUint64 {
+        get { return result.HasDefaultUint64; }
+      }
+      public ulong DefaultUint64 {
+        get { return result.DefaultUint64; }
+        set { SetDefaultUint64(value); }
+      }
+      public Builder SetDefaultUint64(ulong value) {
+        result.hasDefaultUint64 = true;
+        result.defaultUint64_ = value;
+        return this;
+      }
+      public Builder ClearDefaultUint64() {
+        result.hasDefaultUint64 = false;
+        result.defaultUint64_ = 44UL;
+        return this;
+      }
+      
+      public bool HasDefaultSint32 {
+        get { return result.HasDefaultSint32; }
+      }
+      public int DefaultSint32 {
+        get { return result.DefaultSint32; }
+        set { SetDefaultSint32(value); }
+      }
+      public Builder SetDefaultSint32(int value) {
+        result.hasDefaultSint32 = true;
+        result.defaultSint32_ = value;
+        return this;
+      }
+      public Builder ClearDefaultSint32() {
+        result.hasDefaultSint32 = false;
+        result.defaultSint32_ = -45;
+        return this;
+      }
+      
+      public bool HasDefaultSint64 {
+        get { return result.HasDefaultSint64; }
+      }
+      public long DefaultSint64 {
+        get { return result.DefaultSint64; }
+        set { SetDefaultSint64(value); }
+      }
+      public Builder SetDefaultSint64(long value) {
+        result.hasDefaultSint64 = true;
+        result.defaultSint64_ = value;
+        return this;
+      }
+      public Builder ClearDefaultSint64() {
+        result.hasDefaultSint64 = false;
+        result.defaultSint64_ = 46;
+        return this;
+      }
+      
+      public bool HasDefaultFixed32 {
+        get { return result.HasDefaultFixed32; }
+      }
+      public uint DefaultFixed32 {
+        get { return result.DefaultFixed32; }
+        set { SetDefaultFixed32(value); }
+      }
+      public Builder SetDefaultFixed32(uint value) {
+        result.hasDefaultFixed32 = true;
+        result.defaultFixed32_ = value;
+        return this;
+      }
+      public Builder ClearDefaultFixed32() {
+        result.hasDefaultFixed32 = false;
+        result.defaultFixed32_ = 47;
+        return this;
+      }
+      
+      public bool HasDefaultFixed64 {
+        get { return result.HasDefaultFixed64; }
+      }
+      public ulong DefaultFixed64 {
+        get { return result.DefaultFixed64; }
+        set { SetDefaultFixed64(value); }
+      }
+      public Builder SetDefaultFixed64(ulong value) {
+        result.hasDefaultFixed64 = true;
+        result.defaultFixed64_ = value;
+        return this;
+      }
+      public Builder ClearDefaultFixed64() {
+        result.hasDefaultFixed64 = false;
+        result.defaultFixed64_ = 48;
+        return this;
+      }
+      
+      public bool HasDefaultSfixed32 {
+        get { return result.HasDefaultSfixed32; }
+      }
+      public int DefaultSfixed32 {
+        get { return result.DefaultSfixed32; }
+        set { SetDefaultSfixed32(value); }
+      }
+      public Builder SetDefaultSfixed32(int value) {
+        result.hasDefaultSfixed32 = true;
+        result.defaultSfixed32_ = value;
+        return this;
+      }
+      public Builder ClearDefaultSfixed32() {
+        result.hasDefaultSfixed32 = false;
+        result.defaultSfixed32_ = 49;
+        return this;
+      }
+      
+      public bool HasDefaultSfixed64 {
+        get { return result.HasDefaultSfixed64; }
+      }
+      public long DefaultSfixed64 {
+        get { return result.DefaultSfixed64; }
+        set { SetDefaultSfixed64(value); }
+      }
+      public Builder SetDefaultSfixed64(long value) {
+        result.hasDefaultSfixed64 = true;
+        result.defaultSfixed64_ = value;
+        return this;
+      }
+      public Builder ClearDefaultSfixed64() {
+        result.hasDefaultSfixed64 = false;
+        result.defaultSfixed64_ = -50;
+        return this;
+      }
+      
+      public bool HasDefaultFloat {
+        get { return result.HasDefaultFloat; }
+      }
+      public float DefaultFloat {
+        get { return result.DefaultFloat; }
+        set { SetDefaultFloat(value); }
+      }
+      public Builder SetDefaultFloat(float value) {
+        result.hasDefaultFloat = true;
+        result.defaultFloat_ = value;
+        return this;
+      }
+      public Builder ClearDefaultFloat() {
+        result.hasDefaultFloat = false;
+        result.defaultFloat_ = 51.5F;
+        return this;
+      }
+      
+      public bool HasDefaultDouble {
+        get { return result.HasDefaultDouble; }
+      }
+      public double DefaultDouble {
+        get { return result.DefaultDouble; }
+        set { SetDefaultDouble(value); }
+      }
+      public Builder SetDefaultDouble(double value) {
+        result.hasDefaultDouble = true;
+        result.defaultDouble_ = value;
+        return this;
+      }
+      public Builder ClearDefaultDouble() {
+        result.hasDefaultDouble = false;
+        result.defaultDouble_ = 52000D;
+        return this;
+      }
+      
+      public bool HasDefaultBool {
+        get { return result.HasDefaultBool; }
+      }
+      public bool DefaultBool {
+        get { return result.DefaultBool; }
+        set { SetDefaultBool(value); }
+      }
+      public Builder SetDefaultBool(bool value) {
+        result.hasDefaultBool = true;
+        result.defaultBool_ = value;
+        return this;
+      }
+      public Builder ClearDefaultBool() {
+        result.hasDefaultBool = false;
+        result.defaultBool_ = true;
+        return this;
+      }
+      
+      public bool HasDefaultString {
+        get { return result.HasDefaultString; }
+      }
+      public string DefaultString {
+        get { return result.DefaultString; }
+        set { SetDefaultString(value); }
+      }
+      public Builder SetDefaultString(string value) {
+        result.hasDefaultString = true;
+        result.defaultString_ = value;
+        return this;
+      }
+      public Builder ClearDefaultString() {
+        result.hasDefaultString = false;
+        result.defaultString_ = "hello";
+        return this;
+      }
+      
+      public bool HasDefaultBytes {
+        get { return result.HasDefaultBytes; }
+      }
+      public pb::ByteString DefaultBytes {
+        get { return result.DefaultBytes; }
+        set { SetDefaultBytes(value); }
+      }
+      public Builder SetDefaultBytes(pb::ByteString value) {
+        result.hasDefaultBytes = true;
+        result.defaultBytes_ = value;
+        return this;
+      }
+      public Builder ClearDefaultBytes() {
+        result.hasDefaultBytes = false;
+        result.defaultBytes_ = (pb::ByteString) global::Google.ProtocolBuffers.TestProtos.TestAllTypes.Descriptor.Fields[62].DefaultValue;
+        return this;
+      }
+      
+      public bool HasDefaultNestedEnum {
+       get { return result.HasDefaultNestedEnum; }
+      }
+      public global::Google.ProtocolBuffers.TestProtos.TestAllTypes.Types.NestedEnum DefaultNestedEnum {
+        get { return result.DefaultNestedEnum; }
+        set { SetDefaultNestedEnum(value); }
+      }
+      public Builder SetDefaultNestedEnum(global::Google.ProtocolBuffers.TestProtos.TestAllTypes.Types.NestedEnum value) {
+        result.hasDefaultNestedEnum = true;
+        result.defaultNestedEnum_ = value;
+        return this;
+      }
+      public Builder ClearDefaultNestedEnum() {
+        result.hasDefaultNestedEnum = false;
+        result.defaultNestedEnum_ = global::Google.ProtocolBuffers.TestProtos.TestAllTypes.Types.NestedEnum.BAR;
+        return this;
+      }
+      
+      public bool HasDefaultForeignEnum {
+       get { return result.HasDefaultForeignEnum; }
+      }
+      public global::Google.ProtocolBuffers.TestProtos.ForeignEnum DefaultForeignEnum {
+        get { return result.DefaultForeignEnum; }
+        set { SetDefaultForeignEnum(value); }
+      }
+      public Builder SetDefaultForeignEnum(global::Google.ProtocolBuffers.TestProtos.ForeignEnum value) {
+        result.hasDefaultForeignEnum = true;
+        result.defaultForeignEnum_ = value;
+        return this;
+      }
+      public Builder ClearDefaultForeignEnum() {
+        result.hasDefaultForeignEnum = false;
+        result.defaultForeignEnum_ = global::Google.ProtocolBuffers.TestProtos.ForeignEnum.FOREIGN_BAR;
+        return this;
+      }
+      
+      public bool HasDefaultImportEnum {
+       get { return result.HasDefaultImportEnum; }
+      }
+      public global::Google.ProtocolBuffers.TestProtos.ImportEnum DefaultImportEnum {
+        get { return result.DefaultImportEnum; }
+        set { SetDefaultImportEnum(value); }
+      }
+      public Builder SetDefaultImportEnum(global::Google.ProtocolBuffers.TestProtos.ImportEnum value) {
+        result.hasDefaultImportEnum = true;
+        result.defaultImportEnum_ = value;
+        return this;
+      }
+      public Builder ClearDefaultImportEnum() {
+        result.hasDefaultImportEnum = false;
+        result.defaultImportEnum_ = global::Google.ProtocolBuffers.TestProtos.ImportEnum.IMPORT_BAR;
+        return this;
+      }
+      
+      public bool HasDefaultStringPiece {
+        get { return result.HasDefaultStringPiece; }
+      }
+      public string DefaultStringPiece {
+        get { return result.DefaultStringPiece; }
+        set { SetDefaultStringPiece(value); }
+      }
+      public Builder SetDefaultStringPiece(string value) {
+        result.hasDefaultStringPiece = true;
+        result.defaultStringPiece_ = value;
+        return this;
+      }
+      public Builder ClearDefaultStringPiece() {
+        result.hasDefaultStringPiece = false;
+        result.defaultStringPiece_ = "abc";
+        return this;
+      }
+      
+      public bool HasDefaultCord {
+        get { return result.HasDefaultCord; }
+      }
+      public string DefaultCord {
+        get { return result.DefaultCord; }
+        set { SetDefaultCord(value); }
+      }
+      public Builder SetDefaultCord(string value) {
+        result.hasDefaultCord = true;
+        result.defaultCord_ = value;
+        return this;
+      }
+      public Builder ClearDefaultCord() {
+        result.hasDefaultCord = false;
+        result.defaultCord_ = "123";
+        return this;
+      }
+    }
+  }
+  
+  public sealed partial class ForeignMessage : pb::GeneratedMessage<ForeignMessage, ForeignMessage.Builder> {
+    private static readonly ForeignMessage defaultInstance = new Builder().BuildPartial();
+    public static ForeignMessage DefaultInstance {
+      get { return defaultInstance; }
+    }
+    
+    public override ForeignMessage DefaultInstanceForType {
+      get { return defaultInstance; }
+    }
+    
+    protected override ForeignMessage ThisMessage {
+      get { return this; }
+    }
+    
+    public static pbd::MessageDescriptor Descriptor {
+      get { return global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.internal__static_protobuf_unittest_ForeignMessage__Descriptor; }
+    }
+    
+    protected override pb::FieldAccess.FieldAccessorTable<ForeignMessage, ForeignMessage.Builder> InternalFieldAccessors {
+      get { return global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.internal__static_protobuf_unittest_ForeignMessage__FieldAccessorTable; }
+    }
+    
+    private bool hasC;
+    private int c_ = 0;
+    public bool HasC {
+      get { return hasC; }
+    }
+    public int C {
+      get { return c_; }
+    }
+    
+    public override bool IsInitialized {
+      get {
+        return true;
+      }
+    }
+    
+    public override void WriteTo(pb::CodedOutputStream output) {
+      if (HasC) {
+        output.WriteInt32(1, C);
+      }
+      UnknownFields.WriteTo(output);
+    }
+    
+    private int memoizedSerializedSize = -1;
+    public override int SerializedSize {
+      get {
+        int size = memoizedSerializedSize;
+        if (size != -1) return size;
+        
+        size = 0;
+        if (HasC) {
+          size += pb::CodedOutputStream.ComputeInt32Size(1, C);
+        }
+        size += UnknownFields.SerializedSize;
+        memoizedSerializedSize = size;
+        return size;
+      }
+    }
+    
+    public static ForeignMessage ParseFrom(pb::ByteString data) {
+      return ((Builder) CreateBuilder().MergeFrom(data)).BuildParsed();
+    }
+    public static ForeignMessage ParseFrom(pb::ByteString data, pb::ExtensionRegistry extensionRegistry) {
+      return ((Builder) CreateBuilder().MergeFrom(data, extensionRegistry)).BuildParsed();
+    }
+    public static ForeignMessage ParseFrom(byte[] data) {
+      return ((Builder) CreateBuilder().MergeFrom(data)).BuildParsed();
+    }
+    public static ForeignMessage ParseFrom(byte[] data, pb::ExtensionRegistry extensionRegistry) {
+      return ((Builder) CreateBuilder().MergeFrom(data, extensionRegistry)).BuildParsed();
+    }
+    public static ForeignMessage ParseFrom(global::System.IO.Stream input) {
+      return ((Builder) CreateBuilder().MergeFrom(input)).BuildParsed();
+    }
+    public static ForeignMessage ParseFrom(global::System.IO.Stream input, pb::ExtensionRegistry extensionRegistry) {
+      return ((Builder) CreateBuilder().MergeFrom(input, extensionRegistry)).BuildParsed();
+    }
+    public static ForeignMessage ParseFrom(pb::CodedInputStream input) {
+      return ((Builder) CreateBuilder().MergeFrom(input)).BuildParsed();
+    }
+    public static ForeignMessage ParseFrom(pb::CodedInputStream input, pb::ExtensionRegistry extensionRegistry) {
+      return ((Builder) CreateBuilder().MergeFrom(input, extensionRegistry)).BuildParsed();
+    }
+    public static Builder CreateBuilder() { return new Builder(); }
+    public override Builder CreateBuilderForType() { return new Builder(); }
+    public static Builder CreateBuilder(ForeignMessage prototype) {
+      return (Builder) new Builder().MergeFrom(prototype);
+    }
+    
+    public sealed partial class Builder : pb::GeneratedBuilder<ForeignMessage, Builder> {
+      protected override Builder ThisBuilder {
+        get { return this; }
+      }
+      public Builder() {}
+      
+      ForeignMessage result = new ForeignMessage();
+      
+      protected override ForeignMessage MessageBeingBuilt {
+        get { return result; }
+      }
+      
+      public override Builder Clear() {
+        result = new ForeignMessage();
+        return this;
+      }
+      
+      public override Builder Clone() {
+        return new Builder().MergeFrom(result);
+      }
+      
+      public override pbd::MessageDescriptor DescriptorForType {
+        get { return ForeignMessage.Descriptor; }
+      }
+      
+      public override ForeignMessage DefaultInstanceForType {
+        get { return ForeignMessage.DefaultInstance; }
+      }
+      
+      public override ForeignMessage BuildPartial() {
+        ForeignMessage returnMe = result;
+        result = null;
+        return returnMe;
+      }
+      
+      public override Builder MergeFrom(pb::IMessage other) {
+        if (other is ForeignMessage) {
+          return MergeFrom((ForeignMessage) other);
+        } else {
+          base.MergeFrom(other);
+          return this;
+        }
+      }
+      
+      public override Builder MergeFrom(ForeignMessage other) {
+        if (other == ForeignMessage.DefaultInstance) return this;
+        if (other.HasC) {
+          C = other.C;
+        }
+        this.MergeUnknownFields(other.UnknownFields);
+        return this;
+      }
+      
+      public override Builder MergeFrom(pb::CodedInputStream input) {
+        return MergeFrom(input, pb::ExtensionRegistry.Empty);
+      }
+      
+      public override Builder MergeFrom(pb::CodedInputStream input, pb::ExtensionRegistry extensionRegistry) {
+        pb::UnknownFieldSet.Builder unknownFields = pb::UnknownFieldSet.CreateBuilder(this.UnknownFields);
+        while (true) {
+          uint tag = input.ReadTag();
+          switch (tag) {
+            case 0: {
+              this.UnknownFields = unknownFields.Build();
+              return this;
+            }
+            default: {
+              if (!ParseUnknownField(input, unknownFields, extensionRegistry, tag)) {
+                this.UnknownFields = unknownFields.Build();
+                return this;
+              }
+              break;
+            }
+            case 8: {
+              C = input.ReadInt32();
+              break;
+            }
+          }
+        }
+      }
+      
+      
+      public bool HasC {
+        get { return result.HasC; }
+      }
+      public int C {
+        get { return result.C; }
+        set { SetC(value); }
+      }
+      public Builder SetC(int value) {
+        result.hasC = true;
+        result.c_ = value;
+        return this;
+      }
+      public Builder ClearC() {
+        result.hasC = false;
+        result.c_ = 0;
+        return this;
+      }
+    }
+  }
+  
+  public sealed partial class TestAllExtensions : pb::ExtendableMessage<TestAllExtensions, TestAllExtensions.Builder> {
+    private static readonly TestAllExtensions defaultInstance = new Builder().BuildPartial();
+    public static TestAllExtensions DefaultInstance {
+      get { return defaultInstance; }
+    }
+    
+    public override TestAllExtensions DefaultInstanceForType {
+      get { return defaultInstance; }
+    }
+    
+    protected override TestAllExtensions ThisMessage {
+      get { return this; }
+    }
+    
+    public static pbd::MessageDescriptor Descriptor {
+      get { return global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.internal__static_protobuf_unittest_TestAllExtensions__Descriptor; }
+    }
+    
+    protected override pb::FieldAccess.FieldAccessorTable<TestAllExtensions, TestAllExtensions.Builder> InternalFieldAccessors {
+      get { return global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.internal__static_protobuf_unittest_TestAllExtensions__FieldAccessorTable; }
+    }
+    
+    public override bool IsInitialized {
+      get {
+        if (!ExtensionsAreInitialized) return false;
+        return true;
+      }
+    }
+    
+    public override void WriteTo(pb::CodedOutputStream output) {
+      pb::ExtendableMessage<TestAllExtensions, TestAllExtensions.Builder>.ExtensionWriter extensionWriter = CreateExtensionWriter(this);
+      extensionWriter.WriteUntil(536870912, output);
+      UnknownFields.WriteTo(output);
+    }
+    
+    private int memoizedSerializedSize = -1;
+    public override int SerializedSize {
+      get {
+        int size = memoizedSerializedSize;
+        if (size != -1) return size;
+        
+        size = 0;
+        size += ExtensionsSerializedSize;
+        size += UnknownFields.SerializedSize;
+        memoizedSerializedSize = size;
+        return size;
+      }
+    }
+    
+    public static TestAllExtensions ParseFrom(pb::ByteString data) {
+      return ((Builder) CreateBuilder().MergeFrom(data)).BuildParsed();
+    }
+    public static TestAllExtensions ParseFrom(pb::ByteString data, pb::ExtensionRegistry extensionRegistry) {
+      return ((Builder) CreateBuilder().MergeFrom(data, extensionRegistry)).BuildParsed();
+    }
+    public static TestAllExtensions ParseFrom(byte[] data) {
+      return ((Builder) CreateBuilder().MergeFrom(data)).BuildParsed();
+    }
+    public static TestAllExtensions ParseFrom(byte[] data, pb::ExtensionRegistry extensionRegistry) {
+      return ((Builder) CreateBuilder().MergeFrom(data, extensionRegistry)).BuildParsed();
+    }
+    public static TestAllExtensions ParseFrom(global::System.IO.Stream input) {
+      return ((Builder) CreateBuilder().MergeFrom(input)).BuildParsed();
+    }
+    public static TestAllExtensions ParseFrom(global::System.IO.Stream input, pb::ExtensionRegistry extensionRegistry) {
+      return ((Builder) CreateBuilder().MergeFrom(input, extensionRegistry)).BuildParsed();
+    }
+    public static TestAllExtensions ParseFrom(pb::CodedInputStream input) {
+      return ((Builder) CreateBuilder().MergeFrom(input)).BuildParsed();
+    }
+    public static TestAllExtensions ParseFrom(pb::CodedInputStream input, pb::ExtensionRegistry extensionRegistry) {
+      return ((Builder) CreateBuilder().MergeFrom(input, extensionRegistry)).BuildParsed();
+    }
+    public static Builder CreateBuilder() { return new Builder(); }
+    public override Builder CreateBuilderForType() { return new Builder(); }
+    public static Builder CreateBuilder(TestAllExtensions prototype) {
+      return (Builder) new Builder().MergeFrom(prototype);
+    }
+    
+    public sealed partial class Builder : pb::ExtendableBuilder<TestAllExtensions, Builder> {
+      protected override Builder ThisBuilder {
+        get { return this; }
+      }
+      public Builder() {}
+      
+      TestAllExtensions result = new TestAllExtensions();
+      
+      protected override TestAllExtensions MessageBeingBuilt {
+        get { return result; }
+      }
+      
+      public override Builder Clear() {
+        result = new TestAllExtensions();
+        return this;
+      }
+      
+      public override Builder Clone() {
+        return new Builder().MergeFrom(result);
+      }
+      
+      public override pbd::MessageDescriptor DescriptorForType {
+        get { return TestAllExtensions.Descriptor; }
+      }
+      
+      public override TestAllExtensions DefaultInstanceForType {
+        get { return TestAllExtensions.DefaultInstance; }
+      }
+      
+      public override TestAllExtensions BuildPartial() {
+        TestAllExtensions returnMe = result;
+        result = null;
+        return returnMe;
+      }
+      
+      public override Builder MergeFrom(pb::IMessage other) {
+        if (other is TestAllExtensions) {
+          return MergeFrom((TestAllExtensions) other);
+        } else {
+          base.MergeFrom(other);
+          return this;
+        }
+      }
+      
+      public override Builder MergeFrom(TestAllExtensions other) {
+        if (other == TestAllExtensions.DefaultInstance) return this;
+        this.MergeUnknownFields(other.UnknownFields);
+        return this;
+      }
+      
+      public override Builder MergeFrom(pb::CodedInputStream input) {
+        return MergeFrom(input, pb::ExtensionRegistry.Empty);
+      }
+      
+      public override Builder MergeFrom(pb::CodedInputStream input, pb::ExtensionRegistry extensionRegistry) {
+        pb::UnknownFieldSet.Builder unknownFields = pb::UnknownFieldSet.CreateBuilder(this.UnknownFields);
+        while (true) {
+          uint tag = input.ReadTag();
+          switch (tag) {
+            case 0: {
+              this.UnknownFields = unknownFields.Build();
+              return this;
+            }
+            default: {
+              if (!ParseUnknownField(input, unknownFields, extensionRegistry, tag)) {
+                this.UnknownFields = unknownFields.Build();
+                return this;
+              }
+              break;
+            }
+          }
+        }
+      }
+      
+    }
+  }
+  
+  public sealed partial class OptionalGroup_extension : pb::GeneratedMessage<OptionalGroup_extension, OptionalGroup_extension.Builder> {
+    private static readonly OptionalGroup_extension defaultInstance = new Builder().BuildPartial();
+    public static OptionalGroup_extension DefaultInstance {
+      get { return defaultInstance; }
+    }
+    
+    public override OptionalGroup_extension DefaultInstanceForType {
+      get { return defaultInstance; }
+    }
+    
+    protected override OptionalGroup_extension ThisMessage {
+      get { return this; }
+    }
+    
+    public static pbd::MessageDescriptor Descriptor {
+      get { return global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.internal__static_protobuf_unittest_OptionalGroup_extension__Descriptor; }
+    }
+    
+    protected override pb::FieldAccess.FieldAccessorTable<OptionalGroup_extension, OptionalGroup_extension.Builder> InternalFieldAccessors {
+      get { return global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.internal__static_protobuf_unittest_OptionalGroup_extension__FieldAccessorTable; }
+    }
+    
+    private bool hasA;
+    private int a_ = 0;
+    public bool HasA {
+      get { return hasA; }
+    }
+    public int A {
+      get { return a_; }
+    }
+    
+    public override bool IsInitialized {
+      get {
+        return true;
+      }
+    }
+    
+    public override void WriteTo(pb::CodedOutputStream output) {
+      if (HasA) {
+        output.WriteInt32(17, A);
+      }
+      UnknownFields.WriteTo(output);
+    }
+    
+    private int memoizedSerializedSize = -1;
+    public override int SerializedSize {
+      get {
+        int size = memoizedSerializedSize;
+        if (size != -1) return size;
+        
+        size = 0;
+        if (HasA) {
+          size += pb::CodedOutputStream.ComputeInt32Size(17, A);
+        }
+        size += UnknownFields.SerializedSize;
+        memoizedSerializedSize = size;
+        return size;
+      }
+    }
+    
+    public static OptionalGroup_extension ParseFrom(pb::ByteString data) {
+      return ((Builder) CreateBuilder().MergeFrom(data)).BuildParsed();
+    }
+    public static OptionalGroup_extension ParseFrom(pb::ByteString data, pb::ExtensionRegistry extensionRegistry) {
+      return ((Builder) CreateBuilder().MergeFrom(data, extensionRegistry)).BuildParsed();
+    }
+    public static OptionalGroup_extension ParseFrom(byte[] data) {
+      return ((Builder) CreateBuilder().MergeFrom(data)).BuildParsed();
+    }
+    public static OptionalGroup_extension ParseFrom(byte[] data, pb::ExtensionRegistry extensionRegistry) {
+      return ((Builder) CreateBuilder().MergeFrom(data, extensionRegistry)).BuildParsed();
+    }
+    public static OptionalGroup_extension ParseFrom(global::System.IO.Stream input) {
+      return ((Builder) CreateBuilder().MergeFrom(input)).BuildParsed();
+    }
+    public static OptionalGroup_extension ParseFrom(global::System.IO.Stream input, pb::ExtensionRegistry extensionRegistry) {
+      return ((Builder) CreateBuilder().MergeFrom(input, extensionRegistry)).BuildParsed();
+    }
+    public static OptionalGroup_extension ParseFrom(pb::CodedInputStream input) {
+      return ((Builder) CreateBuilder().MergeFrom(input)).BuildParsed();
+    }
+    public static OptionalGroup_extension ParseFrom(pb::CodedInputStream input, pb::ExtensionRegistry extensionRegistry) {
+      return ((Builder) CreateBuilder().MergeFrom(input, extensionRegistry)).BuildParsed();
+    }
+    public static Builder CreateBuilder() { return new Builder(); }
+    public override Builder CreateBuilderForType() { return new Builder(); }
+    public static Builder CreateBuilder(OptionalGroup_extension prototype) {
+      return (Builder) new Builder().MergeFrom(prototype);
+    }
+    
+    public sealed partial class Builder : pb::GeneratedBuilder<OptionalGroup_extension, Builder> {
+      protected override Builder ThisBuilder {
+        get { return this; }
+      }
+      public Builder() {}
+      
+      OptionalGroup_extension result = new OptionalGroup_extension();
+      
+      protected override OptionalGroup_extension MessageBeingBuilt {
+        get { return result; }
+      }
+      
+      public override Builder Clear() {
+        result = new OptionalGroup_extension();
+        return this;
+      }
+      
+      public override Builder Clone() {
+        return new Builder().MergeFrom(result);
+      }
+      
+      public override pbd::MessageDescriptor DescriptorForType {
+        get { return OptionalGroup_extension.Descriptor; }
+      }
+      
+      public override OptionalGroup_extension DefaultInstanceForType {
+        get { return OptionalGroup_extension.DefaultInstance; }
+      }
+      
+      public override OptionalGroup_extension BuildPartial() {
+        OptionalGroup_extension returnMe = result;
+        result = null;
+        return returnMe;
+      }
+      
+      public override Builder MergeFrom(pb::IMessage other) {
+        if (other is OptionalGroup_extension) {
+          return MergeFrom((OptionalGroup_extension) other);
+        } else {
+          base.MergeFrom(other);
+          return this;
+        }
+      }
+      
+      public override Builder MergeFrom(OptionalGroup_extension other) {
+        if (other == OptionalGroup_extension.DefaultInstance) return this;
+        if (other.HasA) {
+          A = other.A;
+        }
+        this.MergeUnknownFields(other.UnknownFields);
+        return this;
+      }
+      
+      public override Builder MergeFrom(pb::CodedInputStream input) {
+        return MergeFrom(input, pb::ExtensionRegistry.Empty);
+      }
+      
+      public override Builder MergeFrom(pb::CodedInputStream input, pb::ExtensionRegistry extensionRegistry) {
+        pb::UnknownFieldSet.Builder unknownFields = pb::UnknownFieldSet.CreateBuilder(this.UnknownFields);
+        while (true) {
+          uint tag = input.ReadTag();
+          switch (tag) {
+            case 0: {
+              this.UnknownFields = unknownFields.Build();
+              return this;
+            }
+            default: {
+              if (!ParseUnknownField(input, unknownFields, extensionRegistry, tag)) {
+                this.UnknownFields = unknownFields.Build();
+                return this;
+              }
+              break;
+            }
+            case 136: {
+              A = input.ReadInt32();
+              break;
+            }
+          }
+        }
+      }
+      
+      
+      public bool HasA {
+        get { return result.HasA; }
+      }
+      public int A {
+        get { return result.A; }
+        set { SetA(value); }
+      }
+      public Builder SetA(int value) {
+        result.hasA = true;
+        result.a_ = value;
+        return this;
+      }
+      public Builder ClearA() {
+        result.hasA = false;
+        result.a_ = 0;
+        return this;
+      }
+    }
+  }
+  
+  public sealed partial class RepeatedGroup_extension : pb::GeneratedMessage<RepeatedGroup_extension, RepeatedGroup_extension.Builder> {
+    private static readonly RepeatedGroup_extension defaultInstance = new Builder().BuildPartial();
+    public static RepeatedGroup_extension DefaultInstance {
+      get { return defaultInstance; }
+    }
+    
+    public override RepeatedGroup_extension DefaultInstanceForType {
+      get { return defaultInstance; }
+    }
+    
+    protected override RepeatedGroup_extension ThisMessage {
+      get { return this; }
+    }
+    
+    public static pbd::MessageDescriptor Descriptor {
+      get { return global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.internal__static_protobuf_unittest_RepeatedGroup_extension__Descriptor; }
+    }
+    
+    protected override pb::FieldAccess.FieldAccessorTable<RepeatedGroup_extension, RepeatedGroup_extension.Builder> InternalFieldAccessors {
+      get { return global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.internal__static_protobuf_unittest_RepeatedGroup_extension__FieldAccessorTable; }
+    }
+    
+    private bool hasA;
+    private int a_ = 0;
+    public bool HasA {
+      get { return hasA; }
+    }
+    public int A {
+      get { return a_; }
+    }
+    
+    public override bool IsInitialized {
+      get {
+        return true;
+      }
+    }
+    
+    public override void WriteTo(pb::CodedOutputStream output) {
+      if (HasA) {
+        output.WriteInt32(47, A);
+      }
+      UnknownFields.WriteTo(output);
+    }
+    
+    private int memoizedSerializedSize = -1;
+    public override int SerializedSize {
+      get {
+        int size = memoizedSerializedSize;
+        if (size != -1) return size;
+        
+        size = 0;
+        if (HasA) {
+          size += pb::CodedOutputStream.ComputeInt32Size(47, A);
+        }
+        size += UnknownFields.SerializedSize;
+        memoizedSerializedSize = size;
+        return size;
+      }
+    }
+    
+    public static RepeatedGroup_extension ParseFrom(pb::ByteString data) {
+      return ((Builder) CreateBuilder().MergeFrom(data)).BuildParsed();
+    }
+    public static RepeatedGroup_extension ParseFrom(pb::ByteString data, pb::ExtensionRegistry extensionRegistry) {
+      return ((Builder) CreateBuilder().MergeFrom(data, extensionRegistry)).BuildParsed();
+    }
+    public static RepeatedGroup_extension ParseFrom(byte[] data) {
+      return ((Builder) CreateBuilder().MergeFrom(data)).BuildParsed();
+    }
+    public static RepeatedGroup_extension ParseFrom(byte[] data, pb::ExtensionRegistry extensionRegistry) {
+      return ((Builder) CreateBuilder().MergeFrom(data, extensionRegistry)).BuildParsed();
+    }
+    public static RepeatedGroup_extension ParseFrom(global::System.IO.Stream input) {
+      return ((Builder) CreateBuilder().MergeFrom(input)).BuildParsed();
+    }
+    public static RepeatedGroup_extension ParseFrom(global::System.IO.Stream input, pb::ExtensionRegistry extensionRegistry) {
+      return ((Builder) CreateBuilder().MergeFrom(input, extensionRegistry)).BuildParsed();
+    }
+    public static RepeatedGroup_extension ParseFrom(pb::CodedInputStream input) {
+      return ((Builder) CreateBuilder().MergeFrom(input)).BuildParsed();
+    }
+    public static RepeatedGroup_extension ParseFrom(pb::CodedInputStream input, pb::ExtensionRegistry extensionRegistry) {
+      return ((Builder) CreateBuilder().MergeFrom(input, extensionRegistry)).BuildParsed();
+    }
+    public static Builder CreateBuilder() { return new Builder(); }
+    public override Builder CreateBuilderForType() { return new Builder(); }
+    public static Builder CreateBuilder(RepeatedGroup_extension prototype) {
+      return (Builder) new Builder().MergeFrom(prototype);
+    }
+    
+    public sealed partial class Builder : pb::GeneratedBuilder<RepeatedGroup_extension, Builder> {
+      protected override Builder ThisBuilder {
+        get { return this; }
+      }
+      public Builder() {}
+      
+      RepeatedGroup_extension result = new RepeatedGroup_extension();
+      
+      protected override RepeatedGroup_extension MessageBeingBuilt {
+        get { return result; }
+      }
+      
+      public override Builder Clear() {
+        result = new RepeatedGroup_extension();
+        return this;
+      }
+      
+      public override Builder Clone() {
+        return new Builder().MergeFrom(result);
+      }
+      
+      public override pbd::MessageDescriptor DescriptorForType {
+        get { return RepeatedGroup_extension.Descriptor; }
+      }
+      
+      public override RepeatedGroup_extension DefaultInstanceForType {
+        get { return RepeatedGroup_extension.DefaultInstance; }
+      }
+      
+      public override RepeatedGroup_extension BuildPartial() {
+        RepeatedGroup_extension returnMe = result;
+        result = null;
+        return returnMe;
+      }
+      
+      public override Builder MergeFrom(pb::IMessage other) {
+        if (other is RepeatedGroup_extension) {
+          return MergeFrom((RepeatedGroup_extension) other);
+        } else {
+          base.MergeFrom(other);
+          return this;
+        }
+      }
+      
+      public override Builder MergeFrom(RepeatedGroup_extension other) {
+        if (other == RepeatedGroup_extension.DefaultInstance) return this;
+        if (other.HasA) {
+          A = other.A;
+        }
+        this.MergeUnknownFields(other.UnknownFields);
+        return this;
+      }
+      
+      public override Builder MergeFrom(pb::CodedInputStream input) {
+        return MergeFrom(input, pb::ExtensionRegistry.Empty);
+      }
+      
+      public override Builder MergeFrom(pb::CodedInputStream input, pb::ExtensionRegistry extensionRegistry) {
+        pb::UnknownFieldSet.Builder unknownFields = pb::UnknownFieldSet.CreateBuilder(this.UnknownFields);
+        while (true) {
+          uint tag = input.ReadTag();
+          switch (tag) {
+            case 0: {
+              this.UnknownFields = unknownFields.Build();
+              return this;
+            }
+            default: {
+              if (!ParseUnknownField(input, unknownFields, extensionRegistry, tag)) {
+                this.UnknownFields = unknownFields.Build();
+                return this;
+              }
+              break;
+            }
+            case 376: {
+              A = input.ReadInt32();
+              break;
+            }
+          }
+        }
+      }
+      
+      
+      public bool HasA {
+        get { return result.HasA; }
+      }
+      public int A {
+        get { return result.A; }
+        set { SetA(value); }
+      }
+      public Builder SetA(int value) {
+        result.hasA = true;
+        result.a_ = value;
+        return this;
+      }
+      public Builder ClearA() {
+        result.hasA = false;
+        result.a_ = 0;
+        return this;
+      }
+    }
+  }
+  
+  public sealed partial class TestRequired : pb::GeneratedMessage<TestRequired, TestRequired.Builder> {
+    private static readonly TestRequired defaultInstance = new Builder().BuildPartial();
+    public static TestRequired DefaultInstance {
+      get { return defaultInstance; }
+    }
+    
+    public override TestRequired DefaultInstanceForType {
+      get { return defaultInstance; }
+    }
+    
+    protected override TestRequired ThisMessage {
+      get { return this; }
+    }
+    
+    public static pbd::MessageDescriptor Descriptor {
+      get { return global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.internal__static_protobuf_unittest_TestRequired__Descriptor; }
+    }
+    
+    protected override pb::FieldAccess.FieldAccessorTable<TestRequired, TestRequired.Builder> InternalFieldAccessors {
+      get { return global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.internal__static_protobuf_unittest_TestRequired__FieldAccessorTable; }
+    }
+    
+    public static readonly pb::GeneratedExtensionBase<global::Google.ProtocolBuffers.TestProtos.TestRequired> Single =
+        pb::GeneratedSingleExtension<global::Google.ProtocolBuffers.TestProtos.TestRequired>.CreateInstance(Descriptor.Extensions[0]);
+    public static readonly
+        pb::GeneratedExtensionBase<scg::IList<global::Google.ProtocolBuffers.TestProtos.TestRequired>> Multi =
+        pb::GeneratedRepeatExtension<global::Google.ProtocolBuffers.TestProtos.TestRequired>.CreateInstance(Descriptor.Extensions[1]);
+    private bool hasA;
+    private int a_ = 0;
+    public bool HasA {
+      get { return hasA; }
+    }
+    public int A {
+      get { return a_; }
+    }
+    
+    private bool hasDummy2;
+    private int dummy2_ = 0;
+    public bool HasDummy2 {
+      get { return hasDummy2; }
+    }
+    public int Dummy2 {
+      get { return dummy2_; }
+    }
+    
+    private bool hasB;
+    private int b_ = 0;
+    public bool HasB {
+      get { return hasB; }
+    }
+    public int B {
+      get { return b_; }
+    }
+    
+    private bool hasDummy4;
+    private int dummy4_ = 0;
+    public bool HasDummy4 {
+      get { return hasDummy4; }
+    }
+    public int Dummy4 {
+      get { return dummy4_; }
+    }
+    
+    private bool hasDummy5;
+    private int dummy5_ = 0;
+    public bool HasDummy5 {
+      get { return hasDummy5; }
+    }
+    public int Dummy5 {
+      get { return dummy5_; }
+    }
+    
+    private bool hasDummy6;
+    private int dummy6_ = 0;
+    public bool HasDummy6 {
+      get { return hasDummy6; }
+    }
+    public int Dummy6 {
+      get { return dummy6_; }
+    }
+    
+    private bool hasDummy7;
+    private int dummy7_ = 0;
+    public bool HasDummy7 {
+      get { return hasDummy7; }
+    }
+    public int Dummy7 {
+      get { return dummy7_; }
+    }
+    
+    private bool hasDummy8;
+    private int dummy8_ = 0;
+    public bool HasDummy8 {
+      get { return hasDummy8; }
+    }
+    public int Dummy8 {
+      get { return dummy8_; }
+    }
+    
+    private bool hasDummy9;
+    private int dummy9_ = 0;
+    public bool HasDummy9 {
+      get { return hasDummy9; }
+    }
+    public int Dummy9 {
+      get { return dummy9_; }
+    }
+    
+    private bool hasDummy10;
+    private int dummy10_ = 0;
+    public bool HasDummy10 {
+      get { return hasDummy10; }
+    }
+    public int Dummy10 {
+      get { return dummy10_; }
+    }
+    
+    private bool hasDummy11;
+    private int dummy11_ = 0;
+    public bool HasDummy11 {
+      get { return hasDummy11; }
+    }
+    public int Dummy11 {
+      get { return dummy11_; }
+    }
+    
+    private bool hasDummy12;
+    private int dummy12_ = 0;
+    public bool HasDummy12 {
+      get { return hasDummy12; }
+    }
+    public int Dummy12 {
+      get { return dummy12_; }
+    }
+    
+    private bool hasDummy13;
+    private int dummy13_ = 0;
+    public bool HasDummy13 {
+      get { return hasDummy13; }
+    }
+    public int Dummy13 {
+      get { return dummy13_; }
+    }
+    
+    private bool hasDummy14;
+    private int dummy14_ = 0;
+    public bool HasDummy14 {
+      get { return hasDummy14; }
+    }
+    public int Dummy14 {
+      get { return dummy14_; }
+    }
+    
+    private bool hasDummy15;
+    private int dummy15_ = 0;
+    public bool HasDummy15 {
+      get { return hasDummy15; }
+    }
+    public int Dummy15 {
+      get { return dummy15_; }
+    }
+    
+    private bool hasDummy16;
+    private int dummy16_ = 0;
+    public bool HasDummy16 {
+      get { return hasDummy16; }
+    }
+    public int Dummy16 {
+      get { return dummy16_; }
+    }
+    
+    private bool hasDummy17;
+    private int dummy17_ = 0;
+    public bool HasDummy17 {
+      get { return hasDummy17; }
+    }
+    public int Dummy17 {
+      get { return dummy17_; }
+    }
+    
+    private bool hasDummy18;
+    private int dummy18_ = 0;
+    public bool HasDummy18 {
+      get { return hasDummy18; }
+    }
+    public int Dummy18 {
+      get { return dummy18_; }
+    }
+    
+    private bool hasDummy19;
+    private int dummy19_ = 0;
+    public bool HasDummy19 {
+      get { return hasDummy19; }
+    }
+    public int Dummy19 {
+      get { return dummy19_; }
+    }
+    
+    private bool hasDummy20;
+    private int dummy20_ = 0;
+    public bool HasDummy20 {
+      get { return hasDummy20; }
+    }
+    public int Dummy20 {
+      get { return dummy20_; }
+    }
+    
+    private bool hasDummy21;
+    private int dummy21_ = 0;
+    public bool HasDummy21 {
+      get { return hasDummy21; }
+    }
+    public int Dummy21 {
+      get { return dummy21_; }
+    }
+    
+    private bool hasDummy22;
+    private int dummy22_ = 0;
+    public bool HasDummy22 {
+      get { return hasDummy22; }
+    }
+    public int Dummy22 {
+      get { return dummy22_; }
+    }
+    
+    private bool hasDummy23;
+    private int dummy23_ = 0;
+    public bool HasDummy23 {
+      get { return hasDummy23; }
+    }
+    public int Dummy23 {
+      get { return dummy23_; }
+    }
+    
+    private bool hasDummy24;
+    private int dummy24_ = 0;
+    public bool HasDummy24 {
+      get { return hasDummy24; }
+    }
+    public int Dummy24 {
+      get { return dummy24_; }
+    }
+    
+    private bool hasDummy25;
+    private int dummy25_ = 0;
+    public bool HasDummy25 {
+      get { return hasDummy25; }
+    }
+    public int Dummy25 {
+      get { return dummy25_; }
+    }
+    
+    private bool hasDummy26;
+    private int dummy26_ = 0;
+    public bool HasDummy26 {
+      get { return hasDummy26; }
+    }
+    public int Dummy26 {
+      get { return dummy26_; }
+    }
+    
+    private bool hasDummy27;
+    private int dummy27_ = 0;
+    public bool HasDummy27 {
+      get { return hasDummy27; }
+    }
+    public int Dummy27 {
+      get { return dummy27_; }
+    }
+    
+    private bool hasDummy28;
+    private int dummy28_ = 0;
+    public bool HasDummy28 {
+      get { return hasDummy28; }
+    }
+    public int Dummy28 {
+      get { return dummy28_; }
+    }
+    
+    private bool hasDummy29;
+    private int dummy29_ = 0;
+    public bool HasDummy29 {
+      get { return hasDummy29; }
+    }
+    public int Dummy29 {
+      get { return dummy29_; }
+    }
+    
+    private bool hasDummy30;
+    private int dummy30_ = 0;
+    public bool HasDummy30 {
+      get { return hasDummy30; }
+    }
+    public int Dummy30 {
+      get { return dummy30_; }
+    }
+    
+    private bool hasDummy31;
+    private int dummy31_ = 0;
+    public bool HasDummy31 {
+      get { return hasDummy31; }
+    }
+    public int Dummy31 {
+      get { return dummy31_; }
+    }
+    
+    private bool hasDummy32;
+    private int dummy32_ = 0;
+    public bool HasDummy32 {
+      get { return hasDummy32; }
+    }
+    public int Dummy32 {
+      get { return dummy32_; }
+    }
+    
+    private bool hasC;
+    private int c_ = 0;
+    public bool HasC {
+      get { return hasC; }
+    }
+    public int C {
+      get { return c_; }
+    }
+    
+    public override bool IsInitialized {
+      get {
+        if (!hasA) return false;
+        if (!hasB) return false;
+        if (!hasC) return false;
+        return true;
+      }
+    }
+    
+    public override void WriteTo(pb::CodedOutputStream output) {
+      if (HasA) {
+        output.WriteInt32(1, A);
+      }
+      if (HasDummy2) {
+        output.WriteInt32(2, Dummy2);
+      }
+      if (HasB) {
+        output.WriteInt32(3, B);
+      }
+      if (HasDummy4) {
+        output.WriteInt32(4, Dummy4);
+      }
+      if (HasDummy5) {
+        output.WriteInt32(5, Dummy5);
+      }
+      if (HasDummy6) {
+        output.WriteInt32(6, Dummy6);
+      }
+      if (HasDummy7) {
+        output.WriteInt32(7, Dummy7);
+      }
+      if (HasDummy8) {
+        output.WriteInt32(8, Dummy8);
+      }
+      if (HasDummy9) {
+        output.WriteInt32(9, Dummy9);
+      }
+      if (HasDummy10) {
+        output.WriteInt32(10, Dummy10);
+      }
+      if (HasDummy11) {
+        output.WriteInt32(11, Dummy11);
+      }
+      if (HasDummy12) {
+        output.WriteInt32(12, Dummy12);
+      }
+      if (HasDummy13) {
+        output.WriteInt32(13, Dummy13);
+      }
+      if (HasDummy14) {
+        output.WriteInt32(14, Dummy14);
+      }
+      if (HasDummy15) {
+        output.WriteInt32(15, Dummy15);
+      }
+      if (HasDummy16) {
+        output.WriteInt32(16, Dummy16);
+      }
+      if (HasDummy17) {
+        output.WriteInt32(17, Dummy17);
+      }
+      if (HasDummy18) {
+        output.WriteInt32(18, Dummy18);
+      }
+      if (HasDummy19) {
+        output.WriteInt32(19, Dummy19);
+      }
+      if (HasDummy20) {
+        output.WriteInt32(20, Dummy20);
+      }
+      if (HasDummy21) {
+        output.WriteInt32(21, Dummy21);
+      }
+      if (HasDummy22) {
+        output.WriteInt32(22, Dummy22);
+      }
+      if (HasDummy23) {
+        output.WriteInt32(23, Dummy23);
+      }
+      if (HasDummy24) {
+        output.WriteInt32(24, Dummy24);
+      }
+      if (HasDummy25) {
+        output.WriteInt32(25, Dummy25);
+      }
+      if (HasDummy26) {
+        output.WriteInt32(26, Dummy26);
+      }
+      if (HasDummy27) {
+        output.WriteInt32(27, Dummy27);
+      }
+      if (HasDummy28) {
+        output.WriteInt32(28, Dummy28);
+      }
+      if (HasDummy29) {
+        output.WriteInt32(29, Dummy29);
+      }
+      if (HasDummy30) {
+        output.WriteInt32(30, Dummy30);
+      }
+      if (HasDummy31) {
+        output.WriteInt32(31, Dummy31);
+      }
+      if (HasDummy32) {
+        output.WriteInt32(32, Dummy32);
+      }
+      if (HasC) {
+        output.WriteInt32(33, C);
+      }
+      UnknownFields.WriteTo(output);
+    }
+    
+    private int memoizedSerializedSize = -1;
+    public override int SerializedSize {
+      get {
+        int size = memoizedSerializedSize;
+        if (size != -1) return size;
+        
+        size = 0;
+        if (HasA) {
+          size += pb::CodedOutputStream.ComputeInt32Size(1, A);
+        }
+        if (HasDummy2) {
+          size += pb::CodedOutputStream.ComputeInt32Size(2, Dummy2);
+        }
+        if (HasB) {
+          size += pb::CodedOutputStream.ComputeInt32Size(3, B);
+        }
+        if (HasDummy4) {
+          size += pb::CodedOutputStream.ComputeInt32Size(4, Dummy4);
+        }
+        if (HasDummy5) {
+          size += pb::CodedOutputStream.ComputeInt32Size(5, Dummy5);
+        }
+        if (HasDummy6) {
+          size += pb::CodedOutputStream.ComputeInt32Size(6, Dummy6);
+        }
+        if (HasDummy7) {
+          size += pb::CodedOutputStream.ComputeInt32Size(7, Dummy7);
+        }
+        if (HasDummy8) {
+          size += pb::CodedOutputStream.ComputeInt32Size(8, Dummy8);
+        }
+        if (HasDummy9) {
+          size += pb::CodedOutputStream.ComputeInt32Size(9, Dummy9);
+        }
+        if (HasDummy10) {
+          size += pb::CodedOutputStream.ComputeInt32Size(10, Dummy10);
+        }
+        if (HasDummy11) {
+          size += pb::CodedOutputStream.ComputeInt32Size(11, Dummy11);
+        }
+        if (HasDummy12) {
+          size += pb::CodedOutputStream.ComputeInt32Size(12, Dummy12);
+        }
+        if (HasDummy13) {
+          size += pb::CodedOutputStream.ComputeInt32Size(13, Dummy13);
+        }
+        if (HasDummy14) {
+          size += pb::CodedOutputStream.ComputeInt32Size(14, Dummy14);
+        }
+        if (HasDummy15) {
+          size += pb::CodedOutputStream.ComputeInt32Size(15, Dummy15);
+        }
+        if (HasDummy16) {
+          size += pb::CodedOutputStream.ComputeInt32Size(16, Dummy16);
+        }
+        if (HasDummy17) {
+          size += pb::CodedOutputStream.ComputeInt32Size(17, Dummy17);
+        }
+        if (HasDummy18) {
+          size += pb::CodedOutputStream.ComputeInt32Size(18, Dummy18);
+        }
+        if (HasDummy19) {
+          size += pb::CodedOutputStream.ComputeInt32Size(19, Dummy19);
+        }
+        if (HasDummy20) {
+          size += pb::CodedOutputStream.ComputeInt32Size(20, Dummy20);
+        }
+        if (HasDummy21) {
+          size += pb::CodedOutputStream.ComputeInt32Size(21, Dummy21);
+        }
+        if (HasDummy22) {
+          size += pb::CodedOutputStream.ComputeInt32Size(22, Dummy22);
+        }
+        if (HasDummy23) {
+          size += pb::CodedOutputStream.ComputeInt32Size(23, Dummy23);
+        }
+        if (HasDummy24) {
+          size += pb::CodedOutputStream.ComputeInt32Size(24, Dummy24);
+        }
+        if (HasDummy25) {
+          size += pb::CodedOutputStream.ComputeInt32Size(25, Dummy25);
+        }
+        if (HasDummy26) {
+          size += pb::CodedOutputStream.ComputeInt32Size(26, Dummy26);
+        }
+        if (HasDummy27) {
+          size += pb::CodedOutputStream.ComputeInt32Size(27, Dummy27);
+        }
+        if (HasDummy28) {
+          size += pb::CodedOutputStream.ComputeInt32Size(28, Dummy28);
+        }
+        if (HasDummy29) {
+          size += pb::CodedOutputStream.ComputeInt32Size(29, Dummy29);
+        }
+        if (HasDummy30) {
+          size += pb::CodedOutputStream.ComputeInt32Size(30, Dummy30);
+        }
+        if (HasDummy31) {
+          size += pb::CodedOutputStream.ComputeInt32Size(31, Dummy31);
+        }
+        if (HasDummy32) {
+          size += pb::CodedOutputStream.ComputeInt32Size(32, Dummy32);
+        }
+        if (HasC) {
+          size += pb::CodedOutputStream.ComputeInt32Size(33, C);
+        }
+        size += UnknownFields.SerializedSize;
+        memoizedSerializedSize = size;
+        return size;
+      }
+    }
+    
+    public static TestRequired ParseFrom(pb::ByteString data) {
+      return ((Builder) CreateBuilder().MergeFrom(data)).BuildParsed();
+    }
+    public static TestRequired ParseFrom(pb::ByteString data, pb::ExtensionRegistry extensionRegistry) {
+      return ((Builder) CreateBuilder().MergeFrom(data, extensionRegistry)).BuildParsed();
+    }
+    public static TestRequired ParseFrom(byte[] data) {
+      return ((Builder) CreateBuilder().MergeFrom(data)).BuildParsed();
+    }
+    public static TestRequired ParseFrom(byte[] data, pb::ExtensionRegistry extensionRegistry) {
+      return ((Builder) CreateBuilder().MergeFrom(data, extensionRegistry)).BuildParsed();
+    }
+    public static TestRequired ParseFrom(global::System.IO.Stream input) {
+      return ((Builder) CreateBuilder().MergeFrom(input)).BuildParsed();
+    }
+    public static TestRequired ParseFrom(global::System.IO.Stream input, pb::ExtensionRegistry extensionRegistry) {
+      return ((Builder) CreateBuilder().MergeFrom(input, extensionRegistry)).BuildParsed();
+    }
+    public static TestRequired ParseFrom(pb::CodedInputStream input) {
+      return ((Builder) CreateBuilder().MergeFrom(input)).BuildParsed();
+    }
+    public static TestRequired ParseFrom(pb::CodedInputStream input, pb::ExtensionRegistry extensionRegistry) {
+      return ((Builder) CreateBuilder().MergeFrom(input, extensionRegistry)).BuildParsed();
+    }
+    public static Builder CreateBuilder() { return new Builder(); }
+    public override Builder CreateBuilderForType() { return new Builder(); }
+    public static Builder CreateBuilder(TestRequired prototype) {
+      return (Builder) new Builder().MergeFrom(prototype);
+    }
+    
+    public sealed partial class Builder : pb::GeneratedBuilder<TestRequired, Builder> {
+      protected override Builder ThisBuilder {
+        get { return this; }
+      }
+      public Builder() {}
+      
+      TestRequired result = new TestRequired();
+      
+      protected override TestRequired MessageBeingBuilt {
+        get { return result; }
+      }
+      
+      public override Builder Clear() {
+        result = new TestRequired();
+        return this;
+      }
+      
+      public override Builder Clone() {
+        return new Builder().MergeFrom(result);
+      }
+      
+      public override pbd::MessageDescriptor DescriptorForType {
+        get { return TestRequired.Descriptor; }
+      }
+      
+      public override TestRequired DefaultInstanceForType {
+        get { return TestRequired.DefaultInstance; }
+      }
+      
+      public override TestRequired BuildPartial() {
+        TestRequired returnMe = result;
+        result = null;
+        return returnMe;
+      }
+      
+      public override Builder MergeFrom(pb::IMessage other) {
+        if (other is TestRequired) {
+          return MergeFrom((TestRequired) other);
+        } else {
+          base.MergeFrom(other);
+          return this;
+        }
+      }
+      
+      public override Builder MergeFrom(TestRequired other) {
+        if (other == TestRequired.DefaultInstance) return this;
+        if (other.HasA) {
+          A = other.A;
+        }
+        if (other.HasDummy2) {
+          Dummy2 = other.Dummy2;
+        }
+        if (other.HasB) {
+          B = other.B;
+        }
+        if (other.HasDummy4) {
+          Dummy4 = other.Dummy4;
+        }
+        if (other.HasDummy5) {
+          Dummy5 = other.Dummy5;
+        }
+        if (other.HasDummy6) {
+          Dummy6 = other.Dummy6;
+        }
+        if (other.HasDummy7) {
+          Dummy7 = other.Dummy7;
+        }
+        if (other.HasDummy8) {
+          Dummy8 = other.Dummy8;
+        }
+        if (other.HasDummy9) {
+          Dummy9 = other.Dummy9;
+        }
+        if (other.HasDummy10) {
+          Dummy10 = other.Dummy10;
+        }
+        if (other.HasDummy11) {
+          Dummy11 = other.Dummy11;
+        }
+        if (other.HasDummy12) {
+          Dummy12 = other.Dummy12;
+        }
+        if (other.HasDummy13) {
+          Dummy13 = other.Dummy13;
+        }
+        if (other.HasDummy14) {
+          Dummy14 = other.Dummy14;
+        }
+        if (other.HasDummy15) {
+          Dummy15 = other.Dummy15;
+        }
+        if (other.HasDummy16) {
+          Dummy16 = other.Dummy16;
+        }
+        if (other.HasDummy17) {
+          Dummy17 = other.Dummy17;
+        }
+        if (other.HasDummy18) {
+          Dummy18 = other.Dummy18;
+        }
+        if (other.HasDummy19) {
+          Dummy19 = other.Dummy19;
+        }
+        if (other.HasDummy20) {
+          Dummy20 = other.Dummy20;
+        }
+        if (other.HasDummy21) {
+          Dummy21 = other.Dummy21;
+        }
+        if (other.HasDummy22) {
+          Dummy22 = other.Dummy22;
+        }
+        if (other.HasDummy23) {
+          Dummy23 = other.Dummy23;
+        }
+        if (other.HasDummy24) {
+          Dummy24 = other.Dummy24;
+        }
+        if (other.HasDummy25) {
+          Dummy25 = other.Dummy25;
+        }
+        if (other.HasDummy26) {
+          Dummy26 = other.Dummy26;
+        }
+        if (other.HasDummy27) {
+          Dummy27 = other.Dummy27;
+        }
+        if (other.HasDummy28) {
+          Dummy28 = other.Dummy28;
+        }
+        if (other.HasDummy29) {
+          Dummy29 = other.Dummy29;
+        }
+        if (other.HasDummy30) {
+          Dummy30 = other.Dummy30;
+        }
+        if (other.HasDummy31) {
+          Dummy31 = other.Dummy31;
+        }
+        if (other.HasDummy32) {
+          Dummy32 = other.Dummy32;
+        }
+        if (other.HasC) {
+          C = other.C;
+        }
+        this.MergeUnknownFields(other.UnknownFields);
+        return this;
+      }
+      
+      public override Builder MergeFrom(pb::CodedInputStream input) {
+        return MergeFrom(input, pb::ExtensionRegistry.Empty);
+      }
+      
+      public override Builder MergeFrom(pb::CodedInputStream input, pb::ExtensionRegistry extensionRegistry) {
+        pb::UnknownFieldSet.Builder unknownFields = pb::UnknownFieldSet.CreateBuilder(this.UnknownFields);
+        while (true) {
+          uint tag = input.ReadTag();
+          switch (tag) {
+            case 0: {
+              this.UnknownFields = unknownFields.Build();
+              return this;
+            }
+            default: {
+              if (!ParseUnknownField(input, unknownFields, extensionRegistry, tag)) {
+                this.UnknownFields = unknownFields.Build();
+                return this;
+              }
+              break;
+            }
+            case 8: {
+              A = input.ReadInt32();
+              break;
+            }
+            case 16: {
+              Dummy2 = input.ReadInt32();
+              break;
+            }
+            case 24: {
+              B = input.ReadInt32();
+              break;
+            }
+            case 32: {
+              Dummy4 = input.ReadInt32();
+              break;
+            }
+            case 40: {
+              Dummy5 = input.ReadInt32();
+              break;
+            }
+            case 48: {
+              Dummy6 = input.ReadInt32();
+              break;
+            }
+            case 56: {
+              Dummy7 = input.ReadInt32();
+              break;
+            }
+            case 64: {
+              Dummy8 = input.ReadInt32();
+              break;
+            }
+            case 72: {
+              Dummy9 = input.ReadInt32();
+              break;
+            }
+            case 80: {
+              Dummy10 = input.ReadInt32();
+              break;
+            }
+            case 88: {
+              Dummy11 = input.ReadInt32();
+              break;
+            }
+            case 96: {
+              Dummy12 = input.ReadInt32();
+              break;
+            }
+            case 104: {
+              Dummy13 = input.ReadInt32();
+              break;
+            }
+            case 112: {
+              Dummy14 = input.ReadInt32();
+              break;
+            }
+            case 120: {
+              Dummy15 = input.ReadInt32();
+              break;
+            }
+            case 128: {
+              Dummy16 = input.ReadInt32();
+              break;
+            }
+            case 136: {
+              Dummy17 = input.ReadInt32();
+              break;
+            }
+            case 144: {
+              Dummy18 = input.ReadInt32();
+              break;
+            }
+            case 152: {
+              Dummy19 = input.ReadInt32();
+              break;
+            }
+            case 160: {
+              Dummy20 = input.ReadInt32();
+              break;
+            }
+            case 168: {
+              Dummy21 = input.ReadInt32();
+              break;
+            }
+            case 176: {
+              Dummy22 = input.ReadInt32();
+              break;
+            }
+            case 184: {
+              Dummy23 = input.ReadInt32();
+              break;
+            }
+            case 192: {
+              Dummy24 = input.ReadInt32();
+              break;
+            }
+            case 200: {
+              Dummy25 = input.ReadInt32();
+              break;
+            }
+            case 208: {
+              Dummy26 = input.ReadInt32();
+              break;
+            }
+            case 216: {
+              Dummy27 = input.ReadInt32();
+              break;
+            }
+            case 224: {
+              Dummy28 = input.ReadInt32();
+              break;
+            }
+            case 232: {
+              Dummy29 = input.ReadInt32();
+              break;
+            }
+            case 240: {
+              Dummy30 = input.ReadInt32();
+              break;
+            }
+            case 248: {
+              Dummy31 = input.ReadInt32();
+              break;
+            }
+            case 256: {
+              Dummy32 = input.ReadInt32();
+              break;
+            }
+            case 264: {
+              C = input.ReadInt32();
+              break;
+            }
+          }
+        }
+      }
+      
+      
+      public bool HasA {
+        get { return result.HasA; }
+      }
+      public int A {
+        get { return result.A; }
+        set { SetA(value); }
+      }
+      public Builder SetA(int value) {
+        result.hasA = true;
+        result.a_ = value;
+        return this;
+      }
+      public Builder ClearA() {
+        result.hasA = false;
+        result.a_ = 0;
+        return this;
+      }
+      
+      public bool HasDummy2 {
+        get { return result.HasDummy2; }
+      }
+      public int Dummy2 {
+        get { return result.Dummy2; }
+        set { SetDummy2(value); }
+      }
+      public Builder SetDummy2(int value) {
+        result.hasDummy2 = true;
+        result.dummy2_ = value;
+        return this;
+      }
+      public Builder ClearDummy2() {
+        result.hasDummy2 = false;
+        result.dummy2_ = 0;
+        return this;
+      }
+      
+      public bool HasB {
+        get { return result.HasB; }
+      }
+      public int B {
+        get { return result.B; }
+        set { SetB(value); }
+      }
+      public Builder SetB(int value) {
+        result.hasB = true;
+        result.b_ = value;
+        return this;
+      }
+      public Builder ClearB() {
+        result.hasB = false;
+        result.b_ = 0;
+        return this;
+      }
+      
+      public bool HasDummy4 {
+        get { return result.HasDummy4; }
+      }
+      public int Dummy4 {
+        get { return result.Dummy4; }
+        set { SetDummy4(value); }
+      }
+      public Builder SetDummy4(int value) {
+        result.hasDummy4 = true;
+        result.dummy4_ = value;
+        return this;
+      }
+      public Builder ClearDummy4() {
+        result.hasDummy4 = false;
+        result.dummy4_ = 0;
+        return this;
+      }
+      
+      public bool HasDummy5 {
+        get { return result.HasDummy5; }
+      }
+      public int Dummy5 {
+        get { return result.Dummy5; }
+        set { SetDummy5(value); }
+      }
+      public Builder SetDummy5(int value) {
+        result.hasDummy5 = true;
+        result.dummy5_ = value;
+        return this;
+      }
+      public Builder ClearDummy5() {
+        result.hasDummy5 = false;
+        result.dummy5_ = 0;
+        return this;
+      }
+      
+      public bool HasDummy6 {
+        get { return result.HasDummy6; }
+      }
+      public int Dummy6 {
+        get { return result.Dummy6; }
+        set { SetDummy6(value); }
+      }
+      public Builder SetDummy6(int value) {
+        result.hasDummy6 = true;
+        result.dummy6_ = value;
+        return this;
+      }
+      public Builder ClearDummy6() {
+        result.hasDummy6 = false;
+        result.dummy6_ = 0;
+        return this;
+      }
+      
+      public bool HasDummy7 {
+        get { return result.HasDummy7; }
+      }
+      public int Dummy7 {
+        get { return result.Dummy7; }
+        set { SetDummy7(value); }
+      }
+      public Builder SetDummy7(int value) {
+        result.hasDummy7 = true;
+        result.dummy7_ = value;
+        return this;
+      }
+      public Builder ClearDummy7() {
+        result.hasDummy7 = false;
+        result.dummy7_ = 0;
+        return this;
+      }
+      
+      public bool HasDummy8 {
+        get { return result.HasDummy8; }
+      }
+      public int Dummy8 {
+        get { return result.Dummy8; }
+        set { SetDummy8(value); }
+      }
+      public Builder SetDummy8(int value) {
+        result.hasDummy8 = true;
+        result.dummy8_ = value;
+        return this;
+      }
+      public Builder ClearDummy8() {
+        result.hasDummy8 = false;
+        result.dummy8_ = 0;
+        return this;
+      }
+      
+      public bool HasDummy9 {
+        get { return result.HasDummy9; }
+      }
+      public int Dummy9 {
+        get { return result.Dummy9; }
+        set { SetDummy9(value); }
+      }
+      public Builder SetDummy9(int value) {
+        result.hasDummy9 = true;
+        result.dummy9_ = value;
+        return this;
+      }
+      public Builder ClearDummy9() {
+        result.hasDummy9 = false;
+        result.dummy9_ = 0;
+        return this;
+      }
+      
+      public bool HasDummy10 {
+        get { return result.HasDummy10; }
+      }
+      public int Dummy10 {
+        get { return result.Dummy10; }
+        set { SetDummy10(value); }
+      }
+      public Builder SetDummy10(int value) {
+        result.hasDummy10 = true;
+        result.dummy10_ = value;
+        return this;
+      }
+      public Builder ClearDummy10() {
+        result.hasDummy10 = false;
+        result.dummy10_ = 0;
+        return this;
+      }
+      
+      public bool HasDummy11 {
+        get { return result.HasDummy11; }
+      }
+      public int Dummy11 {
+        get { return result.Dummy11; }
+        set { SetDummy11(value); }
+      }
+      public Builder SetDummy11(int value) {
+        result.hasDummy11 = true;
+        result.dummy11_ = value;
+        return this;
+      }
+      public Builder ClearDummy11() {
+        result.hasDummy11 = false;
+        result.dummy11_ = 0;
+        return this;
+      }
+      
+      public bool HasDummy12 {
+        get { return result.HasDummy12; }
+      }
+      public int Dummy12 {
+        get { return result.Dummy12; }
+        set { SetDummy12(value); }
+      }
+      public Builder SetDummy12(int value) {
+        result.hasDummy12 = true;
+        result.dummy12_ = value;
+        return this;
+      }
+      public Builder ClearDummy12() {
+        result.hasDummy12 = false;
+        result.dummy12_ = 0;
+        return this;
+      }
+      
+      public bool HasDummy13 {
+        get { return result.HasDummy13; }
+      }
+      public int Dummy13 {
+        get { return result.Dummy13; }
+        set { SetDummy13(value); }
+      }
+      public Builder SetDummy13(int value) {
+        result.hasDummy13 = true;
+        result.dummy13_ = value;
+        return this;
+      }
+      public Builder ClearDummy13() {
+        result.hasDummy13 = false;
+        result.dummy13_ = 0;
+        return this;
+      }
+      
+      public bool HasDummy14 {
+        get { return result.HasDummy14; }
+      }
+      public int Dummy14 {
+        get { return result.Dummy14; }
+        set { SetDummy14(value); }
+      }
+      public Builder SetDummy14(int value) {
+        result.hasDummy14 = true;
+        result.dummy14_ = value;
+        return this;
+      }
+      public Builder ClearDummy14() {
+        result.hasDummy14 = false;
+        result.dummy14_ = 0;
+        return this;
+      }
+      
+      public bool HasDummy15 {
+        get { return result.HasDummy15; }
+      }
+      public int Dummy15 {
+        get { return result.Dummy15; }
+        set { SetDummy15(value); }
+      }
+      public Builder SetDummy15(int value) {
+        result.hasDummy15 = true;
+        result.dummy15_ = value;
+        return this;
+      }
+      public Builder ClearDummy15() {
+        result.hasDummy15 = false;
+        result.dummy15_ = 0;
+        return this;
+      }
+      
+      public bool HasDummy16 {
+        get { return result.HasDummy16; }
+      }
+      public int Dummy16 {
+        get { return result.Dummy16; }
+        set { SetDummy16(value); }
+      }
+      public Builder SetDummy16(int value) {
+        result.hasDummy16 = true;
+        result.dummy16_ = value;
+        return this;
+      }
+      public Builder ClearDummy16() {
+        result.hasDummy16 = false;
+        result.dummy16_ = 0;
+        return this;
+      }
+      
+      public bool HasDummy17 {
+        get { return result.HasDummy17; }
+      }
+      public int Dummy17 {
+        get { return result.Dummy17; }
+        set { SetDummy17(value); }
+      }
+      public Builder SetDummy17(int value) {
+        result.hasDummy17 = true;
+        result.dummy17_ = value;
+        return this;
+      }
+      public Builder ClearDummy17() {
+        result.hasDummy17 = false;
+        result.dummy17_ = 0;
+        return this;
+      }
+      
+      public bool HasDummy18 {
+        get { return result.HasDummy18; }
+      }
+      public int Dummy18 {
+        get { return result.Dummy18; }
+        set { SetDummy18(value); }
+      }
+      public Builder SetDummy18(int value) {
+        result.hasDummy18 = true;
+        result.dummy18_ = value;
+        return this;
+      }
+      public Builder ClearDummy18() {
+        result.hasDummy18 = false;
+        result.dummy18_ = 0;
+        return this;
+      }
+      
+      public bool HasDummy19 {
+        get { return result.HasDummy19; }
+      }
+      public int Dummy19 {
+        get { return result.Dummy19; }
+        set { SetDummy19(value); }
+      }
+      public Builder SetDummy19(int value) {
+        result.hasDummy19 = true;
+        result.dummy19_ = value;
+        return this;
+      }
+      public Builder ClearDummy19() {
+        result.hasDummy19 = false;
+        result.dummy19_ = 0;
+        return this;
+      }
+      
+      public bool HasDummy20 {
+        get { return result.HasDummy20; }
+      }
+      public int Dummy20 {
+        get { return result.Dummy20; }
+        set { SetDummy20(value); }
+      }
+      public Builder SetDummy20(int value) {
+        result.hasDummy20 = true;
+        result.dummy20_ = value;
+        return this;
+      }
+      public Builder ClearDummy20() {
+        result.hasDummy20 = false;
+        result.dummy20_ = 0;
+        return this;
+      }
+      
+      public bool HasDummy21 {
+        get { return result.HasDummy21; }
+      }
+      public int Dummy21 {
+        get { return result.Dummy21; }
+        set { SetDummy21(value); }
+      }
+      public Builder SetDummy21(int value) {
+        result.hasDummy21 = true;
+        result.dummy21_ = value;
+        return this;
+      }
+      public Builder ClearDummy21() {
+        result.hasDummy21 = false;
+        result.dummy21_ = 0;
+        return this;
+      }
+      
+      public bool HasDummy22 {
+        get { return result.HasDummy22; }
+      }
+      public int Dummy22 {
+        get { return result.Dummy22; }
+        set { SetDummy22(value); }
+      }
+      public Builder SetDummy22(int value) {
+        result.hasDummy22 = true;
+        result.dummy22_ = value;
+        return this;
+      }
+      public Builder ClearDummy22() {
+        result.hasDummy22 = false;
+        result.dummy22_ = 0;
+        return this;
+      }
+      
+      public bool HasDummy23 {
+        get { return result.HasDummy23; }
+      }
+      public int Dummy23 {
+        get { return result.Dummy23; }
+        set { SetDummy23(value); }
+      }
+      public Builder SetDummy23(int value) {
+        result.hasDummy23 = true;
+        result.dummy23_ = value;
+        return this;
+      }
+      public Builder ClearDummy23() {
+        result.hasDummy23 = false;
+        result.dummy23_ = 0;
+        return this;
+      }
+      
+      public bool HasDummy24 {
+        get { return result.HasDummy24; }
+      }
+      public int Dummy24 {
+        get { return result.Dummy24; }
+        set { SetDummy24(value); }
+      }
+      public Builder SetDummy24(int value) {
+        result.hasDummy24 = true;
+        result.dummy24_ = value;
+        return this;
+      }
+      public Builder ClearDummy24() {
+        result.hasDummy24 = false;
+        result.dummy24_ = 0;
+        return this;
+      }
+      
+      public bool HasDummy25 {
+        get { return result.HasDummy25; }
+      }
+      public int Dummy25 {
+        get { return result.Dummy25; }
+        set { SetDummy25(value); }
+      }
+      public Builder SetDummy25(int value) {
+        result.hasDummy25 = true;
+        result.dummy25_ = value;
+        return this;
+      }
+      public Builder ClearDummy25() {
+        result.hasDummy25 = false;
+        result.dummy25_ = 0;
+        return this;
+      }
+      
+      public bool HasDummy26 {
+        get { return result.HasDummy26; }
+      }
+      public int Dummy26 {
+        get { return result.Dummy26; }
+        set { SetDummy26(value); }
+      }
+      public Builder SetDummy26(int value) {
+        result.hasDummy26 = true;
+        result.dummy26_ = value;
+        return this;
+      }
+      public Builder ClearDummy26() {
+        result.hasDummy26 = false;
+        result.dummy26_ = 0;
+        return this;
+      }
+      
+      public bool HasDummy27 {
+        get { return result.HasDummy27; }
+      }
+      public int Dummy27 {
+        get { return result.Dummy27; }
+        set { SetDummy27(value); }
+      }
+      public Builder SetDummy27(int value) {
+        result.hasDummy27 = true;
+        result.dummy27_ = value;
+        return this;
+      }
+      public Builder ClearDummy27() {
+        result.hasDummy27 = false;
+        result.dummy27_ = 0;
+        return this;
+      }
+      
+      public bool HasDummy28 {
+        get { return result.HasDummy28; }
+      }
+      public int Dummy28 {
+        get { return result.Dummy28; }
+        set { SetDummy28(value); }
+      }
+      public Builder SetDummy28(int value) {
+        result.hasDummy28 = true;
+        result.dummy28_ = value;
+        return this;
+      }
+      public Builder ClearDummy28() {
+        result.hasDummy28 = false;
+        result.dummy28_ = 0;
+        return this;
+      }
+      
+      public bool HasDummy29 {
+        get { return result.HasDummy29; }
+      }
+      public int Dummy29 {
+        get { return result.Dummy29; }
+        set { SetDummy29(value); }
+      }
+      public Builder SetDummy29(int value) {
+        result.hasDummy29 = true;
+        result.dummy29_ = value;
+        return this;
+      }
+      public Builder ClearDummy29() {
+        result.hasDummy29 = false;
+        result.dummy29_ = 0;
+        return this;
+      }
+      
+      public bool HasDummy30 {
+        get { return result.HasDummy30; }
+      }
+      public int Dummy30 {
+        get { return result.Dummy30; }
+        set { SetDummy30(value); }
+      }
+      public Builder SetDummy30(int value) {
+        result.hasDummy30 = true;
+        result.dummy30_ = value;
+        return this;
+      }
+      public Builder ClearDummy30() {
+        result.hasDummy30 = false;
+        result.dummy30_ = 0;
+        return this;
+      }
+      
+      public bool HasDummy31 {
+        get { return result.HasDummy31; }
+      }
+      public int Dummy31 {
+        get { return result.Dummy31; }
+        set { SetDummy31(value); }
+      }
+      public Builder SetDummy31(int value) {
+        result.hasDummy31 = true;
+        result.dummy31_ = value;
+        return this;
+      }
+      public Builder ClearDummy31() {
+        result.hasDummy31 = false;
+        result.dummy31_ = 0;
+        return this;
+      }
+      
+      public bool HasDummy32 {
+        get { return result.HasDummy32; }
+      }
+      public int Dummy32 {
+        get { return result.Dummy32; }
+        set { SetDummy32(value); }
+      }
+      public Builder SetDummy32(int value) {
+        result.hasDummy32 = true;
+        result.dummy32_ = value;
+        return this;
+      }
+      public Builder ClearDummy32() {
+        result.hasDummy32 = false;
+        result.dummy32_ = 0;
+        return this;
+      }
+      
+      public bool HasC {
+        get { return result.HasC; }
+      }
+      public int C {
+        get { return result.C; }
+        set { SetC(value); }
+      }
+      public Builder SetC(int value) {
+        result.hasC = true;
+        result.c_ = value;
+        return this;
+      }
+      public Builder ClearC() {
+        result.hasC = false;
+        result.c_ = 0;
+        return this;
+      }
+    }
+  }
+  
+  public sealed partial class TestRequiredForeign : pb::GeneratedMessage<TestRequiredForeign, TestRequiredForeign.Builder> {
+    private static readonly TestRequiredForeign defaultInstance = new Builder().BuildPartial();
+    public static TestRequiredForeign DefaultInstance {
+      get { return defaultInstance; }
+    }
+    
+    public override TestRequiredForeign DefaultInstanceForType {
+      get { return defaultInstance; }
+    }
+    
+    protected override TestRequiredForeign ThisMessage {
+      get { return this; }
+    }
+    
+    public static pbd::MessageDescriptor Descriptor {
+      get { return global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.internal__static_protobuf_unittest_TestRequiredForeign__Descriptor; }
+    }
+    
+    protected override pb::FieldAccess.FieldAccessorTable<TestRequiredForeign, TestRequiredForeign.Builder> InternalFieldAccessors {
+      get { return global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.internal__static_protobuf_unittest_TestRequiredForeign__FieldAccessorTable; }
+    }
+    
+    private bool hasOptionalMessage;
+    private global::Google.ProtocolBuffers.TestProtos.TestRequired optionalMessage_ = global::Google.ProtocolBuffers.TestProtos.TestRequired.DefaultInstance;
+    public bool HasOptionalMessage {
+      get { return hasOptionalMessage; }
+    }
+    public global::Google.ProtocolBuffers.TestProtos.TestRequired OptionalMessage {
+      get { return optionalMessage_; }
+    }
+    
+    private pbc::PopsicleList<global::Google.ProtocolBuffers.TestProtos.TestRequired> repeatedMessage_ = new pbc::PopsicleList<global::Google.ProtocolBuffers.TestProtos.TestRequired>();
+    public scg::IList<global::Google.ProtocolBuffers.TestProtos.TestRequired> RepeatedMessageList {
+      get { return repeatedMessage_; }
+    }
+    public int RepeatedMessageCount {
+      get { return repeatedMessage_.Count; }
+    }
+    public global::Google.ProtocolBuffers.TestProtos.TestRequired GetRepeatedMessage(int index) {
+      return repeatedMessage_[index];
+    }
+    
+    private bool hasDummy;
+    private int dummy_ = 0;
+    public bool HasDummy {
+      get { return hasDummy; }
+    }
+    public int Dummy {
+      get { return dummy_; }
+    }
+    
+    public override bool IsInitialized {
+      get {
+        if (HasOptionalMessage) {
+          if (!OptionalMessage.IsInitialized) return false;
+        }
+        foreach (global::Google.ProtocolBuffers.TestProtos.TestRequired element in RepeatedMessageList) {
+          if (!element.IsInitialized) return false;
+        }
+        return true;
+      }
+    }
+    
+    public override void WriteTo(pb::CodedOutputStream output) {
+      if (HasOptionalMessage) {
+        output.WriteMessage(1, OptionalMessage);
+      }
+      foreach (global::Google.ProtocolBuffers.TestProtos.TestRequired element in RepeatedMessageList) {
+        output.WriteMessage(2, element);
+      }
+      if (HasDummy) {
+        output.WriteInt32(3, Dummy);
+      }
+      UnknownFields.WriteTo(output);
+    }
+    
+    private int memoizedSerializedSize = -1;
+    public override int SerializedSize {
+      get {
+        int size = memoizedSerializedSize;
+        if (size != -1) return size;
+        
+        size = 0;
+        if (HasOptionalMessage) {
+          size += pb::CodedOutputStream.ComputeMessageSize(1, OptionalMessage);
+        }
+        foreach (global::Google.ProtocolBuffers.TestProtos.TestRequired element in RepeatedMessageList) {
+          size += pb::CodedOutputStream.ComputeMessageSize(2, element);
+        }
+        if (HasDummy) {
+          size += pb::CodedOutputStream.ComputeInt32Size(3, Dummy);
+        }
+        size += UnknownFields.SerializedSize;
+        memoizedSerializedSize = size;
+        return size;
+      }
+    }
+    
+    public static TestRequiredForeign ParseFrom(pb::ByteString data) {
+      return ((Builder) CreateBuilder().MergeFrom(data)).BuildParsed();
+    }
+    public static TestRequiredForeign ParseFrom(pb::ByteString data, pb::ExtensionRegistry extensionRegistry) {
+      return ((Builder) CreateBuilder().MergeFrom(data, extensionRegistry)).BuildParsed();
+    }
+    public static TestRequiredForeign ParseFrom(byte[] data) {
+      return ((Builder) CreateBuilder().MergeFrom(data)).BuildParsed();
+    }
+    public static TestRequiredForeign ParseFrom(byte[] data, pb::ExtensionRegistry extensionRegistry) {
+      return ((Builder) CreateBuilder().MergeFrom(data, extensionRegistry)).BuildParsed();
+    }
+    public static TestRequiredForeign ParseFrom(global::System.IO.Stream input) {
+      return ((Builder) CreateBuilder().MergeFrom(input)).BuildParsed();
+    }
+    public static TestRequiredForeign ParseFrom(global::System.IO.Stream input, pb::ExtensionRegistry extensionRegistry) {
+      return ((Builder) CreateBuilder().MergeFrom(input, extensionRegistry)).BuildParsed();
+    }
+    public static TestRequiredForeign ParseFrom(pb::CodedInputStream input) {
+      return ((Builder) CreateBuilder().MergeFrom(input)).BuildParsed();
+    }
+    public static TestRequiredForeign ParseFrom(pb::CodedInputStream input, pb::ExtensionRegistry extensionRegistry) {
+      return ((Builder) CreateBuilder().MergeFrom(input, extensionRegistry)).BuildParsed();
+    }
+    public static Builder CreateBuilder() { return new Builder(); }
+    public override Builder CreateBuilderForType() { return new Builder(); }
+    public static Builder CreateBuilder(TestRequiredForeign prototype) {
+      return (Builder) new Builder().MergeFrom(prototype);
+    }
+    
+    public sealed partial class Builder : pb::GeneratedBuilder<TestRequiredForeign, Builder> {
+      protected override Builder ThisBuilder {
+        get { return this; }
+      }
+      public Builder() {}
+      
+      TestRequiredForeign result = new TestRequiredForeign();
+      
+      protected override TestRequiredForeign MessageBeingBuilt {
+        get { return result; }
+      }
+      
+      public override Builder Clear() {
+        result = new TestRequiredForeign();
+        return this;
+      }
+      
+      public override Builder Clone() {
+        return new Builder().MergeFrom(result);
+      }
+      
+      public override pbd::MessageDescriptor DescriptorForType {
+        get { return TestRequiredForeign.Descriptor; }
+      }
+      
+      public override TestRequiredForeign DefaultInstanceForType {
+        get { return TestRequiredForeign.DefaultInstance; }
+      }
+      
+      public override TestRequiredForeign BuildPartial() {
+        result.repeatedMessage_.MakeReadOnly();
+        TestRequiredForeign returnMe = result;
+        result = null;
+        return returnMe;
+      }
+      
+      public override Builder MergeFrom(pb::IMessage other) {
+        if (other is TestRequiredForeign) {
+          return MergeFrom((TestRequiredForeign) other);
+        } else {
+          base.MergeFrom(other);
+          return this;
+        }
+      }
+      
+      public override Builder MergeFrom(TestRequiredForeign other) {
+        if (other == TestRequiredForeign.DefaultInstance) return this;
+        if (other.HasOptionalMessage) {
+          MergeOptionalMessage(other.OptionalMessage);
+        }
+        if (other.repeatedMessage_.Count != 0) {
+          base.AddRange(other.repeatedMessage_, result.repeatedMessage_);
+        }
+        if (other.HasDummy) {
+          Dummy = other.Dummy;
+        }
+        this.MergeUnknownFields(other.UnknownFields);
+        return this;
+      }
+      
+      public override Builder MergeFrom(pb::CodedInputStream input) {
+        return MergeFrom(input, pb::ExtensionRegistry.Empty);
+      }
+      
+      public override Builder MergeFrom(pb::CodedInputStream input, pb::ExtensionRegistry extensionRegistry) {
+        pb::UnknownFieldSet.Builder unknownFields = pb::UnknownFieldSet.CreateBuilder(this.UnknownFields);
+        while (true) {
+          uint tag = input.ReadTag();
+          switch (tag) {
+            case 0: {
+              this.UnknownFields = unknownFields.Build();
+              return this;
+            }
+            default: {
+              if (!ParseUnknownField(input, unknownFields, extensionRegistry, tag)) {
+                this.UnknownFields = unknownFields.Build();
+                return this;
+              }
+              break;
+            }
+            case 10: {
+              global::Google.ProtocolBuffers.TestProtos.TestRequired.Builder subBuilder = global::Google.ProtocolBuffers.TestProtos.TestRequired.CreateBuilder();
+              if (HasOptionalMessage) {
+                subBuilder.MergeFrom(OptionalMessage);
+              }
+              input.ReadMessage(subBuilder, extensionRegistry);
+              OptionalMessage = subBuilder.BuildPartial();
+              break;
+            }
+            case 18: {
+              global::Google.ProtocolBuffers.TestProtos.TestRequired.Builder subBuilder = global::Google.ProtocolBuffers.TestProtos.TestRequired.CreateBuilder();
+              input.ReadMessage(subBuilder, extensionRegistry);
+              AddRepeatedMessage(subBuilder.BuildPartial());
+              break;
+            }
+            case 24: {
+              Dummy = input.ReadInt32();
+              break;
+            }
+          }
+        }
+      }
+      
+      
+      public bool HasOptionalMessage {
+       get { return result.HasOptionalMessage; }
+      }
+      public global::Google.ProtocolBuffers.TestProtos.TestRequired OptionalMessage {
+        get { return result.OptionalMessage; }
+        set { SetOptionalMessage(value); }
+      }
+      public Builder SetOptionalMessage(global::Google.ProtocolBuffers.TestProtos.TestRequired value) {
+        result.hasOptionalMessage = true;
+        result.optionalMessage_ = value;
+        return this;
+      }
+      public Builder SetOptionalMessage(global::Google.ProtocolBuffers.TestProtos.TestRequired.Builder builderForValue) {
+        result.hasOptionalMessage = true;
+        result.optionalMessage_ = builderForValue.Build();
+        return this;
+      }
+      public Builder MergeOptionalMessage(global::Google.ProtocolBuffers.TestProtos.TestRequired value) {
+        if (result.HasOptionalMessage &&
+            result.optionalMessage_ != global::Google.ProtocolBuffers.TestProtos.TestRequired.DefaultInstance) {
+            result.optionalMessage_ = global::Google.ProtocolBuffers.TestProtos.TestRequired.CreateBuilder(result.optionalMessage_).MergeFrom(value).BuildPartial();
+        } else {
+          result.optionalMessage_ = value;
+        }
+        result.hasOptionalMessage = true;
+        return this;
+      }
+      public Builder ClearOptionalMessage() {
+        result.hasOptionalMessage = false;
+        result.optionalMessage_ = global::Google.ProtocolBuffers.TestProtos.TestRequired.DefaultInstance;
+        return this;
+      }
+      
+      public scg::IList<global::Google.ProtocolBuffers.TestProtos.TestRequired> RepeatedMessageList {
+        get { return result.repeatedMessage_; }
+      }
+      public int RepeatedMessageCount {
+        get { return result.RepeatedMessageCount; }
+      }
+      public global::Google.ProtocolBuffers.TestProtos.TestRequired GetRepeatedMessage(int index) {
+        return result.GetRepeatedMessage(index);
+      }
+      public Builder SetRepeatedMessage(int index, global::Google.ProtocolBuffers.TestProtos.TestRequired value) {
+        result.repeatedMessage_[index] = value;
+        return this;
+      }
+      public Builder SetRepeatedMessage(int index, global::Google.ProtocolBuffers.TestProtos.TestRequired.Builder builderForValue) {
+        result.repeatedMessage_[index] = builderForValue.Build();
+        return this;
+      }
+      public Builder AddRepeatedMessage(global::Google.ProtocolBuffers.TestProtos.TestRequired value) {
+        result.repeatedMessage_.Add(value);
+        return this;
+      }
+      public Builder AddRepeatedMessage(global::Google.ProtocolBuffers.TestProtos.TestRequired.Builder builderForValue) {
+        result.repeatedMessage_.Add(builderForValue.Build());
+        return this;
+      }
+      public Builder AddRangeRepeatedMessage(scg::IEnumerable<global::Google.ProtocolBuffers.TestProtos.TestRequired> values) {
+        base.AddRange(values, result.repeatedMessage_);
+        return this;
+      }
+      public Builder ClearRepeatedMessage() {
+        result.repeatedMessage_.Clear();
+        return this;
+      }
+      
+      public bool HasDummy {
+        get { return result.HasDummy; }
+      }
+      public int Dummy {
+        get { return result.Dummy; }
+        set { SetDummy(value); }
+      }
+      public Builder SetDummy(int value) {
+        result.hasDummy = true;
+        result.dummy_ = value;
+        return this;
+      }
+      public Builder ClearDummy() {
+        result.hasDummy = false;
+        result.dummy_ = 0;
+        return this;
+      }
+    }
+  }
+  
+  public sealed partial class TestForeignNested : pb::GeneratedMessage<TestForeignNested, TestForeignNested.Builder> {
+    private static readonly TestForeignNested defaultInstance = new Builder().BuildPartial();
+    public static TestForeignNested DefaultInstance {
+      get { return defaultInstance; }
+    }
+    
+    public override TestForeignNested DefaultInstanceForType {
+      get { return defaultInstance; }
+    }
+    
+    protected override TestForeignNested ThisMessage {
+      get { return this; }
+    }
+    
+    public static pbd::MessageDescriptor Descriptor {
+      get { return global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.internal__static_protobuf_unittest_TestForeignNested__Descriptor; }
+    }
+    
+    protected override pb::FieldAccess.FieldAccessorTable<TestForeignNested, TestForeignNested.Builder> InternalFieldAccessors {
+      get { return global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.internal__static_protobuf_unittest_TestForeignNested__FieldAccessorTable; }
+    }
+    
+    private bool hasForeignNested;
+    private global::Google.ProtocolBuffers.TestProtos.TestAllTypes.Types.NestedMessage foreignNested_ = global::Google.ProtocolBuffers.TestProtos.TestAllTypes.Types.NestedMessage.DefaultInstance;
+    public bool HasForeignNested {
+      get { return hasForeignNested; }
+    }
+    public global::Google.ProtocolBuffers.TestProtos.TestAllTypes.Types.NestedMessage ForeignNested {
+      get { return foreignNested_; }
+    }
+    
+    public override bool IsInitialized {
+      get {
+        return true;
+      }
+    }
+    
+    public override void WriteTo(pb::CodedOutputStream output) {
+      if (HasForeignNested) {
+        output.WriteMessage(1, ForeignNested);
+      }
+      UnknownFields.WriteTo(output);
+    }
+    
+    private int memoizedSerializedSize = -1;
+    public override int SerializedSize {
+      get {
+        int size = memoizedSerializedSize;
+        if (size != -1) return size;
+        
+        size = 0;
+        if (HasForeignNested) {
+          size += pb::CodedOutputStream.ComputeMessageSize(1, ForeignNested);
+        }
+        size += UnknownFields.SerializedSize;
+        memoizedSerializedSize = size;
+        return size;
+      }
+    }
+    
+    public static TestForeignNested ParseFrom(pb::ByteString data) {
+      return ((Builder) CreateBuilder().MergeFrom(data)).BuildParsed();
+    }
+    public static TestForeignNested ParseFrom(pb::ByteString data, pb::ExtensionRegistry extensionRegistry) {
+      return ((Builder) CreateBuilder().MergeFrom(data, extensionRegistry)).BuildParsed();
+    }
+    public static TestForeignNested ParseFrom(byte[] data) {
+      return ((Builder) CreateBuilder().MergeFrom(data)).BuildParsed();
+    }
+    public static TestForeignNested ParseFrom(byte[] data, pb::ExtensionRegistry extensionRegistry) {
+      return ((Builder) CreateBuilder().MergeFrom(data, extensionRegistry)).BuildParsed();
+    }
+    public static TestForeignNested ParseFrom(global::System.IO.Stream input) {
+      return ((Builder) CreateBuilder().MergeFrom(input)).BuildParsed();
+    }
+    public static TestForeignNested ParseFrom(global::System.IO.Stream input, pb::ExtensionRegistry extensionRegistry) {
+      return ((Builder) CreateBuilder().MergeFrom(input, extensionRegistry)).BuildParsed();
+    }
+    public static TestForeignNested ParseFrom(pb::CodedInputStream input) {
+      return ((Builder) CreateBuilder().MergeFrom(input)).BuildParsed();
+    }
+    public static TestForeignNested ParseFrom(pb::CodedInputStream input, pb::ExtensionRegistry extensionRegistry) {
+      return ((Builder) CreateBuilder().MergeFrom(input, extensionRegistry)).BuildParsed();
+    }
+    public static Builder CreateBuilder() { return new Builder(); }
+    public override Builder CreateBuilderForType() { return new Builder(); }
+    public static Builder CreateBuilder(TestForeignNested prototype) {
+      return (Builder) new Builder().MergeFrom(prototype);
+    }
+    
+    public sealed partial class Builder : pb::GeneratedBuilder<TestForeignNested, Builder> {
+      protected override Builder ThisBuilder {
+        get { return this; }
+      }
+      public Builder() {}
+      
+      TestForeignNested result = new TestForeignNested();
+      
+      protected override TestForeignNested MessageBeingBuilt {
+        get { return result; }
+      }
+      
+      public override Builder Clear() {
+        result = new TestForeignNested();
+        return this;
+      }
+      
+      public override Builder Clone() {
+        return new Builder().MergeFrom(result);
+      }
+      
+      public override pbd::MessageDescriptor DescriptorForType {
+        get { return TestForeignNested.Descriptor; }
+      }
+      
+      public override TestForeignNested DefaultInstanceForType {
+        get { return TestForeignNested.DefaultInstance; }
+      }
+      
+      public override TestForeignNested BuildPartial() {
+        TestForeignNested returnMe = result;
+        result = null;
+        return returnMe;
+      }
+      
+      public override Builder MergeFrom(pb::IMessage other) {
+        if (other is TestForeignNested) {
+          return MergeFrom((TestForeignNested) other);
+        } else {
+          base.MergeFrom(other);
+          return this;
+        }
+      }
+      
+      public override Builder MergeFrom(TestForeignNested other) {
+        if (other == TestForeignNested.DefaultInstance) return this;
+        if (other.HasForeignNested) {
+          MergeForeignNested(other.ForeignNested);
+        }
+        this.MergeUnknownFields(other.UnknownFields);
+        return this;
+      }
+      
+      public override Builder MergeFrom(pb::CodedInputStream input) {
+        return MergeFrom(input, pb::ExtensionRegistry.Empty);
+      }
+      
+      public override Builder MergeFrom(pb::CodedInputStream input, pb::ExtensionRegistry extensionRegistry) {
+        pb::UnknownFieldSet.Builder unknownFields = pb::UnknownFieldSet.CreateBuilder(this.UnknownFields);
+        while (true) {
+          uint tag = input.ReadTag();
+          switch (tag) {
+            case 0: {
+              this.UnknownFields = unknownFields.Build();
+              return this;
+            }
+            default: {
+              if (!ParseUnknownField(input, unknownFields, extensionRegistry, tag)) {
+                this.UnknownFields = unknownFields.Build();
+                return this;
+              }
+              break;
+            }
+            case 10: {
+              global::Google.ProtocolBuffers.TestProtos.TestAllTypes.Types.NestedMessage.Builder subBuilder = global::Google.ProtocolBuffers.TestProtos.TestAllTypes.Types.NestedMessage.CreateBuilder();
+              if (HasForeignNested) {
+                subBuilder.MergeFrom(ForeignNested);
+              }
+              input.ReadMessage(subBuilder, extensionRegistry);
+              ForeignNested = subBuilder.BuildPartial();
+              break;
+            }
+          }
+        }
+      }
+      
+      
+      public bool HasForeignNested {
+       get { return result.HasForeignNested; }
+      }
+      public global::Google.ProtocolBuffers.TestProtos.TestAllTypes.Types.NestedMessage ForeignNested {
+        get { return result.ForeignNested; }
+        set { SetForeignNested(value); }
+      }
+      public Builder SetForeignNested(global::Google.ProtocolBuffers.TestProtos.TestAllTypes.Types.NestedMessage value) {
+        result.hasForeignNested = true;
+        result.foreignNested_ = value;
+        return this;
+      }
+      public Builder SetForeignNested(global::Google.ProtocolBuffers.TestProtos.TestAllTypes.Types.NestedMessage.Builder builderForValue) {
+        result.hasForeignNested = true;
+        result.foreignNested_ = builderForValue.Build();
+        return this;
+      }
+      public Builder MergeForeignNested(global::Google.ProtocolBuffers.TestProtos.TestAllTypes.Types.NestedMessage value) {
+        if (result.HasForeignNested &&
+            result.foreignNested_ != global::Google.ProtocolBuffers.TestProtos.TestAllTypes.Types.NestedMessage.DefaultInstance) {
+            result.foreignNested_ = global::Google.ProtocolBuffers.TestProtos.TestAllTypes.Types.NestedMessage.CreateBuilder(result.foreignNested_).MergeFrom(value).BuildPartial();
+        } else {
+          result.foreignNested_ = value;
+        }
+        result.hasForeignNested = true;
+        return this;
+      }
+      public Builder ClearForeignNested() {
+        result.hasForeignNested = false;
+        result.foreignNested_ = global::Google.ProtocolBuffers.TestProtos.TestAllTypes.Types.NestedMessage.DefaultInstance;
+        return this;
+      }
+    }
+  }
+  
+  public sealed partial class TestEmptyMessage : pb::GeneratedMessage<TestEmptyMessage, TestEmptyMessage.Builder> {
+    private static readonly TestEmptyMessage defaultInstance = new Builder().BuildPartial();
+    public static TestEmptyMessage DefaultInstance {
+      get { return defaultInstance; }
+    }
+    
+    public override TestEmptyMessage DefaultInstanceForType {
+      get { return defaultInstance; }
+    }
+    
+    protected override TestEmptyMessage ThisMessage {
+      get { return this; }
+    }
+    
+    public static pbd::MessageDescriptor Descriptor {
+      get { return global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.internal__static_protobuf_unittest_TestEmptyMessage__Descriptor; }
+    }
+    
+    protected override pb::FieldAccess.FieldAccessorTable<TestEmptyMessage, TestEmptyMessage.Builder> InternalFieldAccessors {
+      get { return global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.internal__static_protobuf_unittest_TestEmptyMessage__FieldAccessorTable; }
+    }
+    
+    public override bool IsInitialized {
+      get {
+        return true;
+      }
+    }
+    
+    public override void WriteTo(pb::CodedOutputStream output) {
+      UnknownFields.WriteTo(output);
+    }
+    
+    private int memoizedSerializedSize = -1;
+    public override int SerializedSize {
+      get {
+        int size = memoizedSerializedSize;
+        if (size != -1) return size;
+        
+        size = 0;
+        size += UnknownFields.SerializedSize;
+        memoizedSerializedSize = size;
+        return size;
+      }
+    }
+    
+    public static TestEmptyMessage ParseFrom(pb::ByteString data) {
+      return ((Builder) CreateBuilder().MergeFrom(data)).BuildParsed();
+    }
+    public static TestEmptyMessage ParseFrom(pb::ByteString data, pb::ExtensionRegistry extensionRegistry) {
+      return ((Builder) CreateBuilder().MergeFrom(data, extensionRegistry)).BuildParsed();
+    }
+    public static TestEmptyMessage ParseFrom(byte[] data) {
+      return ((Builder) CreateBuilder().MergeFrom(data)).BuildParsed();
+    }
+    public static TestEmptyMessage ParseFrom(byte[] data, pb::ExtensionRegistry extensionRegistry) {
+      return ((Builder) CreateBuilder().MergeFrom(data, extensionRegistry)).BuildParsed();
+    }
+    public static TestEmptyMessage ParseFrom(global::System.IO.Stream input) {
+      return ((Builder) CreateBuilder().MergeFrom(input)).BuildParsed();
+    }
+    public static TestEmptyMessage ParseFrom(global::System.IO.Stream input, pb::ExtensionRegistry extensionRegistry) {
+      return ((Builder) CreateBuilder().MergeFrom(input, extensionRegistry)).BuildParsed();
+    }
+    public static TestEmptyMessage ParseFrom(pb::CodedInputStream input) {
+      return ((Builder) CreateBuilder().MergeFrom(input)).BuildParsed();
+    }
+    public static TestEmptyMessage ParseFrom(pb::CodedInputStream input, pb::ExtensionRegistry extensionRegistry) {
+      return ((Builder) CreateBuilder().MergeFrom(input, extensionRegistry)).BuildParsed();
+    }
+    public static Builder CreateBuilder() { return new Builder(); }
+    public override Builder CreateBuilderForType() { return new Builder(); }
+    public static Builder CreateBuilder(TestEmptyMessage prototype) {
+      return (Builder) new Builder().MergeFrom(prototype);
+    }
+    
+    public sealed partial class Builder : pb::GeneratedBuilder<TestEmptyMessage, Builder> {
+      protected override Builder ThisBuilder {
+        get { return this; }
+      }
+      public Builder() {}
+      
+      TestEmptyMessage result = new TestEmptyMessage();
+      
+      protected override TestEmptyMessage MessageBeingBuilt {
+        get { return result; }
+      }
+      
+      public override Builder Clear() {
+        result = new TestEmptyMessage();
+        return this;
+      }
+      
+      public override Builder Clone() {
+        return new Builder().MergeFrom(result);
+      }
+      
+      public override pbd::MessageDescriptor DescriptorForType {
+        get { return TestEmptyMessage.Descriptor; }
+      }
+      
+      public override TestEmptyMessage DefaultInstanceForType {
+        get { return TestEmptyMessage.DefaultInstance; }
+      }
+      
+      public override TestEmptyMessage BuildPartial() {
+        TestEmptyMessage returnMe = result;
+        result = null;
+        return returnMe;
+      }
+      
+      public override Builder MergeFrom(pb::IMessage other) {
+        if (other is TestEmptyMessage) {
+          return MergeFrom((TestEmptyMessage) other);
+        } else {
+          base.MergeFrom(other);
+          return this;
+        }
+      }
+      
+      public override Builder MergeFrom(TestEmptyMessage other) {
+        if (other == TestEmptyMessage.DefaultInstance) return this;
+        this.MergeUnknownFields(other.UnknownFields);
+        return this;
+      }
+      
+      public override Builder MergeFrom(pb::CodedInputStream input) {
+        return MergeFrom(input, pb::ExtensionRegistry.Empty);
+      }
+      
+      public override Builder MergeFrom(pb::CodedInputStream input, pb::ExtensionRegistry extensionRegistry) {
+        pb::UnknownFieldSet.Builder unknownFields = pb::UnknownFieldSet.CreateBuilder(this.UnknownFields);
+        while (true) {
+          uint tag = input.ReadTag();
+          switch (tag) {
+            case 0: {
+              this.UnknownFields = unknownFields.Build();
+              return this;
+            }
+            default: {
+              if (!ParseUnknownField(input, unknownFields, extensionRegistry, tag)) {
+                this.UnknownFields = unknownFields.Build();
+                return this;
+              }
+              break;
+            }
+          }
+        }
+      }
+      
+    }
+  }
+  
+  public sealed partial class TestEmptyMessageWithExtensions : pb::ExtendableMessage<TestEmptyMessageWithExtensions, TestEmptyMessageWithExtensions.Builder> {
+    private static readonly TestEmptyMessageWithExtensions defaultInstance = new Builder().BuildPartial();
+    public static TestEmptyMessageWithExtensions DefaultInstance {
+      get { return defaultInstance; }
+    }
+    
+    public override TestEmptyMessageWithExtensions DefaultInstanceForType {
+      get { return defaultInstance; }
+    }
+    
+    protected override TestEmptyMessageWithExtensions ThisMessage {
+      get { return this; }
+    }
+    
+    public static pbd::MessageDescriptor Descriptor {
+      get { return global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.internal__static_protobuf_unittest_TestEmptyMessageWithExtensions__Descriptor; }
+    }
+    
+    protected override pb::FieldAccess.FieldAccessorTable<TestEmptyMessageWithExtensions, TestEmptyMessageWithExtensions.Builder> InternalFieldAccessors {
+      get { return global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.internal__static_protobuf_unittest_TestEmptyMessageWithExtensions__FieldAccessorTable; }
+    }
+    
+    public override bool IsInitialized {
+      get {
+        if (!ExtensionsAreInitialized) return false;
+        return true;
+      }
+    }
+    
+    public override void WriteTo(pb::CodedOutputStream output) {
+      pb::ExtendableMessage<TestEmptyMessageWithExtensions, TestEmptyMessageWithExtensions.Builder>.ExtensionWriter extensionWriter = CreateExtensionWriter(this);
+      extensionWriter.WriteUntil(536870912, output);
+      UnknownFields.WriteTo(output);
+    }
+    
+    private int memoizedSerializedSize = -1;
+    public override int SerializedSize {
+      get {
+        int size = memoizedSerializedSize;
+        if (size != -1) return size;
+        
+        size = 0;
+        size += ExtensionsSerializedSize;
+        size += UnknownFields.SerializedSize;
+        memoizedSerializedSize = size;
+        return size;
+      }
+    }
+    
+    public static TestEmptyMessageWithExtensions ParseFrom(pb::ByteString data) {
+      return ((Builder) CreateBuilder().MergeFrom(data)).BuildParsed();
+    }
+    public static TestEmptyMessageWithExtensions ParseFrom(pb::ByteString data, pb::ExtensionRegistry extensionRegistry) {
+      return ((Builder) CreateBuilder().MergeFrom(data, extensionRegistry)).BuildParsed();
+    }
+    public static TestEmptyMessageWithExtensions ParseFrom(byte[] data) {
+      return ((Builder) CreateBuilder().MergeFrom(data)).BuildParsed();
+    }
+    public static TestEmptyMessageWithExtensions ParseFrom(byte[] data, pb::ExtensionRegistry extensionRegistry) {
+      return ((Builder) CreateBuilder().MergeFrom(data, extensionRegistry)).BuildParsed();
+    }
+    public static TestEmptyMessageWithExtensions ParseFrom(global::System.IO.Stream input) {
+      return ((Builder) CreateBuilder().MergeFrom(input)).BuildParsed();
+    }
+    public static TestEmptyMessageWithExtensions ParseFrom(global::System.IO.Stream input, pb::ExtensionRegistry extensionRegistry) {
+      return ((Builder) CreateBuilder().MergeFrom(input, extensionRegistry)).BuildParsed();
+    }
+    public static TestEmptyMessageWithExtensions ParseFrom(pb::CodedInputStream input) {
+      return ((Builder) CreateBuilder().MergeFrom(input)).BuildParsed();
+    }
+    public static TestEmptyMessageWithExtensions ParseFrom(pb::CodedInputStream input, pb::ExtensionRegistry extensionRegistry) {
+      return ((Builder) CreateBuilder().MergeFrom(input, extensionRegistry)).BuildParsed();
+    }
+    public static Builder CreateBuilder() { return new Builder(); }
+    public override Builder CreateBuilderForType() { return new Builder(); }
+    public static Builder CreateBuilder(TestEmptyMessageWithExtensions prototype) {
+      return (Builder) new Builder().MergeFrom(prototype);
+    }
+    
+    public sealed partial class Builder : pb::ExtendableBuilder<TestEmptyMessageWithExtensions, Builder> {
+      protected override Builder ThisBuilder {
+        get { return this; }
+      }
+      public Builder() {}
+      
+      TestEmptyMessageWithExtensions result = new TestEmptyMessageWithExtensions();
+      
+      protected override TestEmptyMessageWithExtensions MessageBeingBuilt {
+        get { return result; }
+      }
+      
+      public override Builder Clear() {
+        result = new TestEmptyMessageWithExtensions();
+        return this;
+      }
+      
+      public override Builder Clone() {
+        return new Builder().MergeFrom(result);
+      }
+      
+      public override pbd::MessageDescriptor DescriptorForType {
+        get { return TestEmptyMessageWithExtensions.Descriptor; }
+      }
+      
+      public override TestEmptyMessageWithExtensions DefaultInstanceForType {
+        get { return TestEmptyMessageWithExtensions.DefaultInstance; }
+      }
+      
+      public override TestEmptyMessageWithExtensions BuildPartial() {
+        TestEmptyMessageWithExtensions returnMe = result;
+        result = null;
+        return returnMe;
+      }
+      
+      public override Builder MergeFrom(pb::IMessage other) {
+        if (other is TestEmptyMessageWithExtensions) {
+          return MergeFrom((TestEmptyMessageWithExtensions) other);
+        } else {
+          base.MergeFrom(other);
+          return this;
+        }
+      }
+      
+      public override Builder MergeFrom(TestEmptyMessageWithExtensions other) {
+        if (other == TestEmptyMessageWithExtensions.DefaultInstance) return this;
+        this.MergeUnknownFields(other.UnknownFields);
+        return this;
+      }
+      
+      public override Builder MergeFrom(pb::CodedInputStream input) {
+        return MergeFrom(input, pb::ExtensionRegistry.Empty);
+      }
+      
+      public override Builder MergeFrom(pb::CodedInputStream input, pb::ExtensionRegistry extensionRegistry) {
+        pb::UnknownFieldSet.Builder unknownFields = pb::UnknownFieldSet.CreateBuilder(this.UnknownFields);
+        while (true) {
+          uint tag = input.ReadTag();
+          switch (tag) {
+            case 0: {
+              this.UnknownFields = unknownFields.Build();
+              return this;
+            }
+            default: {
+              if (!ParseUnknownField(input, unknownFields, extensionRegistry, tag)) {
+                this.UnknownFields = unknownFields.Build();
+                return this;
+              }
+              break;
+            }
+          }
+        }
+      }
+      
+    }
+  }
+  
+  public sealed partial class TestReallyLargeTagNumber : pb::GeneratedMessage<TestReallyLargeTagNumber, TestReallyLargeTagNumber.Builder> {
+    private static readonly TestReallyLargeTagNumber defaultInstance = new Builder().BuildPartial();
+    public static TestReallyLargeTagNumber DefaultInstance {
+      get { return defaultInstance; }
+    }
+    
+    public override TestReallyLargeTagNumber DefaultInstanceForType {
+      get { return defaultInstance; }
+    }
+    
+    protected override TestReallyLargeTagNumber ThisMessage {
+      get { return this; }
+    }
+    
+    public static pbd::MessageDescriptor Descriptor {
+      get { return global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.internal__static_protobuf_unittest_TestReallyLargeTagNumber__Descriptor; }
+    }
+    
+    protected override pb::FieldAccess.FieldAccessorTable<TestReallyLargeTagNumber, TestReallyLargeTagNumber.Builder> InternalFieldAccessors {
+      get { return global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.internal__static_protobuf_unittest_TestReallyLargeTagNumber__FieldAccessorTable; }
+    }
+    
+    private bool hasA;
+    private int a_ = 0;
+    public bool HasA {
+      get { return hasA; }
+    }
+    public int A {
+      get { return a_; }
+    }
+    
+    private bool hasBb;
+    private int bb_ = 0;
+    public bool HasBb {
+      get { return hasBb; }
+    }
+    public int Bb {
+      get { return bb_; }
+    }
+    
+    public override bool IsInitialized {
+      get {
+        return true;
+      }
+    }
+    
+    public override void WriteTo(pb::CodedOutputStream output) {
+      if (HasA) {
+        output.WriteInt32(1, A);
+      }
+      if (HasBb) {
+        output.WriteInt32(268435455, Bb);
+      }
+      UnknownFields.WriteTo(output);
+    }
+    
+    private int memoizedSerializedSize = -1;
+    public override int SerializedSize {
+      get {
+        int size = memoizedSerializedSize;
+        if (size != -1) return size;
+        
+        size = 0;
+        if (HasA) {
+          size += pb::CodedOutputStream.ComputeInt32Size(1, A);
+        }
+        if (HasBb) {
+          size += pb::CodedOutputStream.ComputeInt32Size(268435455, Bb);
+        }
+        size += UnknownFields.SerializedSize;
+        memoizedSerializedSize = size;
+        return size;
+      }
+    }
+    
+    public static TestReallyLargeTagNumber ParseFrom(pb::ByteString data) {
+      return ((Builder) CreateBuilder().MergeFrom(data)).BuildParsed();
+    }
+    public static TestReallyLargeTagNumber ParseFrom(pb::ByteString data, pb::ExtensionRegistry extensionRegistry) {
+      return ((Builder) CreateBuilder().MergeFrom(data, extensionRegistry)).BuildParsed();
+    }
+    public static TestReallyLargeTagNumber ParseFrom(byte[] data) {
+      return ((Builder) CreateBuilder().MergeFrom(data)).BuildParsed();
+    }
+    public static TestReallyLargeTagNumber ParseFrom(byte[] data, pb::ExtensionRegistry extensionRegistry) {
+      return ((Builder) CreateBuilder().MergeFrom(data, extensionRegistry)).BuildParsed();
+    }
+    public static TestReallyLargeTagNumber ParseFrom(global::System.IO.Stream input) {
+      return ((Builder) CreateBuilder().MergeFrom(input)).BuildParsed();
+    }
+    public static TestReallyLargeTagNumber ParseFrom(global::System.IO.Stream input, pb::ExtensionRegistry extensionRegistry) {
+      return ((Builder) CreateBuilder().MergeFrom(input, extensionRegistry)).BuildParsed();
+    }
+    public static TestReallyLargeTagNumber ParseFrom(pb::CodedInputStream input) {
+      return ((Builder) CreateBuilder().MergeFrom(input)).BuildParsed();
+    }
+    public static TestReallyLargeTagNumber ParseFrom(pb::CodedInputStream input, pb::ExtensionRegistry extensionRegistry) {
+      return ((Builder) CreateBuilder().MergeFrom(input, extensionRegistry)).BuildParsed();
+    }
+    public static Builder CreateBuilder() { return new Builder(); }
+    public override Builder CreateBuilderForType() { return new Builder(); }
+    public static Builder CreateBuilder(TestReallyLargeTagNumber prototype) {
+      return (Builder) new Builder().MergeFrom(prototype);
+    }
+    
+    public sealed partial class Builder : pb::GeneratedBuilder<TestReallyLargeTagNumber, Builder> {
+      protected override Builder ThisBuilder {
+        get { return this; }
+      }
+      public Builder() {}
+      
+      TestReallyLargeTagNumber result = new TestReallyLargeTagNumber();
+      
+      protected override TestReallyLargeTagNumber MessageBeingBuilt {
+        get { return result; }
+      }
+      
+      public override Builder Clear() {
+        result = new TestReallyLargeTagNumber();
+        return this;
+      }
+      
+      public override Builder Clone() {
+        return new Builder().MergeFrom(result);
+      }
+      
+      public override pbd::MessageDescriptor DescriptorForType {
+        get { return TestReallyLargeTagNumber.Descriptor; }
+      }
+      
+      public override TestReallyLargeTagNumber DefaultInstanceForType {
+        get { return TestReallyLargeTagNumber.DefaultInstance; }
+      }
+      
+      public override TestReallyLargeTagNumber BuildPartial() {
+        TestReallyLargeTagNumber returnMe = result;
+        result = null;
+        return returnMe;
+      }
+      
+      public override Builder MergeFrom(pb::IMessage other) {
+        if (other is TestReallyLargeTagNumber) {
+          return MergeFrom((TestReallyLargeTagNumber) other);
+        } else {
+          base.MergeFrom(other);
+          return this;
+        }
+      }
+      
+      public override Builder MergeFrom(TestReallyLargeTagNumber other) {
+        if (other == TestReallyLargeTagNumber.DefaultInstance) return this;
+        if (other.HasA) {
+          A = other.A;
+        }
+        if (other.HasBb) {
+          Bb = other.Bb;
+        }
+        this.MergeUnknownFields(other.UnknownFields);
+        return this;
+      }
+      
+      public override Builder MergeFrom(pb::CodedInputStream input) {
+        return MergeFrom(input, pb::ExtensionRegistry.Empty);
+      }
+      
+      public override Builder MergeFrom(pb::CodedInputStream input, pb::ExtensionRegistry extensionRegistry) {
+        pb::UnknownFieldSet.Builder unknownFields = pb::UnknownFieldSet.CreateBuilder(this.UnknownFields);
+        while (true) {
+          uint tag = input.ReadTag();
+          switch (tag) {
+            case 0: {
+              this.UnknownFields = unknownFields.Build();
+              return this;
+            }
+            default: {
+              if (!ParseUnknownField(input, unknownFields, extensionRegistry, tag)) {
+                this.UnknownFields = unknownFields.Build();
+                return this;
+              }
+              break;
+            }
+            case 8: {
+              A = input.ReadInt32();
+              break;
+            }
+            case 2147483640: {
+              Bb = input.ReadInt32();
+              break;
+            }
+          }
+        }
+      }
+      
+      
+      public bool HasA {
+        get { return result.HasA; }
+      }
+      public int A {
+        get { return result.A; }
+        set { SetA(value); }
+      }
+      public Builder SetA(int value) {
+        result.hasA = true;
+        result.a_ = value;
+        return this;
+      }
+      public Builder ClearA() {
+        result.hasA = false;
+        result.a_ = 0;
+        return this;
+      }
+      
+      public bool HasBb {
+        get { return result.HasBb; }
+      }
+      public int Bb {
+        get { return result.Bb; }
+        set { SetBb(value); }
+      }
+      public Builder SetBb(int value) {
+        result.hasBb = true;
+        result.bb_ = value;
+        return this;
+      }
+      public Builder ClearBb() {
+        result.hasBb = false;
+        result.bb_ = 0;
+        return this;
+      }
+    }
+  }
+  
+  public sealed partial class TestRecursiveMessage : pb::GeneratedMessage<TestRecursiveMessage, TestRecursiveMessage.Builder> {
+    private static readonly TestRecursiveMessage defaultInstance = new Builder().BuildPartial();
+    public static TestRecursiveMessage DefaultInstance {
+      get { return defaultInstance; }
+    }
+    
+    public override TestRecursiveMessage DefaultInstanceForType {
+      get { return defaultInstance; }
+    }
+    
+    protected override TestRecursiveMessage ThisMessage {
+      get { return this; }
+    }
+    
+    public static pbd::MessageDescriptor Descriptor {
+      get { return global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.internal__static_protobuf_unittest_TestRecursiveMessage__Descriptor; }
+    }
+    
+    protected override pb::FieldAccess.FieldAccessorTable<TestRecursiveMessage, TestRecursiveMessage.Builder> InternalFieldAccessors {
+      get { return global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.internal__static_protobuf_unittest_TestRecursiveMessage__FieldAccessorTable; }
+    }
+    
+    private bool hasA;
+    private global::Google.ProtocolBuffers.TestProtos.TestRecursiveMessage a_ = global::Google.ProtocolBuffers.TestProtos.TestRecursiveMessage.DefaultInstance;
+    public bool HasA {
+      get { return hasA; }
+    }
+    public global::Google.ProtocolBuffers.TestProtos.TestRecursiveMessage A {
+      get { return a_; }
+    }
+    
+    private bool hasI;
+    private int i_ = 0;
+    public bool HasI {
+      get { return hasI; }
+    }
+    public int I {
+      get { return i_; }
+    }
+    
+    public override bool IsInitialized {
+      get {
+        return true;
+      }
+    }
+    
+    public override void WriteTo(pb::CodedOutputStream output) {
+      if (HasA) {
+        output.WriteMessage(1, A);
+      }
+      if (HasI) {
+        output.WriteInt32(2, I);
+      }
+      UnknownFields.WriteTo(output);
+    }
+    
+    private int memoizedSerializedSize = -1;
+    public override int SerializedSize {
+      get {
+        int size = memoizedSerializedSize;
+        if (size != -1) return size;
+        
+        size = 0;
+        if (HasA) {
+          size += pb::CodedOutputStream.ComputeMessageSize(1, A);
+        }
+        if (HasI) {
+          size += pb::CodedOutputStream.ComputeInt32Size(2, I);
+        }
+        size += UnknownFields.SerializedSize;
+        memoizedSerializedSize = size;
+        return size;
+      }
+    }
+    
+    public static TestRecursiveMessage ParseFrom(pb::ByteString data) {
+      return ((Builder) CreateBuilder().MergeFrom(data)).BuildParsed();
+    }
+    public static TestRecursiveMessage ParseFrom(pb::ByteString data, pb::ExtensionRegistry extensionRegistry) {
+      return ((Builder) CreateBuilder().MergeFrom(data, extensionRegistry)).BuildParsed();
+    }
+    public static TestRecursiveMessage ParseFrom(byte[] data) {
+      return ((Builder) CreateBuilder().MergeFrom(data)).BuildParsed();
+    }
+    public static TestRecursiveMessage ParseFrom(byte[] data, pb::ExtensionRegistry extensionRegistry) {
+      return ((Builder) CreateBuilder().MergeFrom(data, extensionRegistry)).BuildParsed();
+    }
+    public static TestRecursiveMessage ParseFrom(global::System.IO.Stream input) {
+      return ((Builder) CreateBuilder().MergeFrom(input)).BuildParsed();
+    }
+    public static TestRecursiveMessage ParseFrom(global::System.IO.Stream input, pb::ExtensionRegistry extensionRegistry) {
+      return ((Builder) CreateBuilder().MergeFrom(input, extensionRegistry)).BuildParsed();
+    }
+    public static TestRecursiveMessage ParseFrom(pb::CodedInputStream input) {
+      return ((Builder) CreateBuilder().MergeFrom(input)).BuildParsed();
+    }
+    public static TestRecursiveMessage ParseFrom(pb::CodedInputStream input, pb::ExtensionRegistry extensionRegistry) {
+      return ((Builder) CreateBuilder().MergeFrom(input, extensionRegistry)).BuildParsed();
+    }
+    public static Builder CreateBuilder() { return new Builder(); }
+    public override Builder CreateBuilderForType() { return new Builder(); }
+    public static Builder CreateBuilder(TestRecursiveMessage prototype) {
+      return (Builder) new Builder().MergeFrom(prototype);
+    }
+    
+    public sealed partial class Builder : pb::GeneratedBuilder<TestRecursiveMessage, Builder> {
+      protected override Builder ThisBuilder {
+        get { return this; }
+      }
+      public Builder() {}
+      
+      TestRecursiveMessage result = new TestRecursiveMessage();
+      
+      protected override TestRecursiveMessage MessageBeingBuilt {
+        get { return result; }
+      }
+      
+      public override Builder Clear() {
+        result = new TestRecursiveMessage();
+        return this;
+      }
+      
+      public override Builder Clone() {
+        return new Builder().MergeFrom(result);
+      }
+      
+      public override pbd::MessageDescriptor DescriptorForType {
+        get { return TestRecursiveMessage.Descriptor; }
+      }
+      
+      public override TestRecursiveMessage DefaultInstanceForType {
+        get { return TestRecursiveMessage.DefaultInstance; }
+      }
+      
+      public override TestRecursiveMessage BuildPartial() {
+        TestRecursiveMessage returnMe = result;
+        result = null;
+        return returnMe;
+      }
+      
+      public override Builder MergeFrom(pb::IMessage other) {
+        if (other is TestRecursiveMessage) {
+          return MergeFrom((TestRecursiveMessage) other);
+        } else {
+          base.MergeFrom(other);
+          return this;
+        }
+      }
+      
+      public override Builder MergeFrom(TestRecursiveMessage other) {
+        if (other == TestRecursiveMessage.DefaultInstance) return this;
+        if (other.HasA) {
+          MergeA(other.A);
+        }
+        if (other.HasI) {
+          I = other.I;
+        }
+        this.MergeUnknownFields(other.UnknownFields);
+        return this;
+      }
+      
+      public override Builder MergeFrom(pb::CodedInputStream input) {
+        return MergeFrom(input, pb::ExtensionRegistry.Empty);
+      }
+      
+      public override Builder MergeFrom(pb::CodedInputStream input, pb::ExtensionRegistry extensionRegistry) {
+        pb::UnknownFieldSet.Builder unknownFields = pb::UnknownFieldSet.CreateBuilder(this.UnknownFields);
+        while (true) {
+          uint tag = input.ReadTag();
+          switch (tag) {
+            case 0: {
+              this.UnknownFields = unknownFields.Build();
+              return this;
+            }
+            default: {
+              if (!ParseUnknownField(input, unknownFields, extensionRegistry, tag)) {
+                this.UnknownFields = unknownFields.Build();
+                return this;
+              }
+              break;
+            }
+            case 10: {
+              global::Google.ProtocolBuffers.TestProtos.TestRecursiveMessage.Builder subBuilder = global::Google.ProtocolBuffers.TestProtos.TestRecursiveMessage.CreateBuilder();
+              if (HasA) {
+                subBuilder.MergeFrom(A);
+              }
+              input.ReadMessage(subBuilder, extensionRegistry);
+              A = subBuilder.BuildPartial();
+              break;
+            }
+            case 16: {
+              I = input.ReadInt32();
+              break;
+            }
+          }
+        }
+      }
+      
+      
+      public bool HasA {
+       get { return result.HasA; }
+      }
+      public global::Google.ProtocolBuffers.TestProtos.TestRecursiveMessage A {
+        get { return result.A; }
+        set { SetA(value); }
+      }
+      public Builder SetA(global::Google.ProtocolBuffers.TestProtos.TestRecursiveMessage value) {
+        result.hasA = true;
+        result.a_ = value;
+        return this;
+      }
+      public Builder SetA(global::Google.ProtocolBuffers.TestProtos.TestRecursiveMessage.Builder builderForValue) {
+        result.hasA = true;
+        result.a_ = builderForValue.Build();
+        return this;
+      }
+      public Builder MergeA(global::Google.ProtocolBuffers.TestProtos.TestRecursiveMessage value) {
+        if (result.HasA &&
+            result.a_ != global::Google.ProtocolBuffers.TestProtos.TestRecursiveMessage.DefaultInstance) {
+            result.a_ = global::Google.ProtocolBuffers.TestProtos.TestRecursiveMessage.CreateBuilder(result.a_).MergeFrom(value).BuildPartial();
+        } else {
+          result.a_ = value;
+        }
+        result.hasA = true;
+        return this;
+      }
+      public Builder ClearA() {
+        result.hasA = false;
+        result.a_ = global::Google.ProtocolBuffers.TestProtos.TestRecursiveMessage.DefaultInstance;
+        return this;
+      }
+      
+      public bool HasI {
+        get { return result.HasI; }
+      }
+      public int I {
+        get { return result.I; }
+        set { SetI(value); }
+      }
+      public Builder SetI(int value) {
+        result.hasI = true;
+        result.i_ = value;
+        return this;
+      }
+      public Builder ClearI() {
+        result.hasI = false;
+        result.i_ = 0;
+        return this;
+      }
+    }
+  }
+  
+  public sealed partial class TestMutualRecursionA : pb::GeneratedMessage<TestMutualRecursionA, TestMutualRecursionA.Builder> {
+    private static readonly TestMutualRecursionA defaultInstance = new Builder().BuildPartial();
+    public static TestMutualRecursionA DefaultInstance {
+      get { return defaultInstance; }
+    }
+    
+    public override TestMutualRecursionA DefaultInstanceForType {
+      get { return defaultInstance; }
+    }
+    
+    protected override TestMutualRecursionA ThisMessage {
+      get { return this; }
+    }
+    
+    public static pbd::MessageDescriptor Descriptor {
+      get { return global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.internal__static_protobuf_unittest_TestMutualRecursionA__Descriptor; }
+    }
+    
+    protected override pb::FieldAccess.FieldAccessorTable<TestMutualRecursionA, TestMutualRecursionA.Builder> InternalFieldAccessors {
+      get { return global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.internal__static_protobuf_unittest_TestMutualRecursionA__FieldAccessorTable; }
+    }
+    
+    private bool hasBb;
+    private global::Google.ProtocolBuffers.TestProtos.TestMutualRecursionB bb_ = global::Google.ProtocolBuffers.TestProtos.TestMutualRecursionB.DefaultInstance;
+    public bool HasBb {
+      get { return hasBb; }
+    }
+    public global::Google.ProtocolBuffers.TestProtos.TestMutualRecursionB Bb {
+      get { return bb_; }
+    }
+    
+    public override bool IsInitialized {
+      get {
+        return true;
+      }
+    }
+    
+    public override void WriteTo(pb::CodedOutputStream output) {
+      if (HasBb) {
+        output.WriteMessage(1, Bb);
+      }
+      UnknownFields.WriteTo(output);
+    }
+    
+    private int memoizedSerializedSize = -1;
+    public override int SerializedSize {
+      get {
+        int size = memoizedSerializedSize;
+        if (size != -1) return size;
+        
+        size = 0;
+        if (HasBb) {
+          size += pb::CodedOutputStream.ComputeMessageSize(1, Bb);
+        }
+        size += UnknownFields.SerializedSize;
+        memoizedSerializedSize = size;
+        return size;
+      }
+    }
+    
+    public static TestMutualRecursionA ParseFrom(pb::ByteString data) {
+      return ((Builder) CreateBuilder().MergeFrom(data)).BuildParsed();
+    }
+    public static TestMutualRecursionA ParseFrom(pb::ByteString data, pb::ExtensionRegistry extensionRegistry) {
+      return ((Builder) CreateBuilder().MergeFrom(data, extensionRegistry)).BuildParsed();
+    }
+    public static TestMutualRecursionA ParseFrom(byte[] data) {
+      return ((Builder) CreateBuilder().MergeFrom(data)).BuildParsed();
+    }
+    public static TestMutualRecursionA ParseFrom(byte[] data, pb::ExtensionRegistry extensionRegistry) {
+      return ((Builder) CreateBuilder().MergeFrom(data, extensionRegistry)).BuildParsed();
+    }
+    public static TestMutualRecursionA ParseFrom(global::System.IO.Stream input) {
+      return ((Builder) CreateBuilder().MergeFrom(input)).BuildParsed();
+    }
+    public static TestMutualRecursionA ParseFrom(global::System.IO.Stream input, pb::ExtensionRegistry extensionRegistry) {
+      return ((Builder) CreateBuilder().MergeFrom(input, extensionRegistry)).BuildParsed();
+    }
+    public static TestMutualRecursionA ParseFrom(pb::CodedInputStream input) {
+      return ((Builder) CreateBuilder().MergeFrom(input)).BuildParsed();
+    }
+    public static TestMutualRecursionA ParseFrom(pb::CodedInputStream input, pb::ExtensionRegistry extensionRegistry) {
+      return ((Builder) CreateBuilder().MergeFrom(input, extensionRegistry)).BuildParsed();
+    }
+    public static Builder CreateBuilder() { return new Builder(); }
+    public override Builder CreateBuilderForType() { return new Builder(); }
+    public static Builder CreateBuilder(TestMutualRecursionA prototype) {
+      return (Builder) new Builder().MergeFrom(prototype);
+    }
+    
+    public sealed partial class Builder : pb::GeneratedBuilder<TestMutualRecursionA, Builder> {
+      protected override Builder ThisBuilder {
+        get { return this; }
+      }
+      public Builder() {}
+      
+      TestMutualRecursionA result = new TestMutualRecursionA();
+      
+      protected override TestMutualRecursionA MessageBeingBuilt {
+        get { return result; }
+      }
+      
+      public override Builder Clear() {
+        result = new TestMutualRecursionA();
+        return this;
+      }
+      
+      public override Builder Clone() {
+        return new Builder().MergeFrom(result);
+      }
+      
+      public override pbd::MessageDescriptor DescriptorForType {
+        get { return TestMutualRecursionA.Descriptor; }
+      }
+      
+      public override TestMutualRecursionA DefaultInstanceForType {
+        get { return TestMutualRecursionA.DefaultInstance; }
+      }
+      
+      public override TestMutualRecursionA BuildPartial() {
+        TestMutualRecursionA returnMe = result;
+        result = null;
+        return returnMe;
+      }
+      
+      public override Builder MergeFrom(pb::IMessage other) {
+        if (other is TestMutualRecursionA) {
+          return MergeFrom((TestMutualRecursionA) other);
+        } else {
+          base.MergeFrom(other);
+          return this;
+        }
+      }
+      
+      public override Builder MergeFrom(TestMutualRecursionA other) {
+        if (other == TestMutualRecursionA.DefaultInstance) return this;
+        if (other.HasBb) {
+          MergeBb(other.Bb);
+        }
+        this.MergeUnknownFields(other.UnknownFields);
+        return this;
+      }
+      
+      public override Builder MergeFrom(pb::CodedInputStream input) {
+        return MergeFrom(input, pb::ExtensionRegistry.Empty);
+      }
+      
+      public override Builder MergeFrom(pb::CodedInputStream input, pb::ExtensionRegistry extensionRegistry) {
+        pb::UnknownFieldSet.Builder unknownFields = pb::UnknownFieldSet.CreateBuilder(this.UnknownFields);
+        while (true) {
+          uint tag = input.ReadTag();
+          switch (tag) {
+            case 0: {
+              this.UnknownFields = unknownFields.Build();
+              return this;
+            }
+            default: {
+              if (!ParseUnknownField(input, unknownFields, extensionRegistry, tag)) {
+                this.UnknownFields = unknownFields.Build();
+                return this;
+              }
+              break;
+            }
+            case 10: {
+              global::Google.ProtocolBuffers.TestProtos.TestMutualRecursionB.Builder subBuilder = global::Google.ProtocolBuffers.TestProtos.TestMutualRecursionB.CreateBuilder();
+              if (HasBb) {
+                subBuilder.MergeFrom(Bb);
+              }
+              input.ReadMessage(subBuilder, extensionRegistry);
+              Bb = subBuilder.BuildPartial();
+              break;
+            }
+          }
+        }
+      }
+      
+      
+      public bool HasBb {
+       get { return result.HasBb; }
+      }
+      public global::Google.ProtocolBuffers.TestProtos.TestMutualRecursionB Bb {
+        get { return result.Bb; }
+        set { SetBb(value); }
+      }
+      public Builder SetBb(global::Google.ProtocolBuffers.TestProtos.TestMutualRecursionB value) {
+        result.hasBb = true;
+        result.bb_ = value;
+        return this;
+      }
+      public Builder SetBb(global::Google.ProtocolBuffers.TestProtos.TestMutualRecursionB.Builder builderForValue) {
+        result.hasBb = true;
+        result.bb_ = builderForValue.Build();
+        return this;
+      }
+      public Builder MergeBb(global::Google.ProtocolBuffers.TestProtos.TestMutualRecursionB value) {
+        if (result.HasBb &&
+            result.bb_ != global::Google.ProtocolBuffers.TestProtos.TestMutualRecursionB.DefaultInstance) {
+            result.bb_ = global::Google.ProtocolBuffers.TestProtos.TestMutualRecursionB.CreateBuilder(result.bb_).MergeFrom(value).BuildPartial();
+        } else {
+          result.bb_ = value;
+        }
+        result.hasBb = true;
+        return this;
+      }
+      public Builder ClearBb() {
+        result.hasBb = false;
+        result.bb_ = global::Google.ProtocolBuffers.TestProtos.TestMutualRecursionB.DefaultInstance;
+        return this;
+      }
+    }
+  }
+  
+  public sealed partial class TestMutualRecursionB : pb::GeneratedMessage<TestMutualRecursionB, TestMutualRecursionB.Builder> {
+    private static readonly TestMutualRecursionB defaultInstance = new Builder().BuildPartial();
+    public static TestMutualRecursionB DefaultInstance {
+      get { return defaultInstance; }
+    }
+    
+    public override TestMutualRecursionB DefaultInstanceForType {
+      get { return defaultInstance; }
+    }
+    
+    protected override TestMutualRecursionB ThisMessage {
+      get { return this; }
+    }
+    
+    public static pbd::MessageDescriptor Descriptor {
+      get { return global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.internal__static_protobuf_unittest_TestMutualRecursionB__Descriptor; }
+    }
+    
+    protected override pb::FieldAccess.FieldAccessorTable<TestMutualRecursionB, TestMutualRecursionB.Builder> InternalFieldAccessors {
+      get { return global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.internal__static_protobuf_unittest_TestMutualRecursionB__FieldAccessorTable; }
+    }
+    
+    private bool hasA;
+    private global::Google.ProtocolBuffers.TestProtos.TestMutualRecursionA a_ = global::Google.ProtocolBuffers.TestProtos.TestMutualRecursionA.DefaultInstance;
+    public bool HasA {
+      get { return hasA; }
+    }
+    public global::Google.ProtocolBuffers.TestProtos.TestMutualRecursionA A {
+      get { return a_; }
+    }
+    
+    private bool hasOptionalInt32;
+    private int optionalInt32_ = 0;
+    public bool HasOptionalInt32 {
+      get { return hasOptionalInt32; }
+    }
+    public int OptionalInt32 {
+      get { return optionalInt32_; }
+    }
+    
+    public override bool IsInitialized {
+      get {
+        return true;
+      }
+    }
+    
+    public override void WriteTo(pb::CodedOutputStream output) {
+      if (HasA) {
+        output.WriteMessage(1, A);
+      }
+      if (HasOptionalInt32) {
+        output.WriteInt32(2, OptionalInt32);
+      }
+      UnknownFields.WriteTo(output);
+    }
+    
+    private int memoizedSerializedSize = -1;
+    public override int SerializedSize {
+      get {
+        int size = memoizedSerializedSize;
+        if (size != -1) return size;
+        
+        size = 0;
+        if (HasA) {
+          size += pb::CodedOutputStream.ComputeMessageSize(1, A);
+        }
+        if (HasOptionalInt32) {
+          size += pb::CodedOutputStream.ComputeInt32Size(2, OptionalInt32);
+        }
+        size += UnknownFields.SerializedSize;
+        memoizedSerializedSize = size;
+        return size;
+      }
+    }
+    
+    public static TestMutualRecursionB ParseFrom(pb::ByteString data) {
+      return ((Builder) CreateBuilder().MergeFrom(data)).BuildParsed();
+    }
+    public static TestMutualRecursionB ParseFrom(pb::ByteString data, pb::ExtensionRegistry extensionRegistry) {
+      return ((Builder) CreateBuilder().MergeFrom(data, extensionRegistry)).BuildParsed();
+    }
+    public static TestMutualRecursionB ParseFrom(byte[] data) {
+      return ((Builder) CreateBuilder().MergeFrom(data)).BuildParsed();
+    }
+    public static TestMutualRecursionB ParseFrom(byte[] data, pb::ExtensionRegistry extensionRegistry) {
+      return ((Builder) CreateBuilder().MergeFrom(data, extensionRegistry)).BuildParsed();
+    }
+    public static TestMutualRecursionB ParseFrom(global::System.IO.Stream input) {
+      return ((Builder) CreateBuilder().MergeFrom(input)).BuildParsed();
+    }
+    public static TestMutualRecursionB ParseFrom(global::System.IO.Stream input, pb::ExtensionRegistry extensionRegistry) {
+      return ((Builder) CreateBuilder().MergeFrom(input, extensionRegistry)).BuildParsed();
+    }
+    public static TestMutualRecursionB ParseFrom(pb::CodedInputStream input) {
+      return ((Builder) CreateBuilder().MergeFrom(input)).BuildParsed();
+    }
+    public static TestMutualRecursionB ParseFrom(pb::CodedInputStream input, pb::ExtensionRegistry extensionRegistry) {
+      return ((Builder) CreateBuilder().MergeFrom(input, extensionRegistry)).BuildParsed();
+    }
+    public static Builder CreateBuilder() { return new Builder(); }
+    public override Builder CreateBuilderForType() { return new Builder(); }
+    public static Builder CreateBuilder(TestMutualRecursionB prototype) {
+      return (Builder) new Builder().MergeFrom(prototype);
+    }
+    
+    public sealed partial class Builder : pb::GeneratedBuilder<TestMutualRecursionB, Builder> {
+      protected override Builder ThisBuilder {
+        get { return this; }
+      }
+      public Builder() {}
+      
+      TestMutualRecursionB result = new TestMutualRecursionB();
+      
+      protected override TestMutualRecursionB MessageBeingBuilt {
+        get { return result; }
+      }
+      
+      public override Builder Clear() {
+        result = new TestMutualRecursionB();
+        return this;
+      }
+      
+      public override Builder Clone() {
+        return new Builder().MergeFrom(result);
+      }
+      
+      public override pbd::MessageDescriptor DescriptorForType {
+        get { return TestMutualRecursionB.Descriptor; }
+      }
+      
+      public override TestMutualRecursionB DefaultInstanceForType {
+        get { return TestMutualRecursionB.DefaultInstance; }
+      }
+      
+      public override TestMutualRecursionB BuildPartial() {
+        TestMutualRecursionB returnMe = result;
+        result = null;
+        return returnMe;
+      }
+      
+      public override Builder MergeFrom(pb::IMessage other) {
+        if (other is TestMutualRecursionB) {
+          return MergeFrom((TestMutualRecursionB) other);
+        } else {
+          base.MergeFrom(other);
+          return this;
+        }
+      }
+      
+      public override Builder MergeFrom(TestMutualRecursionB other) {
+        if (other == TestMutualRecursionB.DefaultInstance) return this;
+        if (other.HasA) {
+          MergeA(other.A);
+        }
+        if (other.HasOptionalInt32) {
+          OptionalInt32 = other.OptionalInt32;
+        }
+        this.MergeUnknownFields(other.UnknownFields);
+        return this;
+      }
+      
+      public override Builder MergeFrom(pb::CodedInputStream input) {
+        return MergeFrom(input, pb::ExtensionRegistry.Empty);
+      }
+      
+      public override Builder MergeFrom(pb::CodedInputStream input, pb::ExtensionRegistry extensionRegistry) {
+        pb::UnknownFieldSet.Builder unknownFields = pb::UnknownFieldSet.CreateBuilder(this.UnknownFields);
+        while (true) {
+          uint tag = input.ReadTag();
+          switch (tag) {
+            case 0: {
+              this.UnknownFields = unknownFields.Build();
+              return this;
+            }
+            default: {
+              if (!ParseUnknownField(input, unknownFields, extensionRegistry, tag)) {
+                this.UnknownFields = unknownFields.Build();
+                return this;
+              }
+              break;
+            }
+            case 10: {
+              global::Google.ProtocolBuffers.TestProtos.TestMutualRecursionA.Builder subBuilder = global::Google.ProtocolBuffers.TestProtos.TestMutualRecursionA.CreateBuilder();
+              if (HasA) {
+                subBuilder.MergeFrom(A);
+              }
+              input.ReadMessage(subBuilder, extensionRegistry);
+              A = subBuilder.BuildPartial();
+              break;
+            }
+            case 16: {
+              OptionalInt32 = input.ReadInt32();
+              break;
+            }
+          }
+        }
+      }
+      
+      
+      public bool HasA {
+       get { return result.HasA; }
+      }
+      public global::Google.ProtocolBuffers.TestProtos.TestMutualRecursionA A {
+        get { return result.A; }
+        set { SetA(value); }
+      }
+      public Builder SetA(global::Google.ProtocolBuffers.TestProtos.TestMutualRecursionA value) {
+        result.hasA = true;
+        result.a_ = value;
+        return this;
+      }
+      public Builder SetA(global::Google.ProtocolBuffers.TestProtos.TestMutualRecursionA.Builder builderForValue) {
+        result.hasA = true;
+        result.a_ = builderForValue.Build();
+        return this;
+      }
+      public Builder MergeA(global::Google.ProtocolBuffers.TestProtos.TestMutualRecursionA value) {
+        if (result.HasA &&
+            result.a_ != global::Google.ProtocolBuffers.TestProtos.TestMutualRecursionA.DefaultInstance) {
+            result.a_ = global::Google.ProtocolBuffers.TestProtos.TestMutualRecursionA.CreateBuilder(result.a_).MergeFrom(value).BuildPartial();
+        } else {
+          result.a_ = value;
+        }
+        result.hasA = true;
+        return this;
+      }
+      public Builder ClearA() {
+        result.hasA = false;
+        result.a_ = global::Google.ProtocolBuffers.TestProtos.TestMutualRecursionA.DefaultInstance;
+        return this;
+      }
+      
+      public bool HasOptionalInt32 {
+        get { return result.HasOptionalInt32; }
+      }
+      public int OptionalInt32 {
+        get { return result.OptionalInt32; }
+        set { SetOptionalInt32(value); }
+      }
+      public Builder SetOptionalInt32(int value) {
+        result.hasOptionalInt32 = true;
+        result.optionalInt32_ = value;
+        return this;
+      }
+      public Builder ClearOptionalInt32() {
+        result.hasOptionalInt32 = false;
+        result.optionalInt32_ = 0;
+        return this;
+      }
+    }
+  }
+  
+  public sealed partial class TestDupFieldNumber : pb::GeneratedMessage<TestDupFieldNumber, TestDupFieldNumber.Builder> {
+    private static readonly TestDupFieldNumber defaultInstance = new Builder().BuildPartial();
+    public static TestDupFieldNumber DefaultInstance {
+      get { return defaultInstance; }
+    }
+    
+    public override TestDupFieldNumber DefaultInstanceForType {
+      get { return defaultInstance; }
+    }
+    
+    protected override TestDupFieldNumber ThisMessage {
+      get { return this; }
+    }
+    
+    public static pbd::MessageDescriptor Descriptor {
+      get { return global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.internal__static_protobuf_unittest_TestDupFieldNumber__Descriptor; }
+    }
+    
+    protected override pb::FieldAccess.FieldAccessorTable<TestDupFieldNumber, TestDupFieldNumber.Builder> InternalFieldAccessors {
+      get { return global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.internal__static_protobuf_unittest_TestDupFieldNumber__FieldAccessorTable; }
+    }
+    
+    #region Nested types
+    public static class Types {
+      public sealed partial class Foo : pb::GeneratedMessage<Foo, Foo.Builder> {
+        private static readonly Foo defaultInstance = new Builder().BuildPartial();
+        public static Foo DefaultInstance {
+          get { return defaultInstance; }
+        }
+        
+        public override Foo DefaultInstanceForType {
+          get { return defaultInstance; }
+        }
+        
+        protected override Foo ThisMessage {
+          get { return this; }
+        }
+        
+        public static pbd::MessageDescriptor Descriptor {
+          get { return global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.internal__static_protobuf_unittest_TestDupFieldNumber_Foo__Descriptor; }
+        }
+        
+        protected override pb::FieldAccess.FieldAccessorTable<Foo, Foo.Builder> InternalFieldAccessors {
+          get { return global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.internal__static_protobuf_unittest_TestDupFieldNumber_Foo__FieldAccessorTable; }
+        }
+        
+        private bool hasA;
+        private int a_ = 0;
+        public bool HasA {
+          get { return hasA; }
+        }
+        public int A {
+          get { return a_; }
+        }
+        
+        public override bool IsInitialized {
+          get {
+            return true;
+          }
+        }
+        
+        public override void WriteTo(pb::CodedOutputStream output) {
+          if (HasA) {
+            output.WriteInt32(1, A);
+          }
+          UnknownFields.WriteTo(output);
+        }
+        
+        private int memoizedSerializedSize = -1;
+        public override int SerializedSize {
+          get {
+            int size = memoizedSerializedSize;
+            if (size != -1) return size;
+            
+            size = 0;
+            if (HasA) {
+              size += pb::CodedOutputStream.ComputeInt32Size(1, A);
+            }
+            size += UnknownFields.SerializedSize;
+            memoizedSerializedSize = size;
+            return size;
+          }
+        }
+        
+        public static Foo ParseFrom(pb::ByteString data) {
+          return ((Builder) CreateBuilder().MergeFrom(data)).BuildParsed();
+        }
+        public static Foo ParseFrom(pb::ByteString data, pb::ExtensionRegistry extensionRegistry) {
+          return ((Builder) CreateBuilder().MergeFrom(data, extensionRegistry)).BuildParsed();
+        }
+        public static Foo ParseFrom(byte[] data) {
+          return ((Builder) CreateBuilder().MergeFrom(data)).BuildParsed();
+        }
+        public static Foo ParseFrom(byte[] data, pb::ExtensionRegistry extensionRegistry) {
+          return ((Builder) CreateBuilder().MergeFrom(data, extensionRegistry)).BuildParsed();
+        }
+        public static Foo ParseFrom(global::System.IO.Stream input) {
+          return ((Builder) CreateBuilder().MergeFrom(input)).BuildParsed();
+        }
+        public static Foo ParseFrom(global::System.IO.Stream input, pb::ExtensionRegistry extensionRegistry) {
+          return ((Builder) CreateBuilder().MergeFrom(input, extensionRegistry)).BuildParsed();
+        }
+        public static Foo ParseFrom(pb::CodedInputStream input) {
+          return ((Builder) CreateBuilder().MergeFrom(input)).BuildParsed();
+        }
+        public static Foo ParseFrom(pb::CodedInputStream input, pb::ExtensionRegistry extensionRegistry) {
+          return ((Builder) CreateBuilder().MergeFrom(input, extensionRegistry)).BuildParsed();
+        }
+        public static Builder CreateBuilder() { return new Builder(); }
+        public override Builder CreateBuilderForType() { return new Builder(); }
+        public static Builder CreateBuilder(Foo prototype) {
+          return (Builder) new Builder().MergeFrom(prototype);
+        }
+        
+        public sealed partial class Builder : pb::GeneratedBuilder<Foo, Builder> {
+          protected override Builder ThisBuilder {
+            get { return this; }
+          }
+          public Builder() {}
+          
+          Foo result = new Foo();
+          
+          protected override Foo MessageBeingBuilt {
+            get { return result; }
+          }
+          
+          public override Builder Clear() {
+            result = new Foo();
+            return this;
+          }
+          
+          public override Builder Clone() {
+            return new Builder().MergeFrom(result);
+          }
+          
+          public override pbd::MessageDescriptor DescriptorForType {
+            get { return Foo.Descriptor; }
+          }
+          
+          public override Foo DefaultInstanceForType {
+            get { return Foo.DefaultInstance; }
+          }
+          
+          public override Foo BuildPartial() {
+            Foo returnMe = result;
+            result = null;
+            return returnMe;
+          }
+          
+          public override Builder MergeFrom(pb::IMessage other) {
+            if (other is Foo) {
+              return MergeFrom((Foo) other);
+            } else {
+              base.MergeFrom(other);
+              return this;
+            }
+          }
+          
+          public override Builder MergeFrom(Foo other) {
+            if (other == Foo.DefaultInstance) return this;
+            if (other.HasA) {
+              A = other.A;
+            }
+            this.MergeUnknownFields(other.UnknownFields);
+            return this;
+          }
+          
+          public override Builder MergeFrom(pb::CodedInputStream input) {
+            return MergeFrom(input, pb::ExtensionRegistry.Empty);
+          }
+          
+          public override Builder MergeFrom(pb::CodedInputStream input, pb::ExtensionRegistry extensionRegistry) {
+            pb::UnknownFieldSet.Builder unknownFields = pb::UnknownFieldSet.CreateBuilder(this.UnknownFields);
+            while (true) {
+              uint tag = input.ReadTag();
+              switch (tag) {
+                case 0: {
+                  this.UnknownFields = unknownFields.Build();
+                  return this;
+                }
+                default: {
+                  if (!ParseUnknownField(input, unknownFields, extensionRegistry, tag)) {
+                    this.UnknownFields = unknownFields.Build();
+                    return this;
+                  }
+                  break;
+                }
+                case 8: {
+                  A = input.ReadInt32();
+                  break;
+                }
+              }
+            }
+          }
+          
+          
+          public bool HasA {
+            get { return result.HasA; }
+          }
+          public int A {
+            get { return result.A; }
+            set { SetA(value); }
+          }
+          public Builder SetA(int value) {
+            result.hasA = true;
+            result.a_ = value;
+            return this;
+          }
+          public Builder ClearA() {
+            result.hasA = false;
+            result.a_ = 0;
+            return this;
+          }
+        }
+      }
+      
+      public sealed partial class Bar : pb::GeneratedMessage<Bar, Bar.Builder> {
+        private static readonly Bar defaultInstance = new Builder().BuildPartial();
+        public static Bar DefaultInstance {
+          get { return defaultInstance; }
+        }
+        
+        public override Bar DefaultInstanceForType {
+          get { return defaultInstance; }
+        }
+        
+        protected override Bar ThisMessage {
+          get { return this; }
+        }
+        
+        public static pbd::MessageDescriptor Descriptor {
+          get { return global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.internal__static_protobuf_unittest_TestDupFieldNumber_Bar__Descriptor; }
+        }
+        
+        protected override pb::FieldAccess.FieldAccessorTable<Bar, Bar.Builder> InternalFieldAccessors {
+          get { return global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.internal__static_protobuf_unittest_TestDupFieldNumber_Bar__FieldAccessorTable; }
+        }
+        
+        private bool hasA;
+        private int a_ = 0;
+        public bool HasA {
+          get { return hasA; }
+        }
+        public int A {
+          get { return a_; }
+        }
+        
+        public override bool IsInitialized {
+          get {
+            return true;
+          }
+        }
+        
+        public override void WriteTo(pb::CodedOutputStream output) {
+          if (HasA) {
+            output.WriteInt32(1, A);
+          }
+          UnknownFields.WriteTo(output);
+        }
+        
+        private int memoizedSerializedSize = -1;
+        public override int SerializedSize {
+          get {
+            int size = memoizedSerializedSize;
+            if (size != -1) return size;
+            
+            size = 0;
+            if (HasA) {
+              size += pb::CodedOutputStream.ComputeInt32Size(1, A);
+            }
+            size += UnknownFields.SerializedSize;
+            memoizedSerializedSize = size;
+            return size;
+          }
+        }
+        
+        public static Bar ParseFrom(pb::ByteString data) {
+          return ((Builder) CreateBuilder().MergeFrom(data)).BuildParsed();
+        }
+        public static Bar ParseFrom(pb::ByteString data, pb::ExtensionRegistry extensionRegistry) {
+          return ((Builder) CreateBuilder().MergeFrom(data, extensionRegistry)).BuildParsed();
+        }
+        public static Bar ParseFrom(byte[] data) {
+          return ((Builder) CreateBuilder().MergeFrom(data)).BuildParsed();
+        }
+        public static Bar ParseFrom(byte[] data, pb::ExtensionRegistry extensionRegistry) {
+          return ((Builder) CreateBuilder().MergeFrom(data, extensionRegistry)).BuildParsed();
+        }
+        public static Bar ParseFrom(global::System.IO.Stream input) {
+          return ((Builder) CreateBuilder().MergeFrom(input)).BuildParsed();
+        }
+        public static Bar ParseFrom(global::System.IO.Stream input, pb::ExtensionRegistry extensionRegistry) {
+          return ((Builder) CreateBuilder().MergeFrom(input, extensionRegistry)).BuildParsed();
+        }
+        public static Bar ParseFrom(pb::CodedInputStream input) {
+          return ((Builder) CreateBuilder().MergeFrom(input)).BuildParsed();
+        }
+        public static Bar ParseFrom(pb::CodedInputStream input, pb::ExtensionRegistry extensionRegistry) {
+          return ((Builder) CreateBuilder().MergeFrom(input, extensionRegistry)).BuildParsed();
+        }
+        public static Builder CreateBuilder() { return new Builder(); }
+        public override Builder CreateBuilderForType() { return new Builder(); }
+        public static Builder CreateBuilder(Bar prototype) {
+          return (Builder) new Builder().MergeFrom(prototype);
+        }
+        
+        public sealed partial class Builder : pb::GeneratedBuilder<Bar, Builder> {
+          protected override Builder ThisBuilder {
+            get { return this; }
+          }
+          public Builder() {}
+          
+          Bar result = new Bar();
+          
+          protected override Bar MessageBeingBuilt {
+            get { return result; }
+          }
+          
+          public override Builder Clear() {
+            result = new Bar();
+            return this;
+          }
+          
+          public override Builder Clone() {
+            return new Builder().MergeFrom(result);
+          }
+          
+          public override pbd::MessageDescriptor DescriptorForType {
+            get { return Bar.Descriptor; }
+          }
+          
+          public override Bar DefaultInstanceForType {
+            get { return Bar.DefaultInstance; }
+          }
+          
+          public override Bar BuildPartial() {
+            Bar returnMe = result;
+            result = null;
+            return returnMe;
+          }
+          
+          public override Builder MergeFrom(pb::IMessage other) {
+            if (other is Bar) {
+              return MergeFrom((Bar) other);
+            } else {
+              base.MergeFrom(other);
+              return this;
+            }
+          }
+          
+          public override Builder MergeFrom(Bar other) {
+            if (other == Bar.DefaultInstance) return this;
+            if (other.HasA) {
+              A = other.A;
+            }
+            this.MergeUnknownFields(other.UnknownFields);
+            return this;
+          }
+          
+          public override Builder MergeFrom(pb::CodedInputStream input) {
+            return MergeFrom(input, pb::ExtensionRegistry.Empty);
+          }
+          
+          public override Builder MergeFrom(pb::CodedInputStream input, pb::ExtensionRegistry extensionRegistry) {
+            pb::UnknownFieldSet.Builder unknownFields = pb::UnknownFieldSet.CreateBuilder(this.UnknownFields);
+            while (true) {
+              uint tag = input.ReadTag();
+              switch (tag) {
+                case 0: {
+                  this.UnknownFields = unknownFields.Build();
+                  return this;
+                }
+                default: {
+                  if (!ParseUnknownField(input, unknownFields, extensionRegistry, tag)) {
+                    this.UnknownFields = unknownFields.Build();
+                    return this;
+                  }
+                  break;
+                }
+                case 8: {
+                  A = input.ReadInt32();
+                  break;
+                }
+              }
+            }
+          }
+          
+          
+          public bool HasA {
+            get { return result.HasA; }
+          }
+          public int A {
+            get { return result.A; }
+            set { SetA(value); }
+          }
+          public Builder SetA(int value) {
+            result.hasA = true;
+            result.a_ = value;
+            return this;
+          }
+          public Builder ClearA() {
+            result.hasA = false;
+            result.a_ = 0;
+            return this;
+          }
+        }
+      }
+      
+    }
+    #endregion
+    
+    private bool hasA;
+    private int a_ = 0;
+    public bool HasA {
+      get { return hasA; }
+    }
+    public int A {
+      get { return a_; }
+    }
+    
+    private bool hasFoo;
+    private global::Google.ProtocolBuffers.TestProtos.TestDupFieldNumber.Types.Foo foo_ = global::Google.ProtocolBuffers.TestProtos.TestDupFieldNumber.Types.Foo.DefaultInstance;
+    public bool HasFoo {
+      get { return hasFoo; }
+    }
+    public global::Google.ProtocolBuffers.TestProtos.TestDupFieldNumber.Types.Foo Foo {
+      get { return foo_; }
+    }
+    
+    private bool hasBar;
+    private global::Google.ProtocolBuffers.TestProtos.TestDupFieldNumber.Types.Bar bar_ = global::Google.ProtocolBuffers.TestProtos.TestDupFieldNumber.Types.Bar.DefaultInstance;
+    public bool HasBar {
+      get { return hasBar; }
+    }
+    public global::Google.ProtocolBuffers.TestProtos.TestDupFieldNumber.Types.Bar Bar {
+      get { return bar_; }
+    }
+    
+    public override bool IsInitialized {
+      get {
+        return true;
+      }
+    }
+    
+    public override void WriteTo(pb::CodedOutputStream output) {
+      if (HasA) {
+        output.WriteInt32(1, A);
+      }
+      if (HasFoo) {
+        output.WriteGroup(2, Foo);
+      }
+      if (HasBar) {
+        output.WriteGroup(3, Bar);
+      }
+      UnknownFields.WriteTo(output);
+    }
+    
+    private int memoizedSerializedSize = -1;
+    public override int SerializedSize {
+      get {
+        int size = memoizedSerializedSize;
+        if (size != -1) return size;
+        
+        size = 0;
+        if (HasA) {
+          size += pb::CodedOutputStream.ComputeInt32Size(1, A);
+        }
+        if (HasFoo) {
+          size += pb::CodedOutputStream.ComputeGroupSize(2, Foo);
+        }
+        if (HasBar) {
+          size += pb::CodedOutputStream.ComputeGroupSize(3, Bar);
+        }
+        size += UnknownFields.SerializedSize;
+        memoizedSerializedSize = size;
+        return size;
+      }
+    }
+    
+    public static TestDupFieldNumber ParseFrom(pb::ByteString data) {
+      return ((Builder) CreateBuilder().MergeFrom(data)).BuildParsed();
+    }
+    public static TestDupFieldNumber ParseFrom(pb::ByteString data, pb::ExtensionRegistry extensionRegistry) {
+      return ((Builder) CreateBuilder().MergeFrom(data, extensionRegistry)).BuildParsed();
+    }
+    public static TestDupFieldNumber ParseFrom(byte[] data) {
+      return ((Builder) CreateBuilder().MergeFrom(data)).BuildParsed();
+    }
+    public static TestDupFieldNumber ParseFrom(byte[] data, pb::ExtensionRegistry extensionRegistry) {
+      return ((Builder) CreateBuilder().MergeFrom(data, extensionRegistry)).BuildParsed();
+    }
+    public static TestDupFieldNumber ParseFrom(global::System.IO.Stream input) {
+      return ((Builder) CreateBuilder().MergeFrom(input)).BuildParsed();
+    }
+    public static TestDupFieldNumber ParseFrom(global::System.IO.Stream input, pb::ExtensionRegistry extensionRegistry) {
+      return ((Builder) CreateBuilder().MergeFrom(input, extensionRegistry)).BuildParsed();
+    }
+    public static TestDupFieldNumber ParseFrom(pb::CodedInputStream input) {
+      return ((Builder) CreateBuilder().MergeFrom(input)).BuildParsed();
+    }
+    public static TestDupFieldNumber ParseFrom(pb::CodedInputStream input, pb::ExtensionRegistry extensionRegistry) {
+      return ((Builder) CreateBuilder().MergeFrom(input, extensionRegistry)).BuildParsed();
+    }
+    public static Builder CreateBuilder() { return new Builder(); }
+    public override Builder CreateBuilderForType() { return new Builder(); }
+    public static Builder CreateBuilder(TestDupFieldNumber prototype) {
+      return (Builder) new Builder().MergeFrom(prototype);
+    }
+    
+    public sealed partial class Builder : pb::GeneratedBuilder<TestDupFieldNumber, Builder> {
+      protected override Builder ThisBuilder {
+        get { return this; }
+      }
+      public Builder() {}
+      
+      TestDupFieldNumber result = new TestDupFieldNumber();
+      
+      protected override TestDupFieldNumber MessageBeingBuilt {
+        get { return result; }
+      }
+      
+      public override Builder Clear() {
+        result = new TestDupFieldNumber();
+        return this;
+      }
+      
+      public override Builder Clone() {
+        return new Builder().MergeFrom(result);
+      }
+      
+      public override pbd::MessageDescriptor DescriptorForType {
+        get { return TestDupFieldNumber.Descriptor; }
+      }
+      
+      public override TestDupFieldNumber DefaultInstanceForType {
+        get { return TestDupFieldNumber.DefaultInstance; }
+      }
+      
+      public override TestDupFieldNumber BuildPartial() {
+        TestDupFieldNumber returnMe = result;
+        result = null;
+        return returnMe;
+      }
+      
+      public override Builder MergeFrom(pb::IMessage other) {
+        if (other is TestDupFieldNumber) {
+          return MergeFrom((TestDupFieldNumber) other);
+        } else {
+          base.MergeFrom(other);
+          return this;
+        }
+      }
+      
+      public override Builder MergeFrom(TestDupFieldNumber other) {
+        if (other == TestDupFieldNumber.DefaultInstance) return this;
+        if (other.HasA) {
+          A = other.A;
+        }
+        if (other.HasFoo) {
+          MergeFoo(other.Foo);
+        }
+        if (other.HasBar) {
+          MergeBar(other.Bar);
+        }
+        this.MergeUnknownFields(other.UnknownFields);
+        return this;
+      }
+      
+      public override Builder MergeFrom(pb::CodedInputStream input) {
+        return MergeFrom(input, pb::ExtensionRegistry.Empty);
+      }
+      
+      public override Builder MergeFrom(pb::CodedInputStream input, pb::ExtensionRegistry extensionRegistry) {
+        pb::UnknownFieldSet.Builder unknownFields = pb::UnknownFieldSet.CreateBuilder(this.UnknownFields);
+        while (true) {
+          uint tag = input.ReadTag();
+          switch (tag) {
+            case 0: {
+              this.UnknownFields = unknownFields.Build();
+              return this;
+            }
+            default: {
+              if (!ParseUnknownField(input, unknownFields, extensionRegistry, tag)) {
+                this.UnknownFields = unknownFields.Build();
+                return this;
+              }
+              break;
+            }
+            case 8: {
+              A = input.ReadInt32();
+              break;
+            }
+            case 19: {
+              global::Google.ProtocolBuffers.TestProtos.TestDupFieldNumber.Types.Foo.Builder subBuilder = global::Google.ProtocolBuffers.TestProtos.TestDupFieldNumber.Types.Foo.CreateBuilder();
+              if (HasFoo) {
+                subBuilder.MergeFrom(Foo);
+              }
+              input.ReadGroup(2, subBuilder, extensionRegistry);
+              Foo = subBuilder.BuildPartial();
+              break;
+            }
+            case 27: {
+              global::Google.ProtocolBuffers.TestProtos.TestDupFieldNumber.Types.Bar.Builder subBuilder = global::Google.ProtocolBuffers.TestProtos.TestDupFieldNumber.Types.Bar.CreateBuilder();
+              if (HasBar) {
+                subBuilder.MergeFrom(Bar);
+              }
+              input.ReadGroup(3, subBuilder, extensionRegistry);
+              Bar = subBuilder.BuildPartial();
+              break;
+            }
+          }
+        }
+      }
+      
+      
+      public bool HasA {
+        get { return result.HasA; }
+      }
+      public int A {
+        get { return result.A; }
+        set { SetA(value); }
+      }
+      public Builder SetA(int value) {
+        result.hasA = true;
+        result.a_ = value;
+        return this;
+      }
+      public Builder ClearA() {
+        result.hasA = false;
+        result.a_ = 0;
+        return this;
+      }
+      
+      public bool HasFoo {
+       get { return result.HasFoo; }
+      }
+      public global::Google.ProtocolBuffers.TestProtos.TestDupFieldNumber.Types.Foo Foo {
+        get { return result.Foo; }
+        set { SetFoo(value); }
+      }
+      public Builder SetFoo(global::Google.ProtocolBuffers.TestProtos.TestDupFieldNumber.Types.Foo value) {
+        result.hasFoo = true;
+        result.foo_ = value;
+        return this;
+      }
+      public Builder SetFoo(global::Google.ProtocolBuffers.TestProtos.TestDupFieldNumber.Types.Foo.Builder builderForValue) {
+        result.hasFoo = true;
+        result.foo_ = builderForValue.Build();
+        return this;
+      }
+      public Builder MergeFoo(global::Google.ProtocolBuffers.TestProtos.TestDupFieldNumber.Types.Foo value) {
+        if (result.HasFoo &&
+            result.foo_ != global::Google.ProtocolBuffers.TestProtos.TestDupFieldNumber.Types.Foo.DefaultInstance) {
+            result.foo_ = global::Google.ProtocolBuffers.TestProtos.TestDupFieldNumber.Types.Foo.CreateBuilder(result.foo_).MergeFrom(value).BuildPartial();
+        } else {
+          result.foo_ = value;
+        }
+        result.hasFoo = true;
+        return this;
+      }
+      public Builder ClearFoo() {
+        result.hasFoo = false;
+        result.foo_ = global::Google.ProtocolBuffers.TestProtos.TestDupFieldNumber.Types.Foo.DefaultInstance;
+        return this;
+      }
+      
+      public bool HasBar {
+       get { return result.HasBar; }
+      }
+      public global::Google.ProtocolBuffers.TestProtos.TestDupFieldNumber.Types.Bar Bar {
+        get { return result.Bar; }
+        set { SetBar(value); }
+      }
+      public Builder SetBar(global::Google.ProtocolBuffers.TestProtos.TestDupFieldNumber.Types.Bar value) {
+        result.hasBar = true;
+        result.bar_ = value;
+        return this;
+      }
+      public Builder SetBar(global::Google.ProtocolBuffers.TestProtos.TestDupFieldNumber.Types.Bar.Builder builderForValue) {
+        result.hasBar = true;
+        result.bar_ = builderForValue.Build();
+        return this;
+      }
+      public Builder MergeBar(global::Google.ProtocolBuffers.TestProtos.TestDupFieldNumber.Types.Bar value) {
+        if (result.HasBar &&
+            result.bar_ != global::Google.ProtocolBuffers.TestProtos.TestDupFieldNumber.Types.Bar.DefaultInstance) {
+            result.bar_ = global::Google.ProtocolBuffers.TestProtos.TestDupFieldNumber.Types.Bar.CreateBuilder(result.bar_).MergeFrom(value).BuildPartial();
+        } else {
+          result.bar_ = value;
+        }
+        result.hasBar = true;
+        return this;
+      }
+      public Builder ClearBar() {
+        result.hasBar = false;
+        result.bar_ = global::Google.ProtocolBuffers.TestProtos.TestDupFieldNumber.Types.Bar.DefaultInstance;
+        return this;
+      }
+    }
+  }
+  
+  public sealed partial class TestNestedMessageHasBits : pb::GeneratedMessage<TestNestedMessageHasBits, TestNestedMessageHasBits.Builder> {
+    private static readonly TestNestedMessageHasBits defaultInstance = new Builder().BuildPartial();
+    public static TestNestedMessageHasBits DefaultInstance {
+      get { return defaultInstance; }
+    }
+    
+    public override TestNestedMessageHasBits DefaultInstanceForType {
+      get { return defaultInstance; }
+    }
+    
+    protected override TestNestedMessageHasBits ThisMessage {
+      get { return this; }
+    }
+    
+    public static pbd::MessageDescriptor Descriptor {
+      get { return global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.internal__static_protobuf_unittest_TestNestedMessageHasBits__Descriptor; }
+    }
+    
+    protected override pb::FieldAccess.FieldAccessorTable<TestNestedMessageHasBits, TestNestedMessageHasBits.Builder> InternalFieldAccessors {
+      get { return global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.internal__static_protobuf_unittest_TestNestedMessageHasBits__FieldAccessorTable; }
+    }
+    
+    #region Nested types
+    public static class Types {
+      public sealed partial class NestedMessage : pb::GeneratedMessage<NestedMessage, NestedMessage.Builder> {
+        private static readonly NestedMessage defaultInstance = new Builder().BuildPartial();
+        public static NestedMessage DefaultInstance {
+          get { return defaultInstance; }
+        }
+        
+        public override NestedMessage DefaultInstanceForType {
+          get { return defaultInstance; }
+        }
+        
+        protected override NestedMessage ThisMessage {
+          get { return this; }
+        }
+        
+        public static pbd::MessageDescriptor Descriptor {
+          get { return global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.internal__static_protobuf_unittest_TestNestedMessageHasBits_NestedMessage__Descriptor; }
+        }
+        
+        protected override pb::FieldAccess.FieldAccessorTable<NestedMessage, NestedMessage.Builder> InternalFieldAccessors {
+          get { return global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.internal__static_protobuf_unittest_TestNestedMessageHasBits_NestedMessage__FieldAccessorTable; }
+        }
+        
+        private pbc::PopsicleList<int> nestedmessageRepeatedInt32_ = new pbc::PopsicleList<int>();
+        public scg::IList<int> NestedmessageRepeatedInt32List {
+          get { return pbc::Lists.AsReadOnly(nestedmessageRepeatedInt32_); }
+        }
+        public int NestedmessageRepeatedInt32Count {
+          get { return nestedmessageRepeatedInt32_.Count; }
+        }
+        public int GetNestedmessageRepeatedInt32(int index) {
+          return nestedmessageRepeatedInt32_[index];
+        }
+        
+        private pbc::PopsicleList<global::Google.ProtocolBuffers.TestProtos.ForeignMessage> nestedmessageRepeatedForeignmessage_ = new pbc::PopsicleList<global::Google.ProtocolBuffers.TestProtos.ForeignMessage>();
+        public scg::IList<global::Google.ProtocolBuffers.TestProtos.ForeignMessage> NestedmessageRepeatedForeignmessageList {
+          get { return nestedmessageRepeatedForeignmessage_; }
+        }
+        public int NestedmessageRepeatedForeignmessageCount {
+          get { return nestedmessageRepeatedForeignmessage_.Count; }
+        }
+        public global::Google.ProtocolBuffers.TestProtos.ForeignMessage GetNestedmessageRepeatedForeignmessage(int index) {
+          return nestedmessageRepeatedForeignmessage_[index];
+        }
+        
+        public override bool IsInitialized {
+          get {
+            return true;
+          }
+        }
+        
+        public override void WriteTo(pb::CodedOutputStream output) {
+          foreach (int element in NestedmessageRepeatedInt32List) {
+            output.WriteInt32(1, element);
+          }
+          foreach (global::Google.ProtocolBuffers.TestProtos.ForeignMessage element in NestedmessageRepeatedForeignmessageList) {
+            output.WriteMessage(2, element);
+          }
+          UnknownFields.WriteTo(output);
+        }
+        
+        private int memoizedSerializedSize = -1;
+        public override int SerializedSize {
+          get {
+            int size = memoizedSerializedSize;
+            if (size != -1) return size;
+            
+            size = 0;
+            foreach (int element in NestedmessageRepeatedInt32List) {
+              size += pb::CodedOutputStream.ComputeInt32Size(1, element);
+            }
+            foreach (global::Google.ProtocolBuffers.TestProtos.ForeignMessage element in NestedmessageRepeatedForeignmessageList) {
+              size += pb::CodedOutputStream.ComputeMessageSize(2, element);
+            }
+            size += UnknownFields.SerializedSize;
+            memoizedSerializedSize = size;
+            return size;
+          }
+        }
+        
+        public static NestedMessage ParseFrom(pb::ByteString data) {
+          return ((Builder) CreateBuilder().MergeFrom(data)).BuildParsed();
+        }
+        public static NestedMessage ParseFrom(pb::ByteString data, pb::ExtensionRegistry extensionRegistry) {
+          return ((Builder) CreateBuilder().MergeFrom(data, extensionRegistry)).BuildParsed();
+        }
+        public static NestedMessage ParseFrom(byte[] data) {
+          return ((Builder) CreateBuilder().MergeFrom(data)).BuildParsed();
+        }
+        public static NestedMessage ParseFrom(byte[] data, pb::ExtensionRegistry extensionRegistry) {
+          return ((Builder) CreateBuilder().MergeFrom(data, extensionRegistry)).BuildParsed();
+        }
+        public static NestedMessage ParseFrom(global::System.IO.Stream input) {
+          return ((Builder) CreateBuilder().MergeFrom(input)).BuildParsed();
+        }
+        public static NestedMessage ParseFrom(global::System.IO.Stream input, pb::ExtensionRegistry extensionRegistry) {
+          return ((Builder) CreateBuilder().MergeFrom(input, extensionRegistry)).BuildParsed();
+        }
+        public static NestedMessage ParseFrom(pb::CodedInputStream input) {
+          return ((Builder) CreateBuilder().MergeFrom(input)).BuildParsed();
+        }
+        public static NestedMessage ParseFrom(pb::CodedInputStream input, pb::ExtensionRegistry extensionRegistry) {
+          return ((Builder) CreateBuilder().MergeFrom(input, extensionRegistry)).BuildParsed();
+        }
+        public static Builder CreateBuilder() { return new Builder(); }
+        public override Builder CreateBuilderForType() { return new Builder(); }
+        public static Builder CreateBuilder(NestedMessage prototype) {
+          return (Builder) new Builder().MergeFrom(prototype);
+        }
+        
+        public sealed partial class Builder : pb::GeneratedBuilder<NestedMessage, Builder> {
+          protected override Builder ThisBuilder {
+            get { return this; }
+          }
+          public Builder() {}
+          
+          NestedMessage result = new NestedMessage();
+          
+          protected override NestedMessage MessageBeingBuilt {
+            get { return result; }
+          }
+          
+          public override Builder Clear() {
+            result = new NestedMessage();
+            return this;
+          }
+          
+          public override Builder Clone() {
+            return new Builder().MergeFrom(result);
+          }
+          
+          public override pbd::MessageDescriptor DescriptorForType {
+            get { return NestedMessage.Descriptor; }
+          }
+          
+          public override NestedMessage DefaultInstanceForType {
+            get { return NestedMessage.DefaultInstance; }
+          }
+          
+          public override NestedMessage BuildPartial() {
+            result.nestedmessageRepeatedInt32_.MakeReadOnly();
+            result.nestedmessageRepeatedForeignmessage_.MakeReadOnly();
+            NestedMessage returnMe = result;
+            result = null;
+            return returnMe;
+          }
+          
+          public override Builder MergeFrom(pb::IMessage other) {
+            if (other is NestedMessage) {
+              return MergeFrom((NestedMessage) other);
+            } else {
+              base.MergeFrom(other);
+              return this;
+            }
+          }
+          
+          public override Builder MergeFrom(NestedMessage other) {
+            if (other == NestedMessage.DefaultInstance) return this;
+            if (other.nestedmessageRepeatedInt32_.Count != 0) {
+              base.AddRange(other.nestedmessageRepeatedInt32_, result.nestedmessageRepeatedInt32_);
+            }
+            if (other.nestedmessageRepeatedForeignmessage_.Count != 0) {
+              base.AddRange(other.nestedmessageRepeatedForeignmessage_, result.nestedmessageRepeatedForeignmessage_);
+            }
+            this.MergeUnknownFields(other.UnknownFields);
+            return this;
+          }
+          
+          public override Builder MergeFrom(pb::CodedInputStream input) {
+            return MergeFrom(input, pb::ExtensionRegistry.Empty);
+          }
+          
+          public override Builder MergeFrom(pb::CodedInputStream input, pb::ExtensionRegistry extensionRegistry) {
+            pb::UnknownFieldSet.Builder unknownFields = pb::UnknownFieldSet.CreateBuilder(this.UnknownFields);
+            while (true) {
+              uint tag = input.ReadTag();
+              switch (tag) {
+                case 0: {
+                  this.UnknownFields = unknownFields.Build();
+                  return this;
+                }
+                default: {
+                  if (!ParseUnknownField(input, unknownFields, extensionRegistry, tag)) {
+                    this.UnknownFields = unknownFields.Build();
+                    return this;
+                  }
+                  break;
+                }
+                case 8: {
+                  AddNestedmessageRepeatedInt32(input.ReadInt32());
+                  break;
+                }
+                case 18: {
+                  global::Google.ProtocolBuffers.TestProtos.ForeignMessage.Builder subBuilder = global::Google.ProtocolBuffers.TestProtos.ForeignMessage.CreateBuilder();
+                  input.ReadMessage(subBuilder, extensionRegistry);
+                  AddNestedmessageRepeatedForeignmessage(subBuilder.BuildPartial());
+                  break;
+                }
+              }
+            }
+          }
+          
+          
+          public scg::IList<int> NestedmessageRepeatedInt32List {
+            get { return result.nestedmessageRepeatedInt32_; }
+          }
+          public int NestedmessageRepeatedInt32Count {
+            get { return result.NestedmessageRepeatedInt32Count; }
+          }
+          public int GetNestedmessageRepeatedInt32(int index) {
+            return result.GetNestedmessageRepeatedInt32(index);
+          }
+          public Builder SetNestedmessageRepeatedInt32(int index, int value) {
+            result.nestedmessageRepeatedInt32_[index] = value;
+            return this;
+          }
+          public Builder AddNestedmessageRepeatedInt32(int value) {
+            result.nestedmessageRepeatedInt32_.Add(value);
+            return this;
+          }
+          public Builder AddRangeNestedmessageRepeatedInt32(scg::IEnumerable<int> values) {
+            base.AddRange(values, result.nestedmessageRepeatedInt32_);
+            return this;
+          }
+          public Builder ClearNestedmessageRepeatedInt32() {
+            result.nestedmessageRepeatedInt32_.Clear();
+            return this;
+          }
+          
+          public scg::IList<global::Google.ProtocolBuffers.TestProtos.ForeignMessage> NestedmessageRepeatedForeignmessageList {
+            get { return result.nestedmessageRepeatedForeignmessage_; }
+          }
+          public int NestedmessageRepeatedForeignmessageCount {
+            get { return result.NestedmessageRepeatedForeignmessageCount; }
+          }
+          public global::Google.ProtocolBuffers.TestProtos.ForeignMessage GetNestedmessageRepeatedForeignmessage(int index) {
+            return result.GetNestedmessageRepeatedForeignmessage(index);
+          }
+          public Builder SetNestedmessageRepeatedForeignmessage(int index, global::Google.ProtocolBuffers.TestProtos.ForeignMessage value) {
+            result.nestedmessageRepeatedForeignmessage_[index] = value;
+            return this;
+          }
+          public Builder SetNestedmessageRepeatedForeignmessage(int index, global::Google.ProtocolBuffers.TestProtos.ForeignMessage.Builder builderForValue) {
+            result.nestedmessageRepeatedForeignmessage_[index] = builderForValue.Build();
+            return this;
+          }
+          public Builder AddNestedmessageRepeatedForeignmessage(global::Google.ProtocolBuffers.TestProtos.ForeignMessage value) {
+            result.nestedmessageRepeatedForeignmessage_.Add(value);
+            return this;
+          }
+          public Builder AddNestedmessageRepeatedForeignmessage(global::Google.ProtocolBuffers.TestProtos.ForeignMessage.Builder builderForValue) {
+            result.nestedmessageRepeatedForeignmessage_.Add(builderForValue.Build());
+            return this;
+          }
+          public Builder AddRangeNestedmessageRepeatedForeignmessage(scg::IEnumerable<global::Google.ProtocolBuffers.TestProtos.ForeignMessage> values) {
+            base.AddRange(values, result.nestedmessageRepeatedForeignmessage_);
+            return this;
+          }
+          public Builder ClearNestedmessageRepeatedForeignmessage() {
+            result.nestedmessageRepeatedForeignmessage_.Clear();
+            return this;
+          }
+        }
+      }
+      
+    }
+    #endregion
+    
+    private bool hasOptionalNestedMessage;
+    private global::Google.ProtocolBuffers.TestProtos.TestNestedMessageHasBits.Types.NestedMessage optionalNestedMessage_ = global::Google.ProtocolBuffers.TestProtos.TestNestedMessageHasBits.Types.NestedMessage.DefaultInstance;
+    public bool HasOptionalNestedMessage {
+      get { return hasOptionalNestedMessage; }
+    }
+    public global::Google.ProtocolBuffers.TestProtos.TestNestedMessageHasBits.Types.NestedMessage OptionalNestedMessage {
+      get { return optionalNestedMessage_; }
+    }
+    
+    public override bool IsInitialized {
+      get {
+        return true;
+      }
+    }
+    
+    public override void WriteTo(pb::CodedOutputStream output) {
+      if (HasOptionalNestedMessage) {
+        output.WriteMessage(1, OptionalNestedMessage);
+      }
+      UnknownFields.WriteTo(output);
+    }
+    
+    private int memoizedSerializedSize = -1;
+    public override int SerializedSize {
+      get {
+        int size = memoizedSerializedSize;
+        if (size != -1) return size;
+        
+        size = 0;
+        if (HasOptionalNestedMessage) {
+          size += pb::CodedOutputStream.ComputeMessageSize(1, OptionalNestedMessage);
+        }
+        size += UnknownFields.SerializedSize;
+        memoizedSerializedSize = size;
+        return size;
+      }
+    }
+    
+    public static TestNestedMessageHasBits ParseFrom(pb::ByteString data) {
+      return ((Builder) CreateBuilder().MergeFrom(data)).BuildParsed();
+    }
+    public static TestNestedMessageHasBits ParseFrom(pb::ByteString data, pb::ExtensionRegistry extensionRegistry) {
+      return ((Builder) CreateBuilder().MergeFrom(data, extensionRegistry)).BuildParsed();
+    }
+    public static TestNestedMessageHasBits ParseFrom(byte[] data) {
+      return ((Builder) CreateBuilder().MergeFrom(data)).BuildParsed();
+    }
+    public static TestNestedMessageHasBits ParseFrom(byte[] data, pb::ExtensionRegistry extensionRegistry) {
+      return ((Builder) CreateBuilder().MergeFrom(data, extensionRegistry)).BuildParsed();
+    }
+    public static TestNestedMessageHasBits ParseFrom(global::System.IO.Stream input) {
+      return ((Builder) CreateBuilder().MergeFrom(input)).BuildParsed();
+    }
+    public static TestNestedMessageHasBits ParseFrom(global::System.IO.Stream input, pb::ExtensionRegistry extensionRegistry) {
+      return ((Builder) CreateBuilder().MergeFrom(input, extensionRegistry)).BuildParsed();
+    }
+    public static TestNestedMessageHasBits ParseFrom(pb::CodedInputStream input) {
+      return ((Builder) CreateBuilder().MergeFrom(input)).BuildParsed();
+    }
+    public static TestNestedMessageHasBits ParseFrom(pb::CodedInputStream input, pb::ExtensionRegistry extensionRegistry) {
+      return ((Builder) CreateBuilder().MergeFrom(input, extensionRegistry)).BuildParsed();
+    }
+    public static Builder CreateBuilder() { return new Builder(); }
+    public override Builder CreateBuilderForType() { return new Builder(); }
+    public static Builder CreateBuilder(TestNestedMessageHasBits prototype) {
+      return (Builder) new Builder().MergeFrom(prototype);
+    }
+    
+    public sealed partial class Builder : pb::GeneratedBuilder<TestNestedMessageHasBits, Builder> {
+      protected override Builder ThisBuilder {
+        get { return this; }
+      }
+      public Builder() {}
+      
+      TestNestedMessageHasBits result = new TestNestedMessageHasBits();
+      
+      protected override TestNestedMessageHasBits MessageBeingBuilt {
+        get { return result; }
+      }
+      
+      public override Builder Clear() {
+        result = new TestNestedMessageHasBits();
+        return this;
+      }
+      
+      public override Builder Clone() {
+        return new Builder().MergeFrom(result);
+      }
+      
+      public override pbd::MessageDescriptor DescriptorForType {
+        get { return TestNestedMessageHasBits.Descriptor; }
+      }
+      
+      public override TestNestedMessageHasBits DefaultInstanceForType {
+        get { return TestNestedMessageHasBits.DefaultInstance; }
+      }
+      
+      public override TestNestedMessageHasBits BuildPartial() {
+        TestNestedMessageHasBits returnMe = result;
+        result = null;
+        return returnMe;
+      }
+      
+      public override Builder MergeFrom(pb::IMessage other) {
+        if (other is TestNestedMessageHasBits) {
+          return MergeFrom((TestNestedMessageHasBits) other);
+        } else {
+          base.MergeFrom(other);
+          return this;
+        }
+      }
+      
+      public override Builder MergeFrom(TestNestedMessageHasBits other) {
+        if (other == TestNestedMessageHasBits.DefaultInstance) return this;
+        if (other.HasOptionalNestedMessage) {
+          MergeOptionalNestedMessage(other.OptionalNestedMessage);
+        }
+        this.MergeUnknownFields(other.UnknownFields);
+        return this;
+      }
+      
+      public override Builder MergeFrom(pb::CodedInputStream input) {
+        return MergeFrom(input, pb::ExtensionRegistry.Empty);
+      }
+      
+      public override Builder MergeFrom(pb::CodedInputStream input, pb::ExtensionRegistry extensionRegistry) {
+        pb::UnknownFieldSet.Builder unknownFields = pb::UnknownFieldSet.CreateBuilder(this.UnknownFields);
+        while (true) {
+          uint tag = input.ReadTag();
+          switch (tag) {
+            case 0: {
+              this.UnknownFields = unknownFields.Build();
+              return this;
+            }
+            default: {
+              if (!ParseUnknownField(input, unknownFields, extensionRegistry, tag)) {
+                this.UnknownFields = unknownFields.Build();
+                return this;
+              }
+              break;
+            }
+            case 10: {
+              global::Google.ProtocolBuffers.TestProtos.TestNestedMessageHasBits.Types.NestedMessage.Builder subBuilder = global::Google.ProtocolBuffers.TestProtos.TestNestedMessageHasBits.Types.NestedMessage.CreateBuilder();
+              if (HasOptionalNestedMessage) {
+                subBuilder.MergeFrom(OptionalNestedMessage);
+              }
+              input.ReadMessage(subBuilder, extensionRegistry);
+              OptionalNestedMessage = subBuilder.BuildPartial();
+              break;
+            }
+          }
+        }
+      }
+      
+      
+      public bool HasOptionalNestedMessage {
+       get { return result.HasOptionalNestedMessage; }
+      }
+      public global::Google.ProtocolBuffers.TestProtos.TestNestedMessageHasBits.Types.NestedMessage OptionalNestedMessage {
+        get { return result.OptionalNestedMessage; }
+        set { SetOptionalNestedMessage(value); }
+      }
+      public Builder SetOptionalNestedMessage(global::Google.ProtocolBuffers.TestProtos.TestNestedMessageHasBits.Types.NestedMessage value) {
+        result.hasOptionalNestedMessage = true;
+        result.optionalNestedMessage_ = value;
+        return this;
+      }
+      public Builder SetOptionalNestedMessage(global::Google.ProtocolBuffers.TestProtos.TestNestedMessageHasBits.Types.NestedMessage.Builder builderForValue) {
+        result.hasOptionalNestedMessage = true;
+        result.optionalNestedMessage_ = builderForValue.Build();
+        return this;
+      }
+      public Builder MergeOptionalNestedMessage(global::Google.ProtocolBuffers.TestProtos.TestNestedMessageHasBits.Types.NestedMessage value) {
+        if (result.HasOptionalNestedMessage &&
+            result.optionalNestedMessage_ != global::Google.ProtocolBuffers.TestProtos.TestNestedMessageHasBits.Types.NestedMessage.DefaultInstance) {
+            result.optionalNestedMessage_ = global::Google.ProtocolBuffers.TestProtos.TestNestedMessageHasBits.Types.NestedMessage.CreateBuilder(result.optionalNestedMessage_).MergeFrom(value).BuildPartial();
+        } else {
+          result.optionalNestedMessage_ = value;
+        }
+        result.hasOptionalNestedMessage = true;
+        return this;
+      }
+      public Builder ClearOptionalNestedMessage() {
+        result.hasOptionalNestedMessage = false;
+        result.optionalNestedMessage_ = global::Google.ProtocolBuffers.TestProtos.TestNestedMessageHasBits.Types.NestedMessage.DefaultInstance;
+        return this;
+      }
+    }
+  }
+  
+  public sealed partial class TestCamelCaseFieldNames : pb::GeneratedMessage<TestCamelCaseFieldNames, TestCamelCaseFieldNames.Builder> {
+    private static readonly TestCamelCaseFieldNames defaultInstance = new Builder().BuildPartial();
+    public static TestCamelCaseFieldNames DefaultInstance {
+      get { return defaultInstance; }
+    }
+    
+    public override TestCamelCaseFieldNames DefaultInstanceForType {
+      get { return defaultInstance; }
+    }
+    
+    protected override TestCamelCaseFieldNames ThisMessage {
+      get { return this; }
+    }
+    
+    public static pbd::MessageDescriptor Descriptor {
+      get { return global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.internal__static_protobuf_unittest_TestCamelCaseFieldNames__Descriptor; }
+    }
+    
+    protected override pb::FieldAccess.FieldAccessorTable<TestCamelCaseFieldNames, TestCamelCaseFieldNames.Builder> InternalFieldAccessors {
+      get { return global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.internal__static_protobuf_unittest_TestCamelCaseFieldNames__FieldAccessorTable; }
+    }
+    
+    private bool hasPrimitiveField;
+    private int primitiveField_ = 0;
+    public bool HasPrimitiveField {
+      get { return hasPrimitiveField; }
+    }
+    public int PrimitiveField {
+      get { return primitiveField_; }
+    }
+    
+    private bool hasStringField;
+    private string stringField_ = "";
+    public bool HasStringField {
+      get { return hasStringField; }
+    }
+    public string StringField {
+      get { return stringField_; }
+    }
+    
+    private bool hasEnumField;
+    private global::Google.ProtocolBuffers.TestProtos.ForeignEnum enumField_ = global::Google.ProtocolBuffers.TestProtos.ForeignEnum.FOREIGN_FOO;
+    public bool HasEnumField {
+      get { return hasEnumField; }
+    }
+    public global::Google.ProtocolBuffers.TestProtos.ForeignEnum EnumField {
+      get { return enumField_; }
+    }
+    
+    private bool hasMessageField;
+    private global::Google.ProtocolBuffers.TestProtos.ForeignMessage messageField_ = global::Google.ProtocolBuffers.TestProtos.ForeignMessage.DefaultInstance;
+    public bool HasMessageField {
+      get { return hasMessageField; }
+    }
+    public global::Google.ProtocolBuffers.TestProtos.ForeignMessage MessageField {
+      get { return messageField_; }
+    }
+    
+    private bool hasStringPieceField;
+    private string stringPieceField_ = "";
+    public bool HasStringPieceField {
+      get { return hasStringPieceField; }
+    }
+    public string StringPieceField {
+      get { return stringPieceField_; }
+    }
+    
+    private bool hasCordField;
+    private string cordField_ = "";
+    public bool HasCordField {
+      get { return hasCordField; }
+    }
+    public string CordField {
+      get { return cordField_; }
+    }
+    
+    private pbc::PopsicleList<int> repeatedPrimitiveField_ = new pbc::PopsicleList<int>();
+    public scg::IList<int> RepeatedPrimitiveFieldList {
+      get { return pbc::Lists.AsReadOnly(repeatedPrimitiveField_); }
+    }
+    public int RepeatedPrimitiveFieldCount {
+      get { return repeatedPrimitiveField_.Count; }
+    }
+    public int GetRepeatedPrimitiveField(int index) {
+      return repeatedPrimitiveField_[index];
+    }
+    
+    private pbc::PopsicleList<string> repeatedStringField_ = new pbc::PopsicleList<string>();
+    public scg::IList<string> RepeatedStringFieldList {
+      get { return pbc::Lists.AsReadOnly(repeatedStringField_); }
+    }
+    public int RepeatedStringFieldCount {
+      get { return repeatedStringField_.Count; }
+    }
+    public string GetRepeatedStringField(int index) {
+      return repeatedStringField_[index];
+    }
+    
+    private pbc::PopsicleList<global::Google.ProtocolBuffers.TestProtos.ForeignEnum> repeatedEnumField_ = new pbc::PopsicleList<global::Google.ProtocolBuffers.TestProtos.ForeignEnum>();
+    public scg::IList<global::Google.ProtocolBuffers.TestProtos.ForeignEnum> RepeatedEnumFieldList {
+      get { return pbc::Lists.AsReadOnly(repeatedEnumField_); }
+    }
+    public int RepeatedEnumFieldCount {
+      get { return repeatedEnumField_.Count; }
+    }
+    public global::Google.ProtocolBuffers.TestProtos.ForeignEnum GetRepeatedEnumField(int index) {
+      return repeatedEnumField_[index];
+    }
+    
+    private pbc::PopsicleList<global::Google.ProtocolBuffers.TestProtos.ForeignMessage> repeatedMessageField_ = new pbc::PopsicleList<global::Google.ProtocolBuffers.TestProtos.ForeignMessage>();
+    public scg::IList<global::Google.ProtocolBuffers.TestProtos.ForeignMessage> RepeatedMessageFieldList {
+      get { return repeatedMessageField_; }
+    }
+    public int RepeatedMessageFieldCount {
+      get { return repeatedMessageField_.Count; }
+    }
+    public global::Google.ProtocolBuffers.TestProtos.ForeignMessage GetRepeatedMessageField(int index) {
+      return repeatedMessageField_[index];
+    }
+    
+    private pbc::PopsicleList<string> repeatedStringPieceField_ = new pbc::PopsicleList<string>();
+    public scg::IList<string> RepeatedStringPieceFieldList {
+      get { return pbc::Lists.AsReadOnly(repeatedStringPieceField_); }
+    }
+    public int RepeatedStringPieceFieldCount {
+      get { return repeatedStringPieceField_.Count; }
+    }
+    public string GetRepeatedStringPieceField(int index) {
+      return repeatedStringPieceField_[index];
+    }
+    
+    private pbc::PopsicleList<string> repeatedCordField_ = new pbc::PopsicleList<string>();
+    public scg::IList<string> RepeatedCordFieldList {
+      get { return pbc::Lists.AsReadOnly(repeatedCordField_); }
+    }
+    public int RepeatedCordFieldCount {
+      get { return repeatedCordField_.Count; }
+    }
+    public string GetRepeatedCordField(int index) {
+      return repeatedCordField_[index];
+    }
+    
+    public override bool IsInitialized {
+      get {
+        return true;
+      }
+    }
+    
+    public override void WriteTo(pb::CodedOutputStream output) {
+      if (HasPrimitiveField) {
+        output.WriteInt32(1, PrimitiveField);
+      }
+      if (HasStringField) {
+        output.WriteString(2, StringField);
+      }
+      if (HasEnumField) {
+        output.WriteEnum(3, (int) EnumField);
+      }
+      if (HasMessageField) {
+        output.WriteMessage(4, MessageField);
+      }
+      if (HasStringPieceField) {
+        output.WriteString(5, StringPieceField);
+      }
+      if (HasCordField) {
+        output.WriteString(6, CordField);
+      }
+      foreach (int element in RepeatedPrimitiveFieldList) {
+        output.WriteInt32(7, element);
+      }
+      foreach (string element in RepeatedStringFieldList) {
+        output.WriteString(8, element);
+      }
+      foreach (global::Google.ProtocolBuffers.TestProtos.ForeignEnum element in RepeatedEnumFieldList) {
+        output.WriteEnum(9, (int) element);
+      }
+      foreach (global::Google.ProtocolBuffers.TestProtos.ForeignMessage element in RepeatedMessageFieldList) {
+        output.WriteMessage(10, element);
+      }
+      foreach (string element in RepeatedStringPieceFieldList) {
+        output.WriteString(11, element);
+      }
+      foreach (string element in RepeatedCordFieldList) {
+        output.WriteString(12, element);
+      }
+      UnknownFields.WriteTo(output);
+    }
+    
+    private int memoizedSerializedSize = -1;
+    public override int SerializedSize {
+      get {
+        int size = memoizedSerializedSize;
+        if (size != -1) return size;
+        
+        size = 0;
+        if (HasPrimitiveField) {
+          size += pb::CodedOutputStream.ComputeInt32Size(1, PrimitiveField);
+        }
+        if (HasStringField) {
+          size += pb::CodedOutputStream.ComputeStringSize(2, StringField);
+        }
+        if (HasEnumField) {
+          size += pb::CodedOutputStream.ComputeEnumSize(3, (int) EnumField);
+        }
+        if (HasMessageField) {
+          size += pb::CodedOutputStream.ComputeMessageSize(4, MessageField);
+        }
+        if (HasStringPieceField) {
+          size += pb::CodedOutputStream.ComputeStringSize(5, StringPieceField);
+        }
+        if (HasCordField) {
+          size += pb::CodedOutputStream.ComputeStringSize(6, CordField);
+        }
+        foreach (int element in RepeatedPrimitiveFieldList) {
+          size += pb::CodedOutputStream.ComputeInt32Size(7, element);
+        }
+        foreach (string element in RepeatedStringFieldList) {
+          size += pb::CodedOutputStream.ComputeStringSize(8, element);
+        }
+        foreach (global::Google.ProtocolBuffers.TestProtos.ForeignEnum element in RepeatedEnumFieldList) {
+          size += pb::CodedOutputStream.ComputeEnumSize(9, (int) element);
+        }
+        foreach (global::Google.ProtocolBuffers.TestProtos.ForeignMessage element in RepeatedMessageFieldList) {
+          size += pb::CodedOutputStream.ComputeMessageSize(10, element);
+        }
+        foreach (string element in RepeatedStringPieceFieldList) {
+          size += pb::CodedOutputStream.ComputeStringSize(11, element);
+        }
+        foreach (string element in RepeatedCordFieldList) {
+          size += pb::CodedOutputStream.ComputeStringSize(12, element);
+        }
+        size += UnknownFields.SerializedSize;
+        memoizedSerializedSize = size;
+        return size;
+      }
+    }
+    
+    public static TestCamelCaseFieldNames ParseFrom(pb::ByteString data) {
+      return ((Builder) CreateBuilder().MergeFrom(data)).BuildParsed();
+    }
+    public static TestCamelCaseFieldNames ParseFrom(pb::ByteString data, pb::ExtensionRegistry extensionRegistry) {
+      return ((Builder) CreateBuilder().MergeFrom(data, extensionRegistry)).BuildParsed();
+    }
+    public static TestCamelCaseFieldNames ParseFrom(byte[] data) {
+      return ((Builder) CreateBuilder().MergeFrom(data)).BuildParsed();
+    }
+    public static TestCamelCaseFieldNames ParseFrom(byte[] data, pb::ExtensionRegistry extensionRegistry) {
+      return ((Builder) CreateBuilder().MergeFrom(data, extensionRegistry)).BuildParsed();
+    }
+    public static TestCamelCaseFieldNames ParseFrom(global::System.IO.Stream input) {
+      return ((Builder) CreateBuilder().MergeFrom(input)).BuildParsed();
+    }
+    public static TestCamelCaseFieldNames ParseFrom(global::System.IO.Stream input, pb::ExtensionRegistry extensionRegistry) {
+      return ((Builder) CreateBuilder().MergeFrom(input, extensionRegistry)).BuildParsed();
+    }
+    public static TestCamelCaseFieldNames ParseFrom(pb::CodedInputStream input) {
+      return ((Builder) CreateBuilder().MergeFrom(input)).BuildParsed();
+    }
+    public static TestCamelCaseFieldNames ParseFrom(pb::CodedInputStream input, pb::ExtensionRegistry extensionRegistry) {
+      return ((Builder) CreateBuilder().MergeFrom(input, extensionRegistry)).BuildParsed();
+    }
+    public static Builder CreateBuilder() { return new Builder(); }
+    public override Builder CreateBuilderForType() { return new Builder(); }
+    public static Builder CreateBuilder(TestCamelCaseFieldNames prototype) {
+      return (Builder) new Builder().MergeFrom(prototype);
+    }
+    
+    public sealed partial class Builder : pb::GeneratedBuilder<TestCamelCaseFieldNames, Builder> {
+      protected override Builder ThisBuilder {
+        get { return this; }
+      }
+      public Builder() {}
+      
+      TestCamelCaseFieldNames result = new TestCamelCaseFieldNames();
+      
+      protected override TestCamelCaseFieldNames MessageBeingBuilt {
+        get { return result; }
+      }
+      
+      public override Builder Clear() {
+        result = new TestCamelCaseFieldNames();
+        return this;
+      }
+      
+      public override Builder Clone() {
+        return new Builder().MergeFrom(result);
+      }
+      
+      public override pbd::MessageDescriptor DescriptorForType {
+        get { return TestCamelCaseFieldNames.Descriptor; }
+      }
+      
+      public override TestCamelCaseFieldNames DefaultInstanceForType {
+        get { return TestCamelCaseFieldNames.DefaultInstance; }
+      }
+      
+      public override TestCamelCaseFieldNames BuildPartial() {
+        result.repeatedPrimitiveField_.MakeReadOnly();
+        result.repeatedStringField_.MakeReadOnly();
+        result.repeatedEnumField_.MakeReadOnly();
+        result.repeatedMessageField_.MakeReadOnly();
+        result.repeatedStringPieceField_.MakeReadOnly();
+        result.repeatedCordField_.MakeReadOnly();
+        TestCamelCaseFieldNames returnMe = result;
+        result = null;
+        return returnMe;
+      }
+      
+      public override Builder MergeFrom(pb::IMessage other) {
+        if (other is TestCamelCaseFieldNames) {
+          return MergeFrom((TestCamelCaseFieldNames) other);
+        } else {
+          base.MergeFrom(other);
+          return this;
+        }
+      }
+      
+      public override Builder MergeFrom(TestCamelCaseFieldNames other) {
+        if (other == TestCamelCaseFieldNames.DefaultInstance) return this;
+        if (other.HasPrimitiveField) {
+          PrimitiveField = other.PrimitiveField;
+        }
+        if (other.HasStringField) {
+          StringField = other.StringField;
+        }
+        if (other.HasEnumField) {
+          EnumField = other.EnumField;
+        }
+        if (other.HasMessageField) {
+          MergeMessageField(other.MessageField);
+        }
+        if (other.HasStringPieceField) {
+          StringPieceField = other.StringPieceField;
+        }
+        if (other.HasCordField) {
+          CordField = other.CordField;
+        }
+        if (other.repeatedPrimitiveField_.Count != 0) {
+          base.AddRange(other.repeatedPrimitiveField_, result.repeatedPrimitiveField_);
+        }
+        if (other.repeatedStringField_.Count != 0) {
+          base.AddRange(other.repeatedStringField_, result.repeatedStringField_);
+        }
+        if (other.repeatedEnumField_.Count != 0) {
+          base.AddRange(other.repeatedEnumField_, result.repeatedEnumField_);
+        }
+        if (other.repeatedMessageField_.Count != 0) {
+          base.AddRange(other.repeatedMessageField_, result.repeatedMessageField_);
+        }
+        if (other.repeatedStringPieceField_.Count != 0) {
+          base.AddRange(other.repeatedStringPieceField_, result.repeatedStringPieceField_);
+        }
+        if (other.repeatedCordField_.Count != 0) {
+          base.AddRange(other.repeatedCordField_, result.repeatedCordField_);
+        }
+        this.MergeUnknownFields(other.UnknownFields);
+        return this;
+      }
+      
+      public override Builder MergeFrom(pb::CodedInputStream input) {
+        return MergeFrom(input, pb::ExtensionRegistry.Empty);
+      }
+      
+      public override Builder MergeFrom(pb::CodedInputStream input, pb::ExtensionRegistry extensionRegistry) {
+        pb::UnknownFieldSet.Builder unknownFields = pb::UnknownFieldSet.CreateBuilder(this.UnknownFields);
+        while (true) {
+          uint tag = input.ReadTag();
+          switch (tag) {
+            case 0: {
+              this.UnknownFields = unknownFields.Build();
+              return this;
+            }
+            default: {
+              if (!ParseUnknownField(input, unknownFields, extensionRegistry, tag)) {
+                this.UnknownFields = unknownFields.Build();
+                return this;
+              }
+              break;
+            }
+            case 8: {
+              PrimitiveField = input.ReadInt32();
+              break;
+            }
+            case 18: {
+              StringField = input.ReadString();
+              break;
+            }
+            case 24: {
+              int rawValue = input.ReadEnum();
+              if (!global::System.Enum.IsDefined(typeof(global::Google.ProtocolBuffers.TestProtos.ForeignEnum), rawValue)) {
+                unknownFields.MergeVarintField(3, (ulong) rawValue);
+              } else {
+                EnumField = (global::Google.ProtocolBuffers.TestProtos.ForeignEnum) rawValue;
+              }
+              break;
+            }
+            case 34: {
+              global::Google.ProtocolBuffers.TestProtos.ForeignMessage.Builder subBuilder = global::Google.ProtocolBuffers.TestProtos.ForeignMessage.CreateBuilder();
+              if (HasMessageField) {
+                subBuilder.MergeFrom(MessageField);
+              }
+              input.ReadMessage(subBuilder, extensionRegistry);
+              MessageField = subBuilder.BuildPartial();
+              break;
+            }
+            case 42: {
+              StringPieceField = input.ReadString();
+              break;
+            }
+            case 50: {
+              CordField = input.ReadString();
+              break;
+            }
+            case 56: {
+              AddRepeatedPrimitiveField(input.ReadInt32());
+              break;
+            }
+            case 66: {
+              AddRepeatedStringField(input.ReadString());
+              break;
+            }
+            case 72: {
+              int rawValue = input.ReadEnum();
+              if (!global::System.Enum.IsDefined(typeof(global::Google.ProtocolBuffers.TestProtos.ForeignEnum), rawValue)) {
+                unknownFields.MergeVarintField(9, (ulong) rawValue);
+              } else {
+                AddRepeatedEnumField((global::Google.ProtocolBuffers.TestProtos.ForeignEnum) rawValue);
+              }
+              break;
+            }
+            case 82: {
+              global::Google.ProtocolBuffers.TestProtos.ForeignMessage.Builder subBuilder = global::Google.ProtocolBuffers.TestProtos.ForeignMessage.CreateBuilder();
+              input.ReadMessage(subBuilder, extensionRegistry);
+              AddRepeatedMessageField(subBuilder.BuildPartial());
+              break;
+            }
+            case 90: {
+              AddRepeatedStringPieceField(input.ReadString());
+              break;
+            }
+            case 98: {
+              AddRepeatedCordField(input.ReadString());
+              break;
+            }
+          }
+        }
+      }
+      
+      
+      public bool HasPrimitiveField {
+        get { return result.HasPrimitiveField; }
+      }
+      public int PrimitiveField {
+        get { return result.PrimitiveField; }
+        set { SetPrimitiveField(value); }
+      }
+      public Builder SetPrimitiveField(int value) {
+        result.hasPrimitiveField = true;
+        result.primitiveField_ = value;
+        return this;
+      }
+      public Builder ClearPrimitiveField() {
+        result.hasPrimitiveField = false;
+        result.primitiveField_ = 0;
+        return this;
+      }
+      
+      public bool HasStringField {
+        get { return result.HasStringField; }
+      }
+      public string StringField {
+        get { return result.StringField; }
+        set { SetStringField(value); }
+      }
+      public Builder SetStringField(string value) {
+        result.hasStringField = true;
+        result.stringField_ = value;
+        return this;
+      }
+      public Builder ClearStringField() {
+        result.hasStringField = false;
+        result.stringField_ = "";
+        return this;
+      }
+      
+      public bool HasEnumField {
+       get { return result.HasEnumField; }
+      }
+      public global::Google.ProtocolBuffers.TestProtos.ForeignEnum EnumField {
+        get { return result.EnumField; }
+        set { SetEnumField(value); }
+      }
+      public Builder SetEnumField(global::Google.ProtocolBuffers.TestProtos.ForeignEnum value) {
+        result.hasEnumField = true;
+        result.enumField_ = value;
+        return this;
+      }
+      public Builder ClearEnumField() {
+        result.hasEnumField = false;
+        result.enumField_ = global::Google.ProtocolBuffers.TestProtos.ForeignEnum.FOREIGN_FOO;
+        return this;
+      }
+      
+      public bool HasMessageField {
+       get { return result.HasMessageField; }
+      }
+      public global::Google.ProtocolBuffers.TestProtos.ForeignMessage MessageField {
+        get { return result.MessageField; }
+        set { SetMessageField(value); }
+      }
+      public Builder SetMessageField(global::Google.ProtocolBuffers.TestProtos.ForeignMessage value) {
+        result.hasMessageField = true;
+        result.messageField_ = value;
+        return this;
+      }
+      public Builder SetMessageField(global::Google.ProtocolBuffers.TestProtos.ForeignMessage.Builder builderForValue) {
+        result.hasMessageField = true;
+        result.messageField_ = builderForValue.Build();
+        return this;
+      }
+      public Builder MergeMessageField(global::Google.ProtocolBuffers.TestProtos.ForeignMessage value) {
+        if (result.HasMessageField &&
+            result.messageField_ != global::Google.ProtocolBuffers.TestProtos.ForeignMessage.DefaultInstance) {
+            result.messageField_ = global::Google.ProtocolBuffers.TestProtos.ForeignMessage.CreateBuilder(result.messageField_).MergeFrom(value).BuildPartial();
+        } else {
+          result.messageField_ = value;
+        }
+        result.hasMessageField = true;
+        return this;
+      }
+      public Builder ClearMessageField() {
+        result.hasMessageField = false;
+        result.messageField_ = global::Google.ProtocolBuffers.TestProtos.ForeignMessage.DefaultInstance;
+        return this;
+      }
+      
+      public bool HasStringPieceField {
+        get { return result.HasStringPieceField; }
+      }
+      public string StringPieceField {
+        get { return result.StringPieceField; }
+        set { SetStringPieceField(value); }
+      }
+      public Builder SetStringPieceField(string value) {
+        result.hasStringPieceField = true;
+        result.stringPieceField_ = value;
+        return this;
+      }
+      public Builder ClearStringPieceField() {
+        result.hasStringPieceField = false;
+        result.stringPieceField_ = "";
+        return this;
+      }
+      
+      public bool HasCordField {
+        get { return result.HasCordField; }
+      }
+      public string CordField {
+        get { return result.CordField; }
+        set { SetCordField(value); }
+      }
+      public Builder SetCordField(string value) {
+        result.hasCordField = true;
+        result.cordField_ = value;
+        return this;
+      }
+      public Builder ClearCordField() {
+        result.hasCordField = false;
+        result.cordField_ = "";
+        return this;
+      }
+      
+      public scg::IList<int> RepeatedPrimitiveFieldList {
+        get { return result.repeatedPrimitiveField_; }
+      }
+      public int RepeatedPrimitiveFieldCount {
+        get { return result.RepeatedPrimitiveFieldCount; }
+      }
+      public int GetRepeatedPrimitiveField(int index) {
+        return result.GetRepeatedPrimitiveField(index);
+      }
+      public Builder SetRepeatedPrimitiveField(int index, int value) {
+        result.repeatedPrimitiveField_[index] = value;
+        return this;
+      }
+      public Builder AddRepeatedPrimitiveField(int value) {
+        result.repeatedPrimitiveField_.Add(value);
+        return this;
+      }
+      public Builder AddRangeRepeatedPrimitiveField(scg::IEnumerable<int> values) {
+        base.AddRange(values, result.repeatedPrimitiveField_);
+        return this;
+      }
+      public Builder ClearRepeatedPrimitiveField() {
+        result.repeatedPrimitiveField_.Clear();
+        return this;
+      }
+      
+      public scg::IList<string> RepeatedStringFieldList {
+        get { return result.repeatedStringField_; }
+      }
+      public int RepeatedStringFieldCount {
+        get { return result.RepeatedStringFieldCount; }
+      }
+      public string GetRepeatedStringField(int index) {
+        return result.GetRepeatedStringField(index);
+      }
+      public Builder SetRepeatedStringField(int index, string value) {
+        result.repeatedStringField_[index] = value;
+        return this;
+      }
+      public Builder AddRepeatedStringField(string value) {
+        result.repeatedStringField_.Add(value);
+        return this;
+      }
+      public Builder AddRangeRepeatedStringField(scg::IEnumerable<string> values) {
+        base.AddRange(values, result.repeatedStringField_);
+        return this;
+      }
+      public Builder ClearRepeatedStringField() {
+        result.repeatedStringField_.Clear();
+        return this;
+      }
+      
+      public scg::IList<global::Google.ProtocolBuffers.TestProtos.ForeignEnum> RepeatedEnumFieldList {
+        get { return result.repeatedEnumField_; }
+      }
+      public int RepeatedEnumFieldCount {
+        get { return result.RepeatedEnumFieldCount; }
+      }
+      public global::Google.ProtocolBuffers.TestProtos.ForeignEnum GetRepeatedEnumField(int index) {
+        return result.GetRepeatedEnumField(index);
+      }
+      public Builder SetRepeatedEnumField(int index, global::Google.ProtocolBuffers.TestProtos.ForeignEnum value) {
+        result.repeatedEnumField_[index] = value;
+        return this;
+      }
+      public Builder AddRepeatedEnumField(global::Google.ProtocolBuffers.TestProtos.ForeignEnum value) {
+        result.repeatedEnumField_.Add(value);
+        return this;
+      }
+      public Builder AddRangeRepeatedEnumField(scg::IEnumerable<global::Google.ProtocolBuffers.TestProtos.ForeignEnum> values) {
+        base.AddRange(values, result.repeatedEnumField_);
+        return this;
+      }
+      public Builder ClearRepeatedEnumField() {
+        result.repeatedEnumField_.Clear();
+        return this;
+      }
+      
+      public scg::IList<global::Google.ProtocolBuffers.TestProtos.ForeignMessage> RepeatedMessageFieldList {
+        get { return result.repeatedMessageField_; }
+      }
+      public int RepeatedMessageFieldCount {
+        get { return result.RepeatedMessageFieldCount; }
+      }
+      public global::Google.ProtocolBuffers.TestProtos.ForeignMessage GetRepeatedMessageField(int index) {
+        return result.GetRepeatedMessageField(index);
+      }
+      public Builder SetRepeatedMessageField(int index, global::Google.ProtocolBuffers.TestProtos.ForeignMessage value) {
+        result.repeatedMessageField_[index] = value;
+        return this;
+      }
+      public Builder SetRepeatedMessageField(int index, global::Google.ProtocolBuffers.TestProtos.ForeignMessage.Builder builderForValue) {
+        result.repeatedMessageField_[index] = builderForValue.Build();
+        return this;
+      }
+      public Builder AddRepeatedMessageField(global::Google.ProtocolBuffers.TestProtos.ForeignMessage value) {
+        result.repeatedMessageField_.Add(value);
+        return this;
+      }
+      public Builder AddRepeatedMessageField(global::Google.ProtocolBuffers.TestProtos.ForeignMessage.Builder builderForValue) {
+        result.repeatedMessageField_.Add(builderForValue.Build());
+        return this;
+      }
+      public Builder AddRangeRepeatedMessageField(scg::IEnumerable<global::Google.ProtocolBuffers.TestProtos.ForeignMessage> values) {
+        base.AddRange(values, result.repeatedMessageField_);
+        return this;
+      }
+      public Builder ClearRepeatedMessageField() {
+        result.repeatedMessageField_.Clear();
+        return this;
+      }
+      
+      public scg::IList<string> RepeatedStringPieceFieldList {
+        get { return result.repeatedStringPieceField_; }
+      }
+      public int RepeatedStringPieceFieldCount {
+        get { return result.RepeatedStringPieceFieldCount; }
+      }
+      public string GetRepeatedStringPieceField(int index) {
+        return result.GetRepeatedStringPieceField(index);
+      }
+      public Builder SetRepeatedStringPieceField(int index, string value) {
+        result.repeatedStringPieceField_[index] = value;
+        return this;
+      }
+      public Builder AddRepeatedStringPieceField(string value) {
+        result.repeatedStringPieceField_.Add(value);
+        return this;
+      }
+      public Builder AddRangeRepeatedStringPieceField(scg::IEnumerable<string> values) {
+        base.AddRange(values, result.repeatedStringPieceField_);
+        return this;
+      }
+      public Builder ClearRepeatedStringPieceField() {
+        result.repeatedStringPieceField_.Clear();
+        return this;
+      }
+      
+      public scg::IList<string> RepeatedCordFieldList {
+        get { return result.repeatedCordField_; }
+      }
+      public int RepeatedCordFieldCount {
+        get { return result.RepeatedCordFieldCount; }
+      }
+      public string GetRepeatedCordField(int index) {
+        return result.GetRepeatedCordField(index);
+      }
+      public Builder SetRepeatedCordField(int index, string value) {
+        result.repeatedCordField_[index] = value;
+        return this;
+      }
+      public Builder AddRepeatedCordField(string value) {
+        result.repeatedCordField_.Add(value);
+        return this;
+      }
+      public Builder AddRangeRepeatedCordField(scg::IEnumerable<string> values) {
+        base.AddRange(values, result.repeatedCordField_);
+        return this;
+      }
+      public Builder ClearRepeatedCordField() {
+        result.repeatedCordField_.Clear();
+        return this;
+      }
+    }
+  }
+  
+  public sealed partial class TestFieldOrderings : pb::ExtendableMessage<TestFieldOrderings, TestFieldOrderings.Builder> {
+    private static readonly TestFieldOrderings defaultInstance = new Builder().BuildPartial();
+    public static TestFieldOrderings DefaultInstance {
+      get { return defaultInstance; }
+    }
+    
+    public override TestFieldOrderings DefaultInstanceForType {
+      get { return defaultInstance; }
+    }
+    
+    protected override TestFieldOrderings ThisMessage {
+      get { return this; }
+    }
+    
+    public static pbd::MessageDescriptor Descriptor {
+      get { return global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.internal__static_protobuf_unittest_TestFieldOrderings__Descriptor; }
+    }
+    
+    protected override pb::FieldAccess.FieldAccessorTable<TestFieldOrderings, TestFieldOrderings.Builder> InternalFieldAccessors {
+      get { return global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.internal__static_protobuf_unittest_TestFieldOrderings__FieldAccessorTable; }
+    }
+    
+    private bool hasMyString;
+    private string myString_ = "";
+    public bool HasMyString {
+      get { return hasMyString; }
+    }
+    public string MyString {
+      get { return myString_; }
+    }
+    
+    private bool hasMyInt;
+    private long myInt_ = 0L;
+    public bool HasMyInt {
+      get { return hasMyInt; }
+    }
+    public long MyInt {
+      get { return myInt_; }
+    }
+    
+    private bool hasMyFloat;
+    private float myFloat_ = 0F;
+    public bool HasMyFloat {
+      get { return hasMyFloat; }
+    }
+    public float MyFloat {
+      get { return myFloat_; }
+    }
+    
+    public override bool IsInitialized {
+      get {
+        if (!ExtensionsAreInitialized) return false;
+        return true;
+      }
+    }
+    
+    public override void WriteTo(pb::CodedOutputStream output) {
+      pb::ExtendableMessage<TestFieldOrderings, TestFieldOrderings.Builder>.ExtensionWriter extensionWriter = CreateExtensionWriter(this);
+      if (HasMyInt) {
+        output.WriteInt64(1, MyInt);
+      }
+      extensionWriter.WriteUntil(11, output);
+      if (HasMyString) {
+        output.WriteString(11, MyString);
+      }
+      extensionWriter.WriteUntil(101, output);
+      if (HasMyFloat) {
+        output.WriteFloat(101, MyFloat);
+      }
+      UnknownFields.WriteTo(output);
+    }
+    
+    private int memoizedSerializedSize = -1;
+    public override int SerializedSize {
+      get {
+        int size = memoizedSerializedSize;
+        if (size != -1) return size;
+        
+        size = 0;
+        if (HasMyString) {
+          size += pb::CodedOutputStream.ComputeStringSize(11, MyString);
+        }
+        if (HasMyInt) {
+          size += pb::CodedOutputStream.ComputeInt64Size(1, MyInt);
+        }
+        if (HasMyFloat) {
+          size += pb::CodedOutputStream.ComputeFloatSize(101, MyFloat);
+        }
+        size += ExtensionsSerializedSize;
+        size += UnknownFields.SerializedSize;
+        memoizedSerializedSize = size;
+        return size;
+      }
+    }
+    
+    public static TestFieldOrderings ParseFrom(pb::ByteString data) {
+      return ((Builder) CreateBuilder().MergeFrom(data)).BuildParsed();
+    }
+    public static TestFieldOrderings ParseFrom(pb::ByteString data, pb::ExtensionRegistry extensionRegistry) {
+      return ((Builder) CreateBuilder().MergeFrom(data, extensionRegistry)).BuildParsed();
+    }
+    public static TestFieldOrderings ParseFrom(byte[] data) {
+      return ((Builder) CreateBuilder().MergeFrom(data)).BuildParsed();
+    }
+    public static TestFieldOrderings ParseFrom(byte[] data, pb::ExtensionRegistry extensionRegistry) {
+      return ((Builder) CreateBuilder().MergeFrom(data, extensionRegistry)).BuildParsed();
+    }
+    public static TestFieldOrderings ParseFrom(global::System.IO.Stream input) {
+      return ((Builder) CreateBuilder().MergeFrom(input)).BuildParsed();
+    }
+    public static TestFieldOrderings ParseFrom(global::System.IO.Stream input, pb::ExtensionRegistry extensionRegistry) {
+      return ((Builder) CreateBuilder().MergeFrom(input, extensionRegistry)).BuildParsed();
+    }
+    public static TestFieldOrderings ParseFrom(pb::CodedInputStream input) {
+      return ((Builder) CreateBuilder().MergeFrom(input)).BuildParsed();
+    }
+    public static TestFieldOrderings ParseFrom(pb::CodedInputStream input, pb::ExtensionRegistry extensionRegistry) {
+      return ((Builder) CreateBuilder().MergeFrom(input, extensionRegistry)).BuildParsed();
+    }
+    public static Builder CreateBuilder() { return new Builder(); }
+    public override Builder CreateBuilderForType() { return new Builder(); }
+    public static Builder CreateBuilder(TestFieldOrderings prototype) {
+      return (Builder) new Builder().MergeFrom(prototype);
+    }
+    
+    public sealed partial class Builder : pb::ExtendableBuilder<TestFieldOrderings, Builder> {
+      protected override Builder ThisBuilder {
+        get { return this; }
+      }
+      public Builder() {}
+      
+      TestFieldOrderings result = new TestFieldOrderings();
+      
+      protected override TestFieldOrderings MessageBeingBuilt {
+        get { return result; }
+      }
+      
+      public override Builder Clear() {
+        result = new TestFieldOrderings();
+        return this;
+      }
+      
+      public override Builder Clone() {
+        return new Builder().MergeFrom(result);
+      }
+      
+      public override pbd::MessageDescriptor DescriptorForType {
+        get { return TestFieldOrderings.Descriptor; }
+      }
+      
+      public override TestFieldOrderings DefaultInstanceForType {
+        get { return TestFieldOrderings.DefaultInstance; }
+      }
+      
+      public override TestFieldOrderings BuildPartial() {
+        TestFieldOrderings returnMe = result;
+        result = null;
+        return returnMe;
+      }
+      
+      public override Builder MergeFrom(pb::IMessage other) {
+        if (other is TestFieldOrderings) {
+          return MergeFrom((TestFieldOrderings) other);
+        } else {
+          base.MergeFrom(other);
+          return this;
+        }
+      }
+      
+      public override Builder MergeFrom(TestFieldOrderings other) {
+        if (other == TestFieldOrderings.DefaultInstance) return this;
+        if (other.HasMyString) {
+          MyString = other.MyString;
+        }
+        if (other.HasMyInt) {
+          MyInt = other.MyInt;
+        }
+        if (other.HasMyFloat) {
+          MyFloat = other.MyFloat;
+        }
+        this.MergeUnknownFields(other.UnknownFields);
+        return this;
+      }
+      
+      public override Builder MergeFrom(pb::CodedInputStream input) {
+        return MergeFrom(input, pb::ExtensionRegistry.Empty);
+      }
+      
+      public override Builder MergeFrom(pb::CodedInputStream input, pb::ExtensionRegistry extensionRegistry) {
+        pb::UnknownFieldSet.Builder unknownFields = pb::UnknownFieldSet.CreateBuilder(this.UnknownFields);
+        while (true) {
+          uint tag = input.ReadTag();
+          switch (tag) {
+            case 0: {
+              this.UnknownFields = unknownFields.Build();
+              return this;
+            }
+            default: {
+              if (!ParseUnknownField(input, unknownFields, extensionRegistry, tag)) {
+                this.UnknownFields = unknownFields.Build();
+                return this;
+              }
+              break;
+            }
+            case 8: {
+              MyInt = input.ReadInt64();
+              break;
+            }
+            case 90: {
+              MyString = input.ReadString();
+              break;
+            }
+            case 813: {
+              MyFloat = input.ReadFloat();
+              break;
+            }
+          }
+        }
+      }
+      
+      
+      public bool HasMyString {
+        get { return result.HasMyString; }
+      }
+      public string MyString {
+        get { return result.MyString; }
+        set { SetMyString(value); }
+      }
+      public Builder SetMyString(string value) {
+        result.hasMyString = true;
+        result.myString_ = value;
+        return this;
+      }
+      public Builder ClearMyString() {
+        result.hasMyString = false;
+        result.myString_ = "";
+        return this;
+      }
+      
+      public bool HasMyInt {
+        get { return result.HasMyInt; }
+      }
+      public long MyInt {
+        get { return result.MyInt; }
+        set { SetMyInt(value); }
+      }
+      public Builder SetMyInt(long value) {
+        result.hasMyInt = true;
+        result.myInt_ = value;
+        return this;
+      }
+      public Builder ClearMyInt() {
+        result.hasMyInt = false;
+        result.myInt_ = 0L;
+        return this;
+      }
+      
+      public bool HasMyFloat {
+        get { return result.HasMyFloat; }
+      }
+      public float MyFloat {
+        get { return result.MyFloat; }
+        set { SetMyFloat(value); }
+      }
+      public Builder SetMyFloat(float value) {
+        result.hasMyFloat = true;
+        result.myFloat_ = value;
+        return this;
+      }
+      public Builder ClearMyFloat() {
+        result.hasMyFloat = false;
+        result.myFloat_ = 0F;
+        return this;
+      }
+    }
+  }
+  
+  public sealed partial class TestExtremeDefaultValues : pb::GeneratedMessage<TestExtremeDefaultValues, TestExtremeDefaultValues.Builder> {
+    private static readonly TestExtremeDefaultValues defaultInstance = new Builder().BuildPartial();
+    public static TestExtremeDefaultValues DefaultInstance {
+      get { return defaultInstance; }
+    }
+    
+    public override TestExtremeDefaultValues DefaultInstanceForType {
+      get { return defaultInstance; }
+    }
+    
+    protected override TestExtremeDefaultValues ThisMessage {
+      get { return this; }
+    }
+    
+    public static pbd::MessageDescriptor Descriptor {
+      get { return global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.internal__static_protobuf_unittest_TestExtremeDefaultValues__Descriptor; }
+    }
+    
+    protected override pb::FieldAccess.FieldAccessorTable<TestExtremeDefaultValues, TestExtremeDefaultValues.Builder> InternalFieldAccessors {
+      get { return global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.internal__static_protobuf_unittest_TestExtremeDefaultValues__FieldAccessorTable; }
+    }
+    
+    private bool hasEscapedBytes;
+    private pb::ByteString escapedBytes_ = (pb::ByteString) global::Google.ProtocolBuffers.TestProtos.TestExtremeDefaultValues.Descriptor.Fields[0].DefaultValue;
+    public bool HasEscapedBytes {
+      get { return hasEscapedBytes; }
+    }
+    public pb::ByteString EscapedBytes {
+      get { return escapedBytes_; }
+    }
+    
+    private bool hasLargeUint32;
+    private uint largeUint32_ = 4294967295;
+    public bool HasLargeUint32 {
+      get { return hasLargeUint32; }
+    }
+    public uint LargeUint32 {
+      get { return largeUint32_; }
+    }
+    
+    private bool hasLargeUint64;
+    private ulong largeUint64_ = 18446744073709551615UL;
+    public bool HasLargeUint64 {
+      get { return hasLargeUint64; }
+    }
+    public ulong LargeUint64 {
+      get { return largeUint64_; }
+    }
+    
+    private bool hasSmallInt32;
+    private int smallInt32_ = -2147483647;
+    public bool HasSmallInt32 {
+      get { return hasSmallInt32; }
+    }
+    public int SmallInt32 {
+      get { return smallInt32_; }
+    }
+    
+    private bool hasSmallInt64;
+    private long smallInt64_ = -9223372036854775807L;
+    public bool HasSmallInt64 {
+      get { return hasSmallInt64; }
+    }
+    public long SmallInt64 {
+      get { return smallInt64_; }
+    }
+    
+    private bool hasUtf8String;
+    private string utf8String_ = (string) global::Google.ProtocolBuffers.TestProtos.TestExtremeDefaultValues.Descriptor.Fields[5].DefaultValue;
+    public bool HasUtf8String {
+      get { return hasUtf8String; }
+    }
+    public string Utf8String {
+      get { return utf8String_; }
+    }
+    
+    public override bool IsInitialized {
+      get {
+        return true;
+      }
+    }
+    
+    public override void WriteTo(pb::CodedOutputStream output) {
+      if (HasEscapedBytes) {
+        output.WriteBytes(1, EscapedBytes);
+      }
+      if (HasLargeUint32) {
+        output.WriteUInt32(2, LargeUint32);
+      }
+      if (HasLargeUint64) {
+        output.WriteUInt64(3, LargeUint64);
+      }
+      if (HasSmallInt32) {
+        output.WriteInt32(4, SmallInt32);
+      }
+      if (HasSmallInt64) {
+        output.WriteInt64(5, SmallInt64);
+      }
+      if (HasUtf8String) {
+        output.WriteString(6, Utf8String);
+      }
+      UnknownFields.WriteTo(output);
+    }
+    
+    private int memoizedSerializedSize = -1;
+    public override int SerializedSize {
+      get {
+        int size = memoizedSerializedSize;
+        if (size != -1) return size;
+        
+        size = 0;
+        if (HasEscapedBytes) {
+          size += pb::CodedOutputStream.ComputeBytesSize(1, EscapedBytes);
+        }
+        if (HasLargeUint32) {
+          size += pb::CodedOutputStream.ComputeUInt32Size(2, LargeUint32);
+        }
+        if (HasLargeUint64) {
+          size += pb::CodedOutputStream.ComputeUInt64Size(3, LargeUint64);
+        }
+        if (HasSmallInt32) {
+          size += pb::CodedOutputStream.ComputeInt32Size(4, SmallInt32);
+        }
+        if (HasSmallInt64) {
+          size += pb::CodedOutputStream.ComputeInt64Size(5, SmallInt64);
+        }
+        if (HasUtf8String) {
+          size += pb::CodedOutputStream.ComputeStringSize(6, Utf8String);
+        }
+        size += UnknownFields.SerializedSize;
+        memoizedSerializedSize = size;
+        return size;
+      }
+    }
+    
+    public static TestExtremeDefaultValues ParseFrom(pb::ByteString data) {
+      return ((Builder) CreateBuilder().MergeFrom(data)).BuildParsed();
+    }
+    public static TestExtremeDefaultValues ParseFrom(pb::ByteString data, pb::ExtensionRegistry extensionRegistry) {
+      return ((Builder) CreateBuilder().MergeFrom(data, extensionRegistry)).BuildParsed();
+    }
+    public static TestExtremeDefaultValues ParseFrom(byte[] data) {
+      return ((Builder) CreateBuilder().MergeFrom(data)).BuildParsed();
+    }
+    public static TestExtremeDefaultValues ParseFrom(byte[] data, pb::ExtensionRegistry extensionRegistry) {
+      return ((Builder) CreateBuilder().MergeFrom(data, extensionRegistry)).BuildParsed();
+    }
+    public static TestExtremeDefaultValues ParseFrom(global::System.IO.Stream input) {
+      return ((Builder) CreateBuilder().MergeFrom(input)).BuildParsed();
+    }
+    public static TestExtremeDefaultValues ParseFrom(global::System.IO.Stream input, pb::ExtensionRegistry extensionRegistry) {
+      return ((Builder) CreateBuilder().MergeFrom(input, extensionRegistry)).BuildParsed();
+    }
+    public static TestExtremeDefaultValues ParseFrom(pb::CodedInputStream input) {
+      return ((Builder) CreateBuilder().MergeFrom(input)).BuildParsed();
+    }
+    public static TestExtremeDefaultValues ParseFrom(pb::CodedInputStream input, pb::ExtensionRegistry extensionRegistry) {
+      return ((Builder) CreateBuilder().MergeFrom(input, extensionRegistry)).BuildParsed();
+    }
+    public static Builder CreateBuilder() { return new Builder(); }
+    public override Builder CreateBuilderForType() { return new Builder(); }
+    public static Builder CreateBuilder(TestExtremeDefaultValues prototype) {
+      return (Builder) new Builder().MergeFrom(prototype);
+    }
+    
+    public sealed partial class Builder : pb::GeneratedBuilder<TestExtremeDefaultValues, Builder> {
+      protected override Builder ThisBuilder {
+        get { return this; }
+      }
+      public Builder() {}
+      
+      TestExtremeDefaultValues result = new TestExtremeDefaultValues();
+      
+      protected override TestExtremeDefaultValues MessageBeingBuilt {
+        get { return result; }
+      }
+      
+      public override Builder Clear() {
+        result = new TestExtremeDefaultValues();
+        return this;
+      }
+      
+      public override Builder Clone() {
+        return new Builder().MergeFrom(result);
+      }
+      
+      public override pbd::MessageDescriptor DescriptorForType {
+        get { return TestExtremeDefaultValues.Descriptor; }
+      }
+      
+      public override TestExtremeDefaultValues DefaultInstanceForType {
+        get { return TestExtremeDefaultValues.DefaultInstance; }
+      }
+      
+      public override TestExtremeDefaultValues BuildPartial() {
+        TestExtremeDefaultValues returnMe = result;
+        result = null;
+        return returnMe;
+      }
+      
+      public override Builder MergeFrom(pb::IMessage other) {
+        if (other is TestExtremeDefaultValues) {
+          return MergeFrom((TestExtremeDefaultValues) other);
+        } else {
+          base.MergeFrom(other);
+          return this;
+        }
+      }
+      
+      public override Builder MergeFrom(TestExtremeDefaultValues other) {
+        if (other == TestExtremeDefaultValues.DefaultInstance) return this;
+        if (other.HasEscapedBytes) {
+          EscapedBytes = other.EscapedBytes;
+        }
+        if (other.HasLargeUint32) {
+          LargeUint32 = other.LargeUint32;
+        }
+        if (other.HasLargeUint64) {
+          LargeUint64 = other.LargeUint64;
+        }
+        if (other.HasSmallInt32) {
+          SmallInt32 = other.SmallInt32;
+        }
+        if (other.HasSmallInt64) {
+          SmallInt64 = other.SmallInt64;
+        }
+        if (other.HasUtf8String) {
+          Utf8String = other.Utf8String;
+        }
+        this.MergeUnknownFields(other.UnknownFields);
+        return this;
+      }
+      
+      public override Builder MergeFrom(pb::CodedInputStream input) {
+        return MergeFrom(input, pb::ExtensionRegistry.Empty);
+      }
+      
+      public override Builder MergeFrom(pb::CodedInputStream input, pb::ExtensionRegistry extensionRegistry) {
+        pb::UnknownFieldSet.Builder unknownFields = pb::UnknownFieldSet.CreateBuilder(this.UnknownFields);
+        while (true) {
+          uint tag = input.ReadTag();
+          switch (tag) {
+            case 0: {
+              this.UnknownFields = unknownFields.Build();
+              return this;
+            }
+            default: {
+              if (!ParseUnknownField(input, unknownFields, extensionRegistry, tag)) {
+                this.UnknownFields = unknownFields.Build();
+                return this;
+              }
+              break;
+            }
+            case 10: {
+              EscapedBytes = input.ReadBytes();
+              break;
+            }
+            case 16: {
+              LargeUint32 = input.ReadUInt32();
+              break;
+            }
+            case 24: {
+              LargeUint64 = input.ReadUInt64();
+              break;
+            }
+            case 32: {
+              SmallInt32 = input.ReadInt32();
+              break;
+            }
+            case 40: {
+              SmallInt64 = input.ReadInt64();
+              break;
+            }
+            case 50: {
+              Utf8String = input.ReadString();
+              break;
+            }
+          }
+        }
+      }
+      
+      
+      public bool HasEscapedBytes {
+        get { return result.HasEscapedBytes; }
+      }
+      public pb::ByteString EscapedBytes {
+        get { return result.EscapedBytes; }
+        set { SetEscapedBytes(value); }
+      }
+      public Builder SetEscapedBytes(pb::ByteString value) {
+        result.hasEscapedBytes = true;
+        result.escapedBytes_ = value;
+        return this;
+      }
+      public Builder ClearEscapedBytes() {
+        result.hasEscapedBytes = false;
+        result.escapedBytes_ = (pb::ByteString) global::Google.ProtocolBuffers.TestProtos.TestExtremeDefaultValues.Descriptor.Fields[0].DefaultValue;
+        return this;
+      }
+      
+      public bool HasLargeUint32 {
+        get { return result.HasLargeUint32; }
+      }
+      public uint LargeUint32 {
+        get { return result.LargeUint32; }
+        set { SetLargeUint32(value); }
+      }
+      public Builder SetLargeUint32(uint value) {
+        result.hasLargeUint32 = true;
+        result.largeUint32_ = value;
+        return this;
+      }
+      public Builder ClearLargeUint32() {
+        result.hasLargeUint32 = false;
+        result.largeUint32_ = 4294967295;
+        return this;
+      }
+      
+      public bool HasLargeUint64 {
+        get { return result.HasLargeUint64; }
+      }
+      public ulong LargeUint64 {
+        get { return result.LargeUint64; }
+        set { SetLargeUint64(value); }
+      }
+      public Builder SetLargeUint64(ulong value) {
+        result.hasLargeUint64 = true;
+        result.largeUint64_ = value;
+        return this;
+      }
+      public Builder ClearLargeUint64() {
+        result.hasLargeUint64 = false;
+        result.largeUint64_ = 18446744073709551615UL;
+        return this;
+      }
+      
+      public bool HasSmallInt32 {
+        get { return result.HasSmallInt32; }
+      }
+      public int SmallInt32 {
+        get { return result.SmallInt32; }
+        set { SetSmallInt32(value); }
+      }
+      public Builder SetSmallInt32(int value) {
+        result.hasSmallInt32 = true;
+        result.smallInt32_ = value;
+        return this;
+      }
+      public Builder ClearSmallInt32() {
+        result.hasSmallInt32 = false;
+        result.smallInt32_ = -2147483647;
+        return this;
+      }
+      
+      public bool HasSmallInt64 {
+        get { return result.HasSmallInt64; }
+      }
+      public long SmallInt64 {
+        get { return result.SmallInt64; }
+        set { SetSmallInt64(value); }
+      }
+      public Builder SetSmallInt64(long value) {
+        result.hasSmallInt64 = true;
+        result.smallInt64_ = value;
+        return this;
+      }
+      public Builder ClearSmallInt64() {
+        result.hasSmallInt64 = false;
+        result.smallInt64_ = -9223372036854775807L;
+        return this;
+      }
+      
+      public bool HasUtf8String {
+        get { return result.HasUtf8String; }
+      }
+      public string Utf8String {
+        get { return result.Utf8String; }
+        set { SetUtf8String(value); }
+      }
+      public Builder SetUtf8String(string value) {
+        result.hasUtf8String = true;
+        result.utf8String_ = value;
+        return this;
+      }
+      public Builder ClearUtf8String() {
+        result.hasUtf8String = false;
+        result.utf8String_ = (string) global::Google.ProtocolBuffers.TestProtos.TestExtremeDefaultValues.Descriptor.Fields[5].DefaultValue;
+        return this;
+      }
+    }
+  }
+  
+  public sealed partial class FooRequest : pb::GeneratedMessage<FooRequest, FooRequest.Builder> {
+    private static readonly FooRequest defaultInstance = new Builder().BuildPartial();
+    public static FooRequest DefaultInstance {
+      get { return defaultInstance; }
+    }
+    
+    public override FooRequest DefaultInstanceForType {
+      get { return defaultInstance; }
+    }
+    
+    protected override FooRequest ThisMessage {
+      get { return this; }
+    }
+    
+    public static pbd::MessageDescriptor Descriptor {
+      get { return global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.internal__static_protobuf_unittest_FooRequest__Descriptor; }
+    }
+    
+    protected override pb::FieldAccess.FieldAccessorTable<FooRequest, FooRequest.Builder> InternalFieldAccessors {
+      get { return global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.internal__static_protobuf_unittest_FooRequest__FieldAccessorTable; }
+    }
+    
+    public override bool IsInitialized {
+      get {
+        return true;
+      }
+    }
+    
+    public override void WriteTo(pb::CodedOutputStream output) {
+      UnknownFields.WriteTo(output);
+    }
+    
+    private int memoizedSerializedSize = -1;
+    public override int SerializedSize {
+      get {
+        int size = memoizedSerializedSize;
+        if (size != -1) return size;
+        
+        size = 0;
+        size += UnknownFields.SerializedSize;
+        memoizedSerializedSize = size;
+        return size;
+      }
+    }
+    
+    public static FooRequest ParseFrom(pb::ByteString data) {
+      return ((Builder) CreateBuilder().MergeFrom(data)).BuildParsed();
+    }
+    public static FooRequest ParseFrom(pb::ByteString data, pb::ExtensionRegistry extensionRegistry) {
+      return ((Builder) CreateBuilder().MergeFrom(data, extensionRegistry)).BuildParsed();
+    }
+    public static FooRequest ParseFrom(byte[] data) {
+      return ((Builder) CreateBuilder().MergeFrom(data)).BuildParsed();
+    }
+    public static FooRequest ParseFrom(byte[] data, pb::ExtensionRegistry extensionRegistry) {
+      return ((Builder) CreateBuilder().MergeFrom(data, extensionRegistry)).BuildParsed();
+    }
+    public static FooRequest ParseFrom(global::System.IO.Stream input) {
+      return ((Builder) CreateBuilder().MergeFrom(input)).BuildParsed();
+    }
+    public static FooRequest ParseFrom(global::System.IO.Stream input, pb::ExtensionRegistry extensionRegistry) {
+      return ((Builder) CreateBuilder().MergeFrom(input, extensionRegistry)).BuildParsed();
+    }
+    public static FooRequest ParseFrom(pb::CodedInputStream input) {
+      return ((Builder) CreateBuilder().MergeFrom(input)).BuildParsed();
+    }
+    public static FooRequest ParseFrom(pb::CodedInputStream input, pb::ExtensionRegistry extensionRegistry) {
+      return ((Builder) CreateBuilder().MergeFrom(input, extensionRegistry)).BuildParsed();
+    }
+    public static Builder CreateBuilder() { return new Builder(); }
+    public override Builder CreateBuilderForType() { return new Builder(); }
+    public static Builder CreateBuilder(FooRequest prototype) {
+      return (Builder) new Builder().MergeFrom(prototype);
+    }
+    
+    public sealed partial class Builder : pb::GeneratedBuilder<FooRequest, Builder> {
+      protected override Builder ThisBuilder {
+        get { return this; }
+      }
+      public Builder() {}
+      
+      FooRequest result = new FooRequest();
+      
+      protected override FooRequest MessageBeingBuilt {
+        get { return result; }
+      }
+      
+      public override Builder Clear() {
+        result = new FooRequest();
+        return this;
+      }
+      
+      public override Builder Clone() {
+        return new Builder().MergeFrom(result);
+      }
+      
+      public override pbd::MessageDescriptor DescriptorForType {
+        get { return FooRequest.Descriptor; }
+      }
+      
+      public override FooRequest DefaultInstanceForType {
+        get { return FooRequest.DefaultInstance; }
+      }
+      
+      public override FooRequest BuildPartial() {
+        FooRequest returnMe = result;
+        result = null;
+        return returnMe;
+      }
+      
+      public override Builder MergeFrom(pb::IMessage other) {
+        if (other is FooRequest) {
+          return MergeFrom((FooRequest) other);
+        } else {
+          base.MergeFrom(other);
+          return this;
+        }
+      }
+      
+      public override Builder MergeFrom(FooRequest other) {
+        if (other == FooRequest.DefaultInstance) return this;
+        this.MergeUnknownFields(other.UnknownFields);
+        return this;
+      }
+      
+      public override Builder MergeFrom(pb::CodedInputStream input) {
+        return MergeFrom(input, pb::ExtensionRegistry.Empty);
+      }
+      
+      public override Builder MergeFrom(pb::CodedInputStream input, pb::ExtensionRegistry extensionRegistry) {
+        pb::UnknownFieldSet.Builder unknownFields = pb::UnknownFieldSet.CreateBuilder(this.UnknownFields);
+        while (true) {
+          uint tag = input.ReadTag();
+          switch (tag) {
+            case 0: {
+              this.UnknownFields = unknownFields.Build();
+              return this;
+            }
+            default: {
+              if (!ParseUnknownField(input, unknownFields, extensionRegistry, tag)) {
+                this.UnknownFields = unknownFields.Build();
+                return this;
+              }
+              break;
+            }
+          }
+        }
+      }
+      
+    }
+  }
+  
+  public sealed partial class FooResponse : pb::GeneratedMessage<FooResponse, FooResponse.Builder> {
+    private static readonly FooResponse defaultInstance = new Builder().BuildPartial();
+    public static FooResponse DefaultInstance {
+      get { return defaultInstance; }
+    }
+    
+    public override FooResponse DefaultInstanceForType {
+      get { return defaultInstance; }
+    }
+    
+    protected override FooResponse ThisMessage {
+      get { return this; }
+    }
+    
+    public static pbd::MessageDescriptor Descriptor {
+      get { return global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.internal__static_protobuf_unittest_FooResponse__Descriptor; }
+    }
+    
+    protected override pb::FieldAccess.FieldAccessorTable<FooResponse, FooResponse.Builder> InternalFieldAccessors {
+      get { return global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.internal__static_protobuf_unittest_FooResponse__FieldAccessorTable; }
+    }
+    
+    public override bool IsInitialized {
+      get {
+        return true;
+      }
+    }
+    
+    public override void WriteTo(pb::CodedOutputStream output) {
+      UnknownFields.WriteTo(output);
+    }
+    
+    private int memoizedSerializedSize = -1;
+    public override int SerializedSize {
+      get {
+        int size = memoizedSerializedSize;
+        if (size != -1) return size;
+        
+        size = 0;
+        size += UnknownFields.SerializedSize;
+        memoizedSerializedSize = size;
+        return size;
+      }
+    }
+    
+    public static FooResponse ParseFrom(pb::ByteString data) {
+      return ((Builder) CreateBuilder().MergeFrom(data)).BuildParsed();
+    }
+    public static FooResponse ParseFrom(pb::ByteString data, pb::ExtensionRegistry extensionRegistry) {
+      return ((Builder) CreateBuilder().MergeFrom(data, extensionRegistry)).BuildParsed();
+    }
+    public static FooResponse ParseFrom(byte[] data) {
+      return ((Builder) CreateBuilder().MergeFrom(data)).BuildParsed();
+    }
+    public static FooResponse ParseFrom(byte[] data, pb::ExtensionRegistry extensionRegistry) {
+      return ((Builder) CreateBuilder().MergeFrom(data, extensionRegistry)).BuildParsed();
+    }
+    public static FooResponse ParseFrom(global::System.IO.Stream input) {
+      return ((Builder) CreateBuilder().MergeFrom(input)).BuildParsed();
+    }
+    public static FooResponse ParseFrom(global::System.IO.Stream input, pb::ExtensionRegistry extensionRegistry) {
+      return ((Builder) CreateBuilder().MergeFrom(input, extensionRegistry)).BuildParsed();
+    }
+    public static FooResponse ParseFrom(pb::CodedInputStream input) {
+      return ((Builder) CreateBuilder().MergeFrom(input)).BuildParsed();
+    }
+    public static FooResponse ParseFrom(pb::CodedInputStream input, pb::ExtensionRegistry extensionRegistry) {
+      return ((Builder) CreateBuilder().MergeFrom(input, extensionRegistry)).BuildParsed();
+    }
+    public static Builder CreateBuilder() { return new Builder(); }
+    public override Builder CreateBuilderForType() { return new Builder(); }
+    public static Builder CreateBuilder(FooResponse prototype) {
+      return (Builder) new Builder().MergeFrom(prototype);
+    }
+    
+    public sealed partial class Builder : pb::GeneratedBuilder<FooResponse, Builder> {
+      protected override Builder ThisBuilder {
+        get { return this; }
+      }
+      public Builder() {}
+      
+      FooResponse result = new FooResponse();
+      
+      protected override FooResponse MessageBeingBuilt {
+        get { return result; }
+      }
+      
+      public override Builder Clear() {
+        result = new FooResponse();
+        return this;
+      }
+      
+      public override Builder Clone() {
+        return new Builder().MergeFrom(result);
+      }
+      
+      public override pbd::MessageDescriptor DescriptorForType {
+        get { return FooResponse.Descriptor; }
+      }
+      
+      public override FooResponse DefaultInstanceForType {
+        get { return FooResponse.DefaultInstance; }
+      }
+      
+      public override FooResponse BuildPartial() {
+        FooResponse returnMe = result;
+        result = null;
+        return returnMe;
+      }
+      
+      public override Builder MergeFrom(pb::IMessage other) {
+        if (other is FooResponse) {
+          return MergeFrom((FooResponse) other);
+        } else {
+          base.MergeFrom(other);
+          return this;
+        }
+      }
+      
+      public override Builder MergeFrom(FooResponse other) {
+        if (other == FooResponse.DefaultInstance) return this;
+        this.MergeUnknownFields(other.UnknownFields);
+        return this;
+      }
+      
+      public override Builder MergeFrom(pb::CodedInputStream input) {
+        return MergeFrom(input, pb::ExtensionRegistry.Empty);
+      }
+      
+      public override Builder MergeFrom(pb::CodedInputStream input, pb::ExtensionRegistry extensionRegistry) {
+        pb::UnknownFieldSet.Builder unknownFields = pb::UnknownFieldSet.CreateBuilder(this.UnknownFields);
+        while (true) {
+          uint tag = input.ReadTag();
+          switch (tag) {
+            case 0: {
+              this.UnknownFields = unknownFields.Build();
+              return this;
+            }
+            default: {
+              if (!ParseUnknownField(input, unknownFields, extensionRegistry, tag)) {
+                this.UnknownFields = unknownFields.Build();
+                return this;
+              }
+              break;
+            }
+          }
+        }
+      }
+      
+    }
+  }
+  
+  public sealed partial class BarRequest : pb::GeneratedMessage<BarRequest, BarRequest.Builder> {
+    private static readonly BarRequest defaultInstance = new Builder().BuildPartial();
+    public static BarRequest DefaultInstance {
+      get { return defaultInstance; }
+    }
+    
+    public override BarRequest DefaultInstanceForType {
+      get { return defaultInstance; }
+    }
+    
+    protected override BarRequest ThisMessage {
+      get { return this; }
+    }
+    
+    public static pbd::MessageDescriptor Descriptor {
+      get { return global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.internal__static_protobuf_unittest_BarRequest__Descriptor; }
+    }
+    
+    protected override pb::FieldAccess.FieldAccessorTable<BarRequest, BarRequest.Builder> InternalFieldAccessors {
+      get { return global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.internal__static_protobuf_unittest_BarRequest__FieldAccessorTable; }
+    }
+    
+    public override bool IsInitialized {
+      get {
+        return true;
+      }
+    }
+    
+    public override void WriteTo(pb::CodedOutputStream output) {
+      UnknownFields.WriteTo(output);
+    }
+    
+    private int memoizedSerializedSize = -1;
+    public override int SerializedSize {
+      get {
+        int size = memoizedSerializedSize;
+        if (size != -1) return size;
+        
+        size = 0;
+        size += UnknownFields.SerializedSize;
+        memoizedSerializedSize = size;
+        return size;
+      }
+    }
+    
+    public static BarRequest ParseFrom(pb::ByteString data) {
+      return ((Builder) CreateBuilder().MergeFrom(data)).BuildParsed();
+    }
+    public static BarRequest ParseFrom(pb::ByteString data, pb::ExtensionRegistry extensionRegistry) {
+      return ((Builder) CreateBuilder().MergeFrom(data, extensionRegistry)).BuildParsed();
+    }
+    public static BarRequest ParseFrom(byte[] data) {
+      return ((Builder) CreateBuilder().MergeFrom(data)).BuildParsed();
+    }
+    public static BarRequest ParseFrom(byte[] data, pb::ExtensionRegistry extensionRegistry) {
+      return ((Builder) CreateBuilder().MergeFrom(data, extensionRegistry)).BuildParsed();
+    }
+    public static BarRequest ParseFrom(global::System.IO.Stream input) {
+      return ((Builder) CreateBuilder().MergeFrom(input)).BuildParsed();
+    }
+    public static BarRequest ParseFrom(global::System.IO.Stream input, pb::ExtensionRegistry extensionRegistry) {
+      return ((Builder) CreateBuilder().MergeFrom(input, extensionRegistry)).BuildParsed();
+    }
+    public static BarRequest ParseFrom(pb::CodedInputStream input) {
+      return ((Builder) CreateBuilder().MergeFrom(input)).BuildParsed();
+    }
+    public static BarRequest ParseFrom(pb::CodedInputStream input, pb::ExtensionRegistry extensionRegistry) {
+      return ((Builder) CreateBuilder().MergeFrom(input, extensionRegistry)).BuildParsed();
+    }
+    public static Builder CreateBuilder() { return new Builder(); }
+    public override Builder CreateBuilderForType() { return new Builder(); }
+    public static Builder CreateBuilder(BarRequest prototype) {
+      return (Builder) new Builder().MergeFrom(prototype);
+    }
+    
+    public sealed partial class Builder : pb::GeneratedBuilder<BarRequest, Builder> {
+      protected override Builder ThisBuilder {
+        get { return this; }
+      }
+      public Builder() {}
+      
+      BarRequest result = new BarRequest();
+      
+      protected override BarRequest MessageBeingBuilt {
+        get { return result; }
+      }
+      
+      public override Builder Clear() {
+        result = new BarRequest();
+        return this;
+      }
+      
+      public override Builder Clone() {
+        return new Builder().MergeFrom(result);
+      }
+      
+      public override pbd::MessageDescriptor DescriptorForType {
+        get { return BarRequest.Descriptor; }
+      }
+      
+      public override BarRequest DefaultInstanceForType {
+        get { return BarRequest.DefaultInstance; }
+      }
+      
+      public override BarRequest BuildPartial() {
+        BarRequest returnMe = result;
+        result = null;
+        return returnMe;
+      }
+      
+      public override Builder MergeFrom(pb::IMessage other) {
+        if (other is BarRequest) {
+          return MergeFrom((BarRequest) other);
+        } else {
+          base.MergeFrom(other);
+          return this;
+        }
+      }
+      
+      public override Builder MergeFrom(BarRequest other) {
+        if (other == BarRequest.DefaultInstance) return this;
+        this.MergeUnknownFields(other.UnknownFields);
+        return this;
+      }
+      
+      public override Builder MergeFrom(pb::CodedInputStream input) {
+        return MergeFrom(input, pb::ExtensionRegistry.Empty);
+      }
+      
+      public override Builder MergeFrom(pb::CodedInputStream input, pb::ExtensionRegistry extensionRegistry) {
+        pb::UnknownFieldSet.Builder unknownFields = pb::UnknownFieldSet.CreateBuilder(this.UnknownFields);
+        while (true) {
+          uint tag = input.ReadTag();
+          switch (tag) {
+            case 0: {
+              this.UnknownFields = unknownFields.Build();
+              return this;
+            }
+            default: {
+              if (!ParseUnknownField(input, unknownFields, extensionRegistry, tag)) {
+                this.UnknownFields = unknownFields.Build();
+                return this;
+              }
+              break;
+            }
+          }
+        }
+      }
+      
+    }
+  }
+  
+  public sealed partial class BarResponse : pb::GeneratedMessage<BarResponse, BarResponse.Builder> {
+    private static readonly BarResponse defaultInstance = new Builder().BuildPartial();
+    public static BarResponse DefaultInstance {
+      get { return defaultInstance; }
+    }
+    
+    public override BarResponse DefaultInstanceForType {
+      get { return defaultInstance; }
+    }
+    
+    protected override BarResponse ThisMessage {
+      get { return this; }
+    }
+    
+    public static pbd::MessageDescriptor Descriptor {
+      get { return global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.internal__static_protobuf_unittest_BarResponse__Descriptor; }
+    }
+    
+    protected override pb::FieldAccess.FieldAccessorTable<BarResponse, BarResponse.Builder> InternalFieldAccessors {
+      get { return global::Google.ProtocolBuffers.TestProtos.UnitTestProtoFile.internal__static_protobuf_unittest_BarResponse__FieldAccessorTable; }
+    }
+    
+    public override bool IsInitialized {
+      get {
+        return true;
+      }
+    }
+    
+    public override void WriteTo(pb::CodedOutputStream output) {
+      UnknownFields.WriteTo(output);
+    }
+    
+    private int memoizedSerializedSize = -1;
+    public override int SerializedSize {
+      get {
+        int size = memoizedSerializedSize;
+        if (size != -1) return size;
+        
+        size = 0;
+        size += UnknownFields.SerializedSize;
+        memoizedSerializedSize = size;
+        return size;
+      }
+    }
+    
+    public static BarResponse ParseFrom(pb::ByteString data) {
+      return ((Builder) CreateBuilder().MergeFrom(data)).BuildParsed();
+    }
+    public static BarResponse ParseFrom(pb::ByteString data, pb::ExtensionRegistry extensionRegistry) {
+      return ((Builder) CreateBuilder().MergeFrom(data, extensionRegistry)).BuildParsed();
+    }
+    public static BarResponse ParseFrom(byte[] data) {
+      return ((Builder) CreateBuilder().MergeFrom(data)).BuildParsed();
+    }
+    public static BarResponse ParseFrom(byte[] data, pb::ExtensionRegistry extensionRegistry) {
+      return ((Builder) CreateBuilder().MergeFrom(data, extensionRegistry)).BuildParsed();
+    }
+    public static BarResponse ParseFrom(global::System.IO.Stream input) {
+      return ((Builder) CreateBuilder().MergeFrom(input)).BuildParsed();
+    }
+    public static BarResponse ParseFrom(global::System.IO.Stream input, pb::ExtensionRegistry extensionRegistry) {
+      return ((Builder) CreateBuilder().MergeFrom(input, extensionRegistry)).BuildParsed();
+    }
+    public static BarResponse ParseFrom(pb::CodedInputStream input) {
+      return ((Builder) CreateBuilder().MergeFrom(input)).BuildParsed();
+    }
+    public static BarResponse ParseFrom(pb::CodedInputStream input, pb::ExtensionRegistry extensionRegistry) {
+      return ((Builder) CreateBuilder().MergeFrom(input, extensionRegistry)).BuildParsed();
+    }
+    public static Builder CreateBuilder() { return new Builder(); }
+    public override Builder CreateBuilderForType() { return new Builder(); }
+    public static Builder CreateBuilder(BarResponse prototype) {
+      return (Builder) new Builder().MergeFrom(prototype);
+    }
+    
+    public sealed partial class Builder : pb::GeneratedBuilder<BarResponse, Builder> {
+      protected override Builder ThisBuilder {
+        get { return this; }
+      }
+      public Builder() {}
+      
+      BarResponse result = new BarResponse();
+      
+      protected override BarResponse MessageBeingBuilt {
+        get { return result; }
+      }
+      
+      public override Builder Clear() {
+        result = new BarResponse();
+        return this;
+      }
+      
+      public override Builder Clone() {
+        return new Builder().MergeFrom(result);
+      }
+      
+      public override pbd::MessageDescriptor DescriptorForType {
+        get { return BarResponse.Descriptor; }
+      }
+      
+      public override BarResponse DefaultInstanceForType {
+        get { return BarResponse.DefaultInstance; }
+      }
+      
+      public override BarResponse BuildPartial() {
+        BarResponse returnMe = result;
+        result = null;
+        return returnMe;
+      }
+      
+      public override Builder MergeFrom(pb::IMessage other) {
+        if (other is BarResponse) {
+          return MergeFrom((BarResponse) other);
+        } else {
+          base.MergeFrom(other);
+          return this;
+        }
+      }
+      
+      public override Builder MergeFrom(BarResponse other) {
+        if (other == BarResponse.DefaultInstance) return this;
+        this.MergeUnknownFields(other.UnknownFields);
+        return this;
+      }
+      
+      public override Builder MergeFrom(pb::CodedInputStream input) {
+        return MergeFrom(input, pb::ExtensionRegistry.Empty);
+      }
+      
+      public override Builder MergeFrom(pb::CodedInputStream input, pb::ExtensionRegistry extensionRegistry) {
+        pb::UnknownFieldSet.Builder unknownFields = pb::UnknownFieldSet.CreateBuilder(this.UnknownFields);
+        while (true) {
+          uint tag = input.ReadTag();
+          switch (tag) {
+            case 0: {
+              this.UnknownFields = unknownFields.Build();
+              return this;
+            }
+            default: {
+              if (!ParseUnknownField(input, unknownFields, extensionRegistry, tag)) {
+                this.UnknownFields = unknownFields.Build();
+                return this;
+              }
+              break;
+            }
+          }
+        }
+      }
+      
+    }
+  }
+  
+  #endregion
+  
+  #region Services
+  public abstract class TestService : pb::IService {
+    public abstract void Foo(
+        pb::IRpcController controller,
+        global::Google.ProtocolBuffers.TestProtos.FooRequest request,
+        global::System.Action<global::Google.ProtocolBuffers.TestProtos.FooResponse> done);
+    public abstract void Bar(
+        pb::IRpcController controller,
+        global::Google.ProtocolBuffers.TestProtos.BarRequest request,
+        global::System.Action<global::Google.ProtocolBuffers.TestProtos.BarResponse> done);
+    
+    public static pbd::ServiceDescriptor Descriptor {
+      get { return UnitTestProtoFile.Descriptor.Services[0]; }
+    }
+    public pbd::ServiceDescriptor DescriptorForType {
+      get { return Descriptor; }
+    }
+    
+    public void CallMethod(
+        pbd::MethodDescriptor method,
+        pb::IRpcController controller,
+        pb::IMessage request,
+        global::System.Action<pb::IMessage> done) {
+      if (method.Service != Descriptor) {
+        throw new global::System.ArgumentException(
+            "Service.CallMethod() given method descriptor for wrong service type.");
+      }
+      switch(method.Index) {
+        case 0:
+          this.Foo(controller, (global::Google.ProtocolBuffers.TestProtos.FooRequest) request,
+              pb::RpcUtil.SpecializeCallback<global::Google.ProtocolBuffers.TestProtos.FooResponse>(
+              done));
+          return;
+        case 1:
+          this.Bar(controller, (global::Google.ProtocolBuffers.TestProtos.BarRequest) request,
+              pb::RpcUtil.SpecializeCallback<global::Google.ProtocolBuffers.TestProtos.BarResponse>(
+              done));
+          return;
+        default:
+          throw new global::System.InvalidOperationException("Can't get here.");
+      }
+    }
+    
+    public pb::IMessage GetRequestPrototype(pbd::MethodDescriptor method) {
+      if (method.Service != Descriptor) {
+        throw new global::System.ArgumentException(
+            "Service.GetRequestPrototype() given method descriptor for wrong service type.");
+      }
+      switch(method.Index) {
+        case 0:
+          return global::Google.ProtocolBuffers.TestProtos.FooRequest.DefaultInstance;
+        case 1:
+          return global::Google.ProtocolBuffers.TestProtos.BarRequest.DefaultInstance;
+        default:
+          throw new global::System.InvalidOperationException("Can't get here.");
+      }
+    }
+    
+    public pb::IMessage GetResponsePrototype(pbd::MethodDescriptor method) {
+      if (method.Service != Descriptor) {
+        throw new global::System.ArgumentException(
+            "Service.GetResponsePrototype() given method descriptor for wrong service type.");
+      }
+      switch(method.Index) {
+        case 0:
+          return global::Google.ProtocolBuffers.TestProtos.FooResponse.DefaultInstance;
+        case 1:
+          return global::Google.ProtocolBuffers.TestProtos.BarResponse.DefaultInstance;
+        default:
+          throw new global::System.InvalidOperationException("Can't get here.");
+      }
+    }
+    
+    public static Stub CreateStub(pb::IRpcChannel channel) {
+      return new Stub(channel);
+    }
+    
+    public class Stub : global::Google.ProtocolBuffers.TestProtos.TestService {
+      internal Stub(pb::IRpcChannel channel) {
+        this.channel = channel;
+      }
+      
+      private readonly pb::IRpcChannel channel;
+      
+      public pb::IRpcChannel Channel {
+        get { return channel; }
+      }
+      
+      public override void Foo(
+          pb::IRpcController controller,
+          global::Google.ProtocolBuffers.TestProtos.FooRequest request,
+          global::System.Action<global::Google.ProtocolBuffers.TestProtos.FooResponse> done) {
+        channel.CallMethod(Descriptor.Methods[0],
+            controller, request, global::Google.ProtocolBuffers.TestProtos.FooResponse.DefaultInstance,
+            pb::RpcUtil.GeneralizeCallback<global::Google.ProtocolBuffers.TestProtos.FooResponse, global::Google.ProtocolBuffers.TestProtos.FooResponse.Builder>(done, global::Google.ProtocolBuffers.TestProtos.FooResponse.DefaultInstance));
+      }
+      
+      public override void Bar(
+          pb::IRpcController controller,
+          global::Google.ProtocolBuffers.TestProtos.BarRequest request,
+          global::System.Action<global::Google.ProtocolBuffers.TestProtos.BarResponse> done) {
+        channel.CallMethod(Descriptor.Methods[1],
+            controller, request, global::Google.ProtocolBuffers.TestProtos.BarResponse.DefaultInstance,
+            pb::RpcUtil.GeneralizeCallback<global::Google.ProtocolBuffers.TestProtos.BarResponse, global::Google.ProtocolBuffers.TestProtos.BarResponse.Builder>(done, global::Google.ProtocolBuffers.TestProtos.BarResponse.DefaultInstance));
+      }
+    }
+  }
+  #endregion
+  
+}