// <auto-generated>
//     Generated by the protocol buffer compiler.  DO NOT EDIT!
//     source: unittest_custom_options_proto3.proto
// </auto-generated>
#pragma warning disable 1591, 0612, 3021
#region Designer generated code

using pb = global::Google.Protobuf;
using pbc = global::Google.Protobuf.Collections;
using pbr = global::Google.Protobuf.Reflection;
using scg = global::System.Collections.Generic;
namespace UnitTest.Issues.TestProtos {

  /// <summary>Holder for reflection information generated from unittest_custom_options_proto3.proto</summary>
  public static partial class UnittestCustomOptionsProto3Reflection {

    #region Descriptor
    /// <summary>File descriptor for unittest_custom_options_proto3.proto</summary>
    public static pbr::FileDescriptor Descriptor {
      get { return descriptor; }
    }
    private static pbr::FileDescriptor descriptor;

    static UnittestCustomOptionsProto3Reflection() {
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      descriptor = pbr::FileDescriptor.FromGeneratedCode(descriptorData,
          new pbr::FileDescriptor[] { global::Google.Protobuf.Reflection.DescriptorReflection.Descriptor, },
          new pbr::GeneratedClrTypeInfo(new[] {typeof(global::UnitTest.Issues.TestProtos.MethodOpt1), typeof(global::UnitTest.Issues.TestProtos.AggregateEnum), }, new pb::Extension[] { UnittestCustomOptionsProto3Extensions.FileOpt1, UnittestCustomOptionsProto3Extensions.MessageOpt1, UnittestCustomOptionsProto3Extensions.FieldOpt1, UnittestCustomOptionsProto3Extensions.OneofOpt1, UnittestCustomOptionsProto3Extensions.EnumOpt1, UnittestCustomOptionsProto3Extensions.EnumValueOpt1, UnittestCustomOptionsProto3Extensions.ServiceOpt1, UnittestCustomOptionsProto3Extensions.MethodOpt1, UnittestCustomOptionsProto3Extensions.BoolOpt, UnittestCustomOptionsProto3Extensions.Int32Opt, UnittestCustomOptionsProto3Extensions.Int64Opt, UnittestCustomOptionsProto3Extensions.Uint32Opt, UnittestCustomOptionsProto3Extensions.Uint64Opt, UnittestCustomOptionsProto3Extensions.Sint32Opt, UnittestCustomOptionsProto3Extensions.Sint64Opt, UnittestCustomOptionsProto3Extensions.Fixed32Opt, UnittestCustomOptionsProto3Extensions.Fixed64Opt, UnittestCustomOptionsProto3Extensions.Sfixed32Opt, UnittestCustomOptionsProto3Extensions.Sfixed64Opt, UnittestCustomOptionsProto3Extensions.FloatOpt, UnittestCustomOptionsProto3Extensions.DoubleOpt, UnittestCustomOptionsProto3Extensions.StringOpt, UnittestCustomOptionsProto3Extensions.BytesOpt, UnittestCustomOptionsProto3Extensions.EnumOpt, UnittestCustomOptionsProto3Extensions.MessageTypeOpt, UnittestCustomOptionsProto3Extensions.ComplexOpt1, UnittestCustomOptionsProto3Extensions.ComplexOpt2, UnittestCustomOptionsProto3Extensions.ComplexOpt3, UnittestCustomOptionsProto3Extensions.Fileopt, UnittestCustomOptionsProto3Extensions.Msgopt, UnittestCustomOptionsProto3Extensions.Fieldopt, UnittestCustomOptionsProto3Extensions.Enumopt, UnittestCustomOptionsProto3Extensions.Enumvalopt, UnittestCustomOptionsProto3Extensions.Serviceopt, UnittestCustomOptionsProto3Extensions.Methodopt }, new pbr::GeneratedClrTypeInfo[] {
            new pbr::GeneratedClrTypeInfo(typeof(global::UnitTest.Issues.TestProtos.TestMessageWithCustomOptions), global::UnitTest.Issues.TestProtos.TestMessageWithCustomOptions.Parser, new[]{ "Field1", "OneofField" }, new[]{ "AnOneof" }, new[]{ typeof(global::UnitTest.Issues.TestProtos.TestMessageWithCustomOptions.Types.AnEnum) }, null, null),
            new pbr::GeneratedClrTypeInfo(typeof(global::UnitTest.Issues.TestProtos.CustomOptionFooRequest), global::UnitTest.Issues.TestProtos.CustomOptionFooRequest.Parser, null, null, null, null, null),
            new pbr::GeneratedClrTypeInfo(typeof(global::UnitTest.Issues.TestProtos.CustomOptionFooResponse), global::UnitTest.Issues.TestProtos.CustomOptionFooResponse.Parser, null, null, null, null, null),
            new pbr::GeneratedClrTypeInfo(typeof(global::UnitTest.Issues.TestProtos.CustomOptionFooClientMessage), global::UnitTest.Issues.TestProtos.CustomOptionFooClientMessage.Parser, null, null, null, null, null),
            new pbr::GeneratedClrTypeInfo(typeof(global::UnitTest.Issues.TestProtos.CustomOptionFooServerMessage), global::UnitTest.Issues.TestProtos.CustomOptionFooServerMessage.Parser, null, null, null, null, null),
            new pbr::GeneratedClrTypeInfo(typeof(global::UnitTest.Issues.TestProtos.DummyMessageContainingEnum), global::UnitTest.Issues.TestProtos.DummyMessageContainingEnum.Parser, null, null, new[]{ typeof(global::UnitTest.Issues.TestProtos.DummyMessageContainingEnum.Types.TestEnumType) }, null, null),
            new pbr::GeneratedClrTypeInfo(typeof(global::UnitTest.Issues.TestProtos.DummyMessageInvalidAsOptionType), global::UnitTest.Issues.TestProtos.DummyMessageInvalidAsOptionType.Parser, null, null, null, null, null),
            new pbr::GeneratedClrTypeInfo(typeof(global::UnitTest.Issues.TestProtos.CustomOptionMinIntegerValues), global::UnitTest.Issues.TestProtos.CustomOptionMinIntegerValues.Parser, null, null, null, null, null),
            new pbr::GeneratedClrTypeInfo(typeof(global::UnitTest.Issues.TestProtos.CustomOptionMaxIntegerValues), global::UnitTest.Issues.TestProtos.CustomOptionMaxIntegerValues.Parser, null, null, null, null, null),
            new pbr::GeneratedClrTypeInfo(typeof(global::UnitTest.Issues.TestProtos.CustomOptionOtherValues), global::UnitTest.Issues.TestProtos.CustomOptionOtherValues.Parser, null, null, null, null, null),
            new pbr::GeneratedClrTypeInfo(typeof(global::UnitTest.Issues.TestProtos.SettingRealsFromPositiveInts), global::UnitTest.Issues.TestProtos.SettingRealsFromPositiveInts.Parser, null, null, null, null, null),
            new pbr::GeneratedClrTypeInfo(typeof(global::UnitTest.Issues.TestProtos.SettingRealsFromNegativeInts), global::UnitTest.Issues.TestProtos.SettingRealsFromNegativeInts.Parser, null, null, null, null, null),
            new pbr::GeneratedClrTypeInfo(typeof(global::UnitTest.Issues.TestProtos.ComplexOptionType1), global::UnitTest.Issues.TestProtos.ComplexOptionType1.Parser, new[]{ "Foo", "Foo2", "Foo3", "Foo4" }, null, null, null, null),
            new pbr::GeneratedClrTypeInfo(typeof(global::UnitTest.Issues.TestProtos.ComplexOptionType2), global::UnitTest.Issues.TestProtos.ComplexOptionType2.Parser, new[]{ "Bar", "Baz", "Fred", "Barney" }, null, null, null, new pbr::GeneratedClrTypeInfo[] { new pbr::GeneratedClrTypeInfo(typeof(global::UnitTest.Issues.TestProtos.ComplexOptionType2.Types.ComplexOptionType4), global::UnitTest.Issues.TestProtos.ComplexOptionType2.Types.ComplexOptionType4.Parser, new[]{ "Waldo" }, null, null, new pb::Extension[] { global::UnitTest.Issues.TestProtos.ComplexOptionType2.Types.ComplexOptionType4.Extensions.ComplexOpt4 }, null)}),
            new pbr::GeneratedClrTypeInfo(typeof(global::UnitTest.Issues.TestProtos.ComplexOptionType3), global::UnitTest.Issues.TestProtos.ComplexOptionType3.Parser, new[]{ "Qux" }, null, null, null, null),
            new pbr::GeneratedClrTypeInfo(typeof(global::UnitTest.Issues.TestProtos.VariousComplexOptions), global::UnitTest.Issues.TestProtos.VariousComplexOptions.Parser, null, null, null, null, null),
            new pbr::GeneratedClrTypeInfo(typeof(global::UnitTest.Issues.TestProtos.Aggregate), global::UnitTest.Issues.TestProtos.Aggregate.Parser, new[]{ "I", "S", "Sub" }, null, null, null, null),
            new pbr::GeneratedClrTypeInfo(typeof(global::UnitTest.Issues.TestProtos.AggregateMessage), global::UnitTest.Issues.TestProtos.AggregateMessage.Parser, new[]{ "Fieldname" }, null, null, null, null),
            new pbr::GeneratedClrTypeInfo(typeof(global::UnitTest.Issues.TestProtos.NestedOptionType), global::UnitTest.Issues.TestProtos.NestedOptionType.Parser, null, null, new[]{ typeof(global::UnitTest.Issues.TestProtos.NestedOptionType.Types.NestedEnum) }, null, new pbr::GeneratedClrTypeInfo[] { new pbr::GeneratedClrTypeInfo(typeof(global::UnitTest.Issues.TestProtos.NestedOptionType.Types.NestedMessage), global::UnitTest.Issues.TestProtos.NestedOptionType.Types.NestedMessage.Parser, new[]{ "NestedField" }, null, null, null, null)})
          }));
    }
    #endregion

  }
  /// <summary>Holder for extension identifiers generated from the top level of unittest_custom_options_proto3.proto</summary>
  public static partial class UnittestCustomOptionsProto3Extensions {
    public static readonly pb::Extension<global::Google.Protobuf.Reflection.FileOptions, ulong> FileOpt1 =
      new pb::Extension<global::Google.Protobuf.Reflection.FileOptions, ulong>(7736974, pb::FieldCodec.ForUInt64(61895792, 0UL));
    public static readonly pb::Extension<global::Google.Protobuf.Reflection.MessageOptions, int> MessageOpt1 =
      new pb::Extension<global::Google.Protobuf.Reflection.MessageOptions, int>(7739036, pb::FieldCodec.ForInt32(61912288, 0));
    public static readonly pb::Extension<global::Google.Protobuf.Reflection.FieldOptions, ulong> FieldOpt1 =
      new pb::Extension<global::Google.Protobuf.Reflection.FieldOptions, ulong>(7740936, pb::FieldCodec.ForFixed64(61927489, 0UL));
    public static readonly pb::Extension<global::Google.Protobuf.Reflection.OneofOptions, int> OneofOpt1 =
      new pb::Extension<global::Google.Protobuf.Reflection.OneofOptions, int>(7740111, pb::FieldCodec.ForInt32(61920888, 0));
    public static readonly pb::Extension<global::Google.Protobuf.Reflection.EnumOptions, int> EnumOpt1 =
      new pb::Extension<global::Google.Protobuf.Reflection.EnumOptions, int>(7753576, pb::FieldCodec.ForSFixed32(62028613, 0));
    public static readonly pb::Extension<global::Google.Protobuf.Reflection.EnumValueOptions, int> EnumValueOpt1 =
      new pb::Extension<global::Google.Protobuf.Reflection.EnumValueOptions, int>(1560678, pb::FieldCodec.ForInt32(12485424, 0));
    public static readonly pb::Extension<global::Google.Protobuf.Reflection.ServiceOptions, long> ServiceOpt1 =
      new pb::Extension<global::Google.Protobuf.Reflection.ServiceOptions, long>(7887650, pb::FieldCodec.ForSInt64(63101200, 0L));
    public static readonly pb::Extension<global::Google.Protobuf.Reflection.MethodOptions, global::UnitTest.Issues.TestProtos.MethodOpt1> MethodOpt1 =
      new pb::Extension<global::Google.Protobuf.Reflection.MethodOptions, global::UnitTest.Issues.TestProtos.MethodOpt1>(7890860, pb::FieldCodec.ForEnum(63126880, x => (int) x, x => (global::UnitTest.Issues.TestProtos.MethodOpt1) x, global::UnitTest.Issues.TestProtos.MethodOpt1.Unspecified));
    public static readonly pb::Extension<global::Google.Protobuf.Reflection.MessageOptions, bool> BoolOpt =
      new pb::Extension<global::Google.Protobuf.Reflection.MessageOptions, bool>(7706090, pb::FieldCodec.ForBool(61648720, false));
    public static readonly pb::Extension<global::Google.Protobuf.Reflection.MessageOptions, int> Int32Opt =
      new pb::Extension<global::Google.Protobuf.Reflection.MessageOptions, int>(7705709, pb::FieldCodec.ForInt32(61645672, 0));
    public static readonly pb::Extension<global::Google.Protobuf.Reflection.MessageOptions, long> Int64Opt =
      new pb::Extension<global::Google.Protobuf.Reflection.MessageOptions, long>(7705542, pb::FieldCodec.ForInt64(61644336, 0L));
    public static readonly pb::Extension<global::Google.Protobuf.Reflection.MessageOptions, uint> Uint32Opt =
      new pb::Extension<global::Google.Protobuf.Reflection.MessageOptions, uint>(7704880, pb::FieldCodec.ForUInt32(61639040, 0));
    public static readonly pb::Extension<global::Google.Protobuf.Reflection.MessageOptions, ulong> Uint64Opt =
      new pb::Extension<global::Google.Protobuf.Reflection.MessageOptions, ulong>(7702367, pb::FieldCodec.ForUInt64(61618936, 0UL));
    public static readonly pb::Extension<global::Google.Protobuf.Reflection.MessageOptions, int> Sint32Opt =
      new pb::Extension<global::Google.Protobuf.Reflection.MessageOptions, int>(7701568, pb::FieldCodec.ForSInt32(61612544, 0));
    public static readonly pb::Extension<global::Google.Protobuf.Reflection.MessageOptions, long> Sint64Opt =
      new pb::Extension<global::Google.Protobuf.Reflection.MessageOptions, long>(7700863, pb::FieldCodec.ForSInt64(61606904, 0L));
    public static readonly pb::Extension<global::Google.Protobuf.Reflection.MessageOptions, uint> Fixed32Opt =
      new pb::Extension<global::Google.Protobuf.Reflection.MessageOptions, uint>(7700307, pb::FieldCodec.ForFixed32(61602461, 0));
    public static readonly pb::Extension<global::Google.Protobuf.Reflection.MessageOptions, ulong> Fixed64Opt =
      new pb::Extension<global::Google.Protobuf.Reflection.MessageOptions, ulong>(7700194, pb::FieldCodec.ForFixed64(61601553, 0UL));
    public static readonly pb::Extension<global::Google.Protobuf.Reflection.MessageOptions, int> Sfixed32Opt =
      new pb::Extension<global::Google.Protobuf.Reflection.MessageOptions, int>(7698645, pb::FieldCodec.ForSFixed32(61589165, 0));
    public static readonly pb::Extension<global::Google.Protobuf.Reflection.MessageOptions, long> Sfixed64Opt =
      new pb::Extension<global::Google.Protobuf.Reflection.MessageOptions, long>(7685475, pb::FieldCodec.ForSFixed64(61483801, 0L));
    public static readonly pb::Extension<global::Google.Protobuf.Reflection.MessageOptions, float> FloatOpt =
      new pb::Extension<global::Google.Protobuf.Reflection.MessageOptions, float>(7675390, pb::FieldCodec.ForFloat(61403125, 0F));
    public static readonly pb::Extension<global::Google.Protobuf.Reflection.MessageOptions, double> DoubleOpt =
      new pb::Extension<global::Google.Protobuf.Reflection.MessageOptions, double>(7673293, pb::FieldCodec.ForDouble(61386345, 0D));
    public static readonly pb::Extension<global::Google.Protobuf.Reflection.MessageOptions, string> StringOpt =
      new pb::Extension<global::Google.Protobuf.Reflection.MessageOptions, string>(7673285, pb::FieldCodec.ForString(61386282, ""));
    public static readonly pb::Extension<global::Google.Protobuf.Reflection.MessageOptions, pb::ByteString> BytesOpt =
      new pb::Extension<global::Google.Protobuf.Reflection.MessageOptions, pb::ByteString>(7673238, pb::FieldCodec.ForBytes(61385906, pb::ByteString.Empty));
    public static readonly pb::Extension<global::Google.Protobuf.Reflection.MessageOptions, global::UnitTest.Issues.TestProtos.DummyMessageContainingEnum.Types.TestEnumType> EnumOpt =
      new pb::Extension<global::Google.Protobuf.Reflection.MessageOptions, global::UnitTest.Issues.TestProtos.DummyMessageContainingEnum.Types.TestEnumType>(7673233, pb::FieldCodec.ForEnum(61385864, x => (int) x, x => (global::UnitTest.Issues.TestProtos.DummyMessageContainingEnum.Types.TestEnumType) x, global::UnitTest.Issues.TestProtos.DummyMessageContainingEnum.Types.TestEnumType.TestOptionEnumUnspecified));
    public static readonly pb::Extension<global::Google.Protobuf.Reflection.MessageOptions, global::UnitTest.Issues.TestProtos.DummyMessageInvalidAsOptionType> MessageTypeOpt =
      new pb::Extension<global::Google.Protobuf.Reflection.MessageOptions, global::UnitTest.Issues.TestProtos.DummyMessageInvalidAsOptionType>(7665967, pb::FieldCodec.ForMessage(61327738, global::UnitTest.Issues.TestProtos.DummyMessageInvalidAsOptionType.Parser));
    public static readonly pb::Extension<global::Google.Protobuf.Reflection.MessageOptions, global::UnitTest.Issues.TestProtos.ComplexOptionType1> ComplexOpt1 =
      new pb::Extension<global::Google.Protobuf.Reflection.MessageOptions, global::UnitTest.Issues.TestProtos.ComplexOptionType1>(7646756, pb::FieldCodec.ForMessage(61174050, global::UnitTest.Issues.TestProtos.ComplexOptionType1.Parser));
    public static readonly pb::Extension<global::Google.Protobuf.Reflection.MessageOptions, global::UnitTest.Issues.TestProtos.ComplexOptionType2> ComplexOpt2 =
      new pb::Extension<global::Google.Protobuf.Reflection.MessageOptions, global::UnitTest.Issues.TestProtos.ComplexOptionType2>(7636949, pb::FieldCodec.ForMessage(61095594, global::UnitTest.Issues.TestProtos.ComplexOptionType2.Parser));
    public static readonly pb::Extension<global::Google.Protobuf.Reflection.MessageOptions, global::UnitTest.Issues.TestProtos.ComplexOptionType3> ComplexOpt3 =
      new pb::Extension<global::Google.Protobuf.Reflection.MessageOptions, global::UnitTest.Issues.TestProtos.ComplexOptionType3>(7636463, pb::FieldCodec.ForMessage(61091706, global::UnitTest.Issues.TestProtos.ComplexOptionType3.Parser));
    public static readonly pb::Extension<global::Google.Protobuf.Reflection.FileOptions, global::UnitTest.Issues.TestProtos.Aggregate> Fileopt =
      new pb::Extension<global::Google.Protobuf.Reflection.FileOptions, global::UnitTest.Issues.TestProtos.Aggregate>(15478479, pb::FieldCodec.ForMessage(123827834, global::UnitTest.Issues.TestProtos.Aggregate.Parser));
    public static readonly pb::Extension<global::Google.Protobuf.Reflection.MessageOptions, global::UnitTest.Issues.TestProtos.Aggregate> Msgopt =
      new pb::Extension<global::Google.Protobuf.Reflection.MessageOptions, global::UnitTest.Issues.TestProtos.Aggregate>(15480088, pb::FieldCodec.ForMessage(123840706, global::UnitTest.Issues.TestProtos.Aggregate.Parser));
    public static readonly pb::Extension<global::Google.Protobuf.Reflection.FieldOptions, global::UnitTest.Issues.TestProtos.Aggregate> Fieldopt =
      new pb::Extension<global::Google.Protobuf.Reflection.FieldOptions, global::UnitTest.Issues.TestProtos.Aggregate>(15481374, pb::FieldCodec.ForMessage(123850994, global::UnitTest.Issues.TestProtos.Aggregate.Parser));
    public static readonly pb::Extension<global::Google.Protobuf.Reflection.EnumOptions, global::UnitTest.Issues.TestProtos.Aggregate> Enumopt =
      new pb::Extension<global::Google.Protobuf.Reflection.EnumOptions, global::UnitTest.Issues.TestProtos.Aggregate>(15483218, pb::FieldCodec.ForMessage(123865746, global::UnitTest.Issues.TestProtos.Aggregate.Parser));
    public static readonly pb::Extension<global::Google.Protobuf.Reflection.EnumValueOptions, global::UnitTest.Issues.TestProtos.Aggregate> Enumvalopt =
      new pb::Extension<global::Google.Protobuf.Reflection.EnumValueOptions, global::UnitTest.Issues.TestProtos.Aggregate>(15486921, pb::FieldCodec.ForMessage(123895370, global::UnitTest.Issues.TestProtos.Aggregate.Parser));
    public static readonly pb::Extension<global::Google.Protobuf.Reflection.ServiceOptions, global::UnitTest.Issues.TestProtos.Aggregate> Serviceopt =
      new pb::Extension<global::Google.Protobuf.Reflection.ServiceOptions, global::UnitTest.Issues.TestProtos.Aggregate>(15497145, pb::FieldCodec.ForMessage(123977162, global::UnitTest.Issues.TestProtos.Aggregate.Parser));
    public static readonly pb::Extension<global::Google.Protobuf.Reflection.MethodOptions, global::UnitTest.Issues.TestProtos.Aggregate> Methodopt =
      new pb::Extension<global::Google.Protobuf.Reflection.MethodOptions, global::UnitTest.Issues.TestProtos.Aggregate>(15512713, pb::FieldCodec.ForMessage(124101706, global::UnitTest.Issues.TestProtos.Aggregate.Parser));
  }

  #region Enums
  public enum MethodOpt1 {
    [pbr::OriginalName("METHODOPT1_UNSPECIFIED")] Unspecified = 0,
    [pbr::OriginalName("METHODOPT1_VAL1")] Val1 = 1,
    [pbr::OriginalName("METHODOPT1_VAL2")] Val2 = 2,
  }

  public enum AggregateEnum {
    [pbr::OriginalName("UNSPECIFIED")] Unspecified = 0,
    [pbr::OriginalName("VALUE")] Value = 1,
  }

  #endregion

  #region Messages
  /// <summary>
  /// A test message with custom options at all possible locations (and also some
  /// regular options, to make sure they interact nicely).
  /// </summary>
  public sealed partial class TestMessageWithCustomOptions : pb::IMessage<TestMessageWithCustomOptions>, pb::IBufferMessage {
    private static readonly pb::MessageParser<TestMessageWithCustomOptions> _parser = new pb::MessageParser<TestMessageWithCustomOptions>(() => new TestMessageWithCustomOptions());
    private pb::UnknownFieldSet _unknownFields;
    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    public static pb::MessageParser<TestMessageWithCustomOptions> Parser { get { return _parser; } }

    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    public static pbr::MessageDescriptor Descriptor {
      get { return global::UnitTest.Issues.TestProtos.UnittestCustomOptionsProto3Reflection.Descriptor.MessageTypes[0]; }
    }

    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    pbr::MessageDescriptor pb::IMessage.Descriptor {
      get { return Descriptor; }
    }

    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    public TestMessageWithCustomOptions() {
      OnConstruction();
    }

    partial void OnConstruction();

    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    public TestMessageWithCustomOptions(TestMessageWithCustomOptions other) : this() {
      field1_ = other.field1_;
      switch (other.AnOneofCase) {
        case AnOneofOneofCase.OneofField:
          OneofField = other.OneofField;
          break;
      }

      _unknownFields = pb::UnknownFieldSet.Clone(other._unknownFields);
    }

    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    public TestMessageWithCustomOptions Clone() {
      return new TestMessageWithCustomOptions(this);
    }

    /// <summary>Field number for the "field1" field.</summary>
    public const int Field1FieldNumber = 1;
    private string field1_ = "";
    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    public string Field1 {
      get { return field1_; }
      set {
        field1_ = pb::ProtoPreconditions.CheckNotNull(value, "value");
      }
    }

    /// <summary>Field number for the "oneof_field" field.</summary>
    public const int OneofFieldFieldNumber = 2;
    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    public int OneofField {
      get { return anOneofCase_ == AnOneofOneofCase.OneofField ? (int) anOneof_ : 0; }
      set {
        anOneof_ = value;
        anOneofCase_ = AnOneofOneofCase.OneofField;
      }
    }

    private object anOneof_;
    /// <summary>Enum of possible cases for the "AnOneof" oneof.</summary>
    public enum AnOneofOneofCase {
      None = 0,
      OneofField = 2,
    }
    private AnOneofOneofCase anOneofCase_ = AnOneofOneofCase.None;
    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    public AnOneofOneofCase AnOneofCase {
      get { return anOneofCase_; }
    }

    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    public void ClearAnOneof() {
      anOneofCase_ = AnOneofOneofCase.None;
      anOneof_ = null;
    }

    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    public override bool Equals(object other) {
      return Equals(other as TestMessageWithCustomOptions);
    }

    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    public bool Equals(TestMessageWithCustomOptions other) {
      if (ReferenceEquals(other, null)) {
        return false;
      }
      if (ReferenceEquals(other, this)) {
        return true;
      }
      if (Field1 != other.Field1) return false;
      if (OneofField != other.OneofField) return false;
      if (AnOneofCase != other.AnOneofCase) return false;
      return Equals(_unknownFields, other._unknownFields);
    }

    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    public override int GetHashCode() {
      int hash = 1;
      if (Field1.Length != 0) hash ^= Field1.GetHashCode();
      if (anOneofCase_ == AnOneofOneofCase.OneofField) hash ^= OneofField.GetHashCode();
      hash ^= (int) anOneofCase_;
      if (_unknownFields != null) {
        hash ^= _unknownFields.GetHashCode();
      }
      return hash;
    }

    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    public override string ToString() {
      return pb::JsonFormatter.ToDiagnosticString(this);
    }

    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    public void WriteTo(pb::CodedOutputStream output) {
      if (Field1.Length != 0) {
        output.WriteRawTag(10);
        output.WriteString(Field1);
      }
      if (anOneofCase_ == AnOneofOneofCase.OneofField) {
        output.WriteRawTag(16);
        output.WriteInt32(OneofField);
      }
      if (_unknownFields != null) {
        _unknownFields.WriteTo(output);
      }
    }

    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    public int CalculateSize() {
      int size = 0;
      if (Field1.Length != 0) {
        size += 1 + pb::CodedOutputStream.ComputeStringSize(Field1);
      }
      if (anOneofCase_ == AnOneofOneofCase.OneofField) {
        size += 1 + pb::CodedOutputStream.ComputeInt32Size(OneofField);
      }
      if (_unknownFields != null) {
        size += _unknownFields.CalculateSize();
      }
      return size;
    }

    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    public void MergeFrom(TestMessageWithCustomOptions other) {
      if (other == null) {
        return;
      }
      if (other.Field1.Length != 0) {
        Field1 = other.Field1;
      }
      switch (other.AnOneofCase) {
        case AnOneofOneofCase.OneofField:
          OneofField = other.OneofField;
          break;
      }

      _unknownFields = pb::UnknownFieldSet.MergeFrom(_unknownFields, other._unknownFields);
    }

    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    public void MergeFrom(pb::CodedInputStream input) {
      input.ReadRawMessage(this);
    }

    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    void pb::IBufferMessage.InternalMergeFrom(ref pb::ParseContext input) {
      uint tag;
      while ((tag = input.ReadTag()) != 0) {
        switch(tag) {
          default:
            _unknownFields = pb::UnknownFieldSet.MergeFieldFrom(_unknownFields, ref input);
            break;
          case 10: {
            Field1 = input.ReadString();
            break;
          }
          case 16: {
            OneofField = input.ReadInt32();
            break;
          }
        }
      }
    }

    #region Nested types
    /// <summary>Container for nested types declared in the TestMessageWithCustomOptions message type.</summary>
    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    public static partial class Types {
      public enum AnEnum {
        [pbr::OriginalName("ANENUM_UNSPECIFIED")] Unspecified = 0,
        [pbr::OriginalName("ANENUM_VAL1")] Val1 = 1,
        [pbr::OriginalName("ANENUM_VAL2")] Val2 = 2,
      }

    }
    #endregion

  }

  /// <summary>
  /// A test RPC service with custom options at all possible locations (and also
  /// some regular options, to make sure they interact nicely).
  /// </summary>
  public sealed partial class CustomOptionFooRequest : pb::IMessage<CustomOptionFooRequest>, pb::IBufferMessage {
    private static readonly pb::MessageParser<CustomOptionFooRequest> _parser = new pb::MessageParser<CustomOptionFooRequest>(() => new CustomOptionFooRequest());
    private pb::UnknownFieldSet _unknownFields;
    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    public static pb::MessageParser<CustomOptionFooRequest> Parser { get { return _parser; } }

    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    public static pbr::MessageDescriptor Descriptor {
      get { return global::UnitTest.Issues.TestProtos.UnittestCustomOptionsProto3Reflection.Descriptor.MessageTypes[1]; }
    }

    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    pbr::MessageDescriptor pb::IMessage.Descriptor {
      get { return Descriptor; }
    }

    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    public CustomOptionFooRequest() {
      OnConstruction();
    }

    partial void OnConstruction();

    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    public CustomOptionFooRequest(CustomOptionFooRequest other) : this() {
      _unknownFields = pb::UnknownFieldSet.Clone(other._unknownFields);
    }

    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    public CustomOptionFooRequest Clone() {
      return new CustomOptionFooRequest(this);
    }

    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    public override bool Equals(object other) {
      return Equals(other as CustomOptionFooRequest);
    }

    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    public bool Equals(CustomOptionFooRequest other) {
      if (ReferenceEquals(other, null)) {
        return false;
      }
      if (ReferenceEquals(other, this)) {
        return true;
      }
      return Equals(_unknownFields, other._unknownFields);
    }

    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    public override int GetHashCode() {
      int hash = 1;
      if (_unknownFields != null) {
        hash ^= _unknownFields.GetHashCode();
      }
      return hash;
    }

    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    public override string ToString() {
      return pb::JsonFormatter.ToDiagnosticString(this);
    }

    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    public void WriteTo(pb::CodedOutputStream output) {
      if (_unknownFields != null) {
        _unknownFields.WriteTo(output);
      }
    }

    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    public int CalculateSize() {
      int size = 0;
      if (_unknownFields != null) {
        size += _unknownFields.CalculateSize();
      }
      return size;
    }

    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    public void MergeFrom(CustomOptionFooRequest other) {
      if (other == null) {
        return;
      }
      _unknownFields = pb::UnknownFieldSet.MergeFrom(_unknownFields, other._unknownFields);
    }

    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    public void MergeFrom(pb::CodedInputStream input) {
      input.ReadRawMessage(this);
    }

    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    void pb::IBufferMessage.InternalMergeFrom(ref pb::ParseContext input) {
      uint tag;
      while ((tag = input.ReadTag()) != 0) {
        switch(tag) {
          default:
            _unknownFields = pb::UnknownFieldSet.MergeFieldFrom(_unknownFields, ref input);
            break;
        }
      }
    }

  }

  public sealed partial class CustomOptionFooResponse : pb::IMessage<CustomOptionFooResponse>, pb::IBufferMessage {
    private static readonly pb::MessageParser<CustomOptionFooResponse> _parser = new pb::MessageParser<CustomOptionFooResponse>(() => new CustomOptionFooResponse());
    private pb::UnknownFieldSet _unknownFields;
    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    public static pb::MessageParser<CustomOptionFooResponse> Parser { get { return _parser; } }

    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    public static pbr::MessageDescriptor Descriptor {
      get { return global::UnitTest.Issues.TestProtos.UnittestCustomOptionsProto3Reflection.Descriptor.MessageTypes[2]; }
    }

    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    pbr::MessageDescriptor pb::IMessage.Descriptor {
      get { return Descriptor; }
    }

    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    public CustomOptionFooResponse() {
      OnConstruction();
    }

    partial void OnConstruction();

    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    public CustomOptionFooResponse(CustomOptionFooResponse other) : this() {
      _unknownFields = pb::UnknownFieldSet.Clone(other._unknownFields);
    }

    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    public CustomOptionFooResponse Clone() {
      return new CustomOptionFooResponse(this);
    }

    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    public override bool Equals(object other) {
      return Equals(other as CustomOptionFooResponse);
    }

    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    public bool Equals(CustomOptionFooResponse other) {
      if (ReferenceEquals(other, null)) {
        return false;
      }
      if (ReferenceEquals(other, this)) {
        return true;
      }
      return Equals(_unknownFields, other._unknownFields);
    }

    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    public override int GetHashCode() {
      int hash = 1;
      if (_unknownFields != null) {
        hash ^= _unknownFields.GetHashCode();
      }
      return hash;
    }

    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    public override string ToString() {
      return pb::JsonFormatter.ToDiagnosticString(this);
    }

    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    public void WriteTo(pb::CodedOutputStream output) {
      if (_unknownFields != null) {
        _unknownFields.WriteTo(output);
      }
    }

    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    public int CalculateSize() {
      int size = 0;
      if (_unknownFields != null) {
        size += _unknownFields.CalculateSize();
      }
      return size;
    }

    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    public void MergeFrom(CustomOptionFooResponse other) {
      if (other == null) {
        return;
      }
      _unknownFields = pb::UnknownFieldSet.MergeFrom(_unknownFields, other._unknownFields);
    }

    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    public void MergeFrom(pb::CodedInputStream input) {
      input.ReadRawMessage(this);
    }

    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    void pb::IBufferMessage.InternalMergeFrom(ref pb::ParseContext input) {
      uint tag;
      while ((tag = input.ReadTag()) != 0) {
        switch(tag) {
          default:
            _unknownFields = pb::UnknownFieldSet.MergeFieldFrom(_unknownFields, ref input);
            break;
        }
      }
    }

  }

  public sealed partial class CustomOptionFooClientMessage : pb::IMessage<CustomOptionFooClientMessage>, pb::IBufferMessage {
    private static readonly pb::MessageParser<CustomOptionFooClientMessage> _parser = new pb::MessageParser<CustomOptionFooClientMessage>(() => new CustomOptionFooClientMessage());
    private pb::UnknownFieldSet _unknownFields;
    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    public static pb::MessageParser<CustomOptionFooClientMessage> Parser { get { return _parser; } }

    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    public static pbr::MessageDescriptor Descriptor {
      get { return global::UnitTest.Issues.TestProtos.UnittestCustomOptionsProto3Reflection.Descriptor.MessageTypes[3]; }
    }

    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    pbr::MessageDescriptor pb::IMessage.Descriptor {
      get { return Descriptor; }
    }

    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    public CustomOptionFooClientMessage() {
      OnConstruction();
    }

    partial void OnConstruction();

    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    public CustomOptionFooClientMessage(CustomOptionFooClientMessage other) : this() {
      _unknownFields = pb::UnknownFieldSet.Clone(other._unknownFields);
    }

    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    public CustomOptionFooClientMessage Clone() {
      return new CustomOptionFooClientMessage(this);
    }

    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    public override bool Equals(object other) {
      return Equals(other as CustomOptionFooClientMessage);
    }

    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    public bool Equals(CustomOptionFooClientMessage other) {
      if (ReferenceEquals(other, null)) {
        return false;
      }
      if (ReferenceEquals(other, this)) {
        return true;
      }
      return Equals(_unknownFields, other._unknownFields);
    }

    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    public override int GetHashCode() {
      int hash = 1;
      if (_unknownFields != null) {
        hash ^= _unknownFields.GetHashCode();
      }
      return hash;
    }

    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    public override string ToString() {
      return pb::JsonFormatter.ToDiagnosticString(this);
    }

    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    public void WriteTo(pb::CodedOutputStream output) {
      if (_unknownFields != null) {
        _unknownFields.WriteTo(output);
      }
    }

    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    public int CalculateSize() {
      int size = 0;
      if (_unknownFields != null) {
        size += _unknownFields.CalculateSize();
      }
      return size;
    }

    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    public void MergeFrom(CustomOptionFooClientMessage other) {
      if (other == null) {
        return;
      }
      _unknownFields = pb::UnknownFieldSet.MergeFrom(_unknownFields, other._unknownFields);
    }

    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    public void MergeFrom(pb::CodedInputStream input) {
      input.ReadRawMessage(this);
    }

    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    void pb::IBufferMessage.InternalMergeFrom(ref pb::ParseContext input) {
      uint tag;
      while ((tag = input.ReadTag()) != 0) {
        switch(tag) {
          default:
            _unknownFields = pb::UnknownFieldSet.MergeFieldFrom(_unknownFields, ref input);
            break;
        }
      }
    }

  }

  public sealed partial class CustomOptionFooServerMessage : pb::IMessage<CustomOptionFooServerMessage>, pb::IBufferMessage {
    private static readonly pb::MessageParser<CustomOptionFooServerMessage> _parser = new pb::MessageParser<CustomOptionFooServerMessage>(() => new CustomOptionFooServerMessage());
    private pb::UnknownFieldSet _unknownFields;
    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    public static pb::MessageParser<CustomOptionFooServerMessage> Parser { get { return _parser; } }

    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    public static pbr::MessageDescriptor Descriptor {
      get { return global::UnitTest.Issues.TestProtos.UnittestCustomOptionsProto3Reflection.Descriptor.MessageTypes[4]; }
    }

    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    pbr::MessageDescriptor pb::IMessage.Descriptor {
      get { return Descriptor; }
    }

    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    public CustomOptionFooServerMessage() {
      OnConstruction();
    }

    partial void OnConstruction();

    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    public CustomOptionFooServerMessage(CustomOptionFooServerMessage other) : this() {
      _unknownFields = pb::UnknownFieldSet.Clone(other._unknownFields);
    }

    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    public CustomOptionFooServerMessage Clone() {
      return new CustomOptionFooServerMessage(this);
    }

    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    public override bool Equals(object other) {
      return Equals(other as CustomOptionFooServerMessage);
    }

    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    public bool Equals(CustomOptionFooServerMessage other) {
      if (ReferenceEquals(other, null)) {
        return false;
      }
      if (ReferenceEquals(other, this)) {
        return true;
      }
      return Equals(_unknownFields, other._unknownFields);
    }

    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    public override int GetHashCode() {
      int hash = 1;
      if (_unknownFields != null) {
        hash ^= _unknownFields.GetHashCode();
      }
      return hash;
    }

    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    public override string ToString() {
      return pb::JsonFormatter.ToDiagnosticString(this);
    }

    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    public void WriteTo(pb::CodedOutputStream output) {
      if (_unknownFields != null) {
        _unknownFields.WriteTo(output);
      }
    }

    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    public int CalculateSize() {
      int size = 0;
      if (_unknownFields != null) {
        size += _unknownFields.CalculateSize();
      }
      return size;
    }

    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    public void MergeFrom(CustomOptionFooServerMessage other) {
      if (other == null) {
        return;
      }
      _unknownFields = pb::UnknownFieldSet.MergeFrom(_unknownFields, other._unknownFields);
    }

    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    public void MergeFrom(pb::CodedInputStream input) {
      input.ReadRawMessage(this);
    }

    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    void pb::IBufferMessage.InternalMergeFrom(ref pb::ParseContext input) {
      uint tag;
      while ((tag = input.ReadTag()) != 0) {
        switch(tag) {
          default:
            _unknownFields = pb::UnknownFieldSet.MergeFieldFrom(_unknownFields, ref input);
            break;
        }
      }
    }

  }

  public sealed partial class DummyMessageContainingEnum : pb::IMessage<DummyMessageContainingEnum>, pb::IBufferMessage {
    private static readonly pb::MessageParser<DummyMessageContainingEnum> _parser = new pb::MessageParser<DummyMessageContainingEnum>(() => new DummyMessageContainingEnum());
    private pb::UnknownFieldSet _unknownFields;
    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    public static pb::MessageParser<DummyMessageContainingEnum> Parser { get { return _parser; } }

    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    public static pbr::MessageDescriptor Descriptor {
      get { return global::UnitTest.Issues.TestProtos.UnittestCustomOptionsProto3Reflection.Descriptor.MessageTypes[5]; }
    }

    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    pbr::MessageDescriptor pb::IMessage.Descriptor {
      get { return Descriptor; }
    }

    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    public DummyMessageContainingEnum() {
      OnConstruction();
    }

    partial void OnConstruction();

    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    public DummyMessageContainingEnum(DummyMessageContainingEnum other) : this() {
      _unknownFields = pb::UnknownFieldSet.Clone(other._unknownFields);
    }

    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    public DummyMessageContainingEnum Clone() {
      return new DummyMessageContainingEnum(this);
    }

    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    public override bool Equals(object other) {
      return Equals(other as DummyMessageContainingEnum);
    }

    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    public bool Equals(DummyMessageContainingEnum other) {
      if (ReferenceEquals(other, null)) {
        return false;
      }
      if (ReferenceEquals(other, this)) {
        return true;
      }
      return Equals(_unknownFields, other._unknownFields);
    }

    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    public override int GetHashCode() {
      int hash = 1;
      if (_unknownFields != null) {
        hash ^= _unknownFields.GetHashCode();
      }
      return hash;
    }

    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    public override string ToString() {
      return pb::JsonFormatter.ToDiagnosticString(this);
    }

    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    public void WriteTo(pb::CodedOutputStream output) {
      if (_unknownFields != null) {
        _unknownFields.WriteTo(output);
      }
    }

    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    public int CalculateSize() {
      int size = 0;
      if (_unknownFields != null) {
        size += _unknownFields.CalculateSize();
      }
      return size;
    }

    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    public void MergeFrom(DummyMessageContainingEnum other) {
      if (other == null) {
        return;
      }
      _unknownFields = pb::UnknownFieldSet.MergeFrom(_unknownFields, other._unknownFields);
    }

    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    public void MergeFrom(pb::CodedInputStream input) {
      input.ReadRawMessage(this);
    }

    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    void pb::IBufferMessage.InternalMergeFrom(ref pb::ParseContext input) {
      uint tag;
      while ((tag = input.ReadTag()) != 0) {
        switch(tag) {
          default:
            _unknownFields = pb::UnknownFieldSet.MergeFieldFrom(_unknownFields, ref input);
            break;
        }
      }
    }

    #region Nested types
    /// <summary>Container for nested types declared in the DummyMessageContainingEnum message type.</summary>
    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    public static partial class Types {
      public enum TestEnumType {
        [pbr::OriginalName("TEST_OPTION_ENUM_UNSPECIFIED")] TestOptionEnumUnspecified = 0,
        [pbr::OriginalName("TEST_OPTION_ENUM_TYPE1")] TestOptionEnumType1 = 22,
        [pbr::OriginalName("TEST_OPTION_ENUM_TYPE2")] TestOptionEnumType2 = -23,
      }

    }
    #endregion

  }

  public sealed partial class DummyMessageInvalidAsOptionType : pb::IMessage<DummyMessageInvalidAsOptionType>, pb::IBufferMessage {
    private static readonly pb::MessageParser<DummyMessageInvalidAsOptionType> _parser = new pb::MessageParser<DummyMessageInvalidAsOptionType>(() => new DummyMessageInvalidAsOptionType());
    private pb::UnknownFieldSet _unknownFields;
    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    public static pb::MessageParser<DummyMessageInvalidAsOptionType> Parser { get { return _parser; } }

    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    public static pbr::MessageDescriptor Descriptor {
      get { return global::UnitTest.Issues.TestProtos.UnittestCustomOptionsProto3Reflection.Descriptor.MessageTypes[6]; }
    }

    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    pbr::MessageDescriptor pb::IMessage.Descriptor {
      get { return Descriptor; }
    }

    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    public DummyMessageInvalidAsOptionType() {
      OnConstruction();
    }

    partial void OnConstruction();

    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    public DummyMessageInvalidAsOptionType(DummyMessageInvalidAsOptionType other) : this() {
      _unknownFields = pb::UnknownFieldSet.Clone(other._unknownFields);
    }

    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    public DummyMessageInvalidAsOptionType Clone() {
      return new DummyMessageInvalidAsOptionType(this);
    }

    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    public override bool Equals(object other) {
      return Equals(other as DummyMessageInvalidAsOptionType);
    }

    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    public bool Equals(DummyMessageInvalidAsOptionType other) {
      if (ReferenceEquals(other, null)) {
        return false;
      }
      if (ReferenceEquals(other, this)) {
        return true;
      }
      return Equals(_unknownFields, other._unknownFields);
    }

    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    public override int GetHashCode() {
      int hash = 1;
      if (_unknownFields != null) {
        hash ^= _unknownFields.GetHashCode();
      }
      return hash;
    }

    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    public override string ToString() {
      return pb::JsonFormatter.ToDiagnosticString(this);
    }

    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    public void WriteTo(pb::CodedOutputStream output) {
      if (_unknownFields != null) {
        _unknownFields.WriteTo(output);
      }
    }

    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    public int CalculateSize() {
      int size = 0;
      if (_unknownFields != null) {
        size += _unknownFields.CalculateSize();
      }
      return size;
    }

    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    public void MergeFrom(DummyMessageInvalidAsOptionType other) {
      if (other == null) {
        return;
      }
      _unknownFields = pb::UnknownFieldSet.MergeFrom(_unknownFields, other._unknownFields);
    }

    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    public void MergeFrom(pb::CodedInputStream input) {
      input.ReadRawMessage(this);
    }

    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    void pb::IBufferMessage.InternalMergeFrom(ref pb::ParseContext input) {
      uint tag;
      while ((tag = input.ReadTag()) != 0) {
        switch(tag) {
          default:
            _unknownFields = pb::UnknownFieldSet.MergeFieldFrom(_unknownFields, ref input);
            break;
        }
      }
    }

  }

  public sealed partial class CustomOptionMinIntegerValues : pb::IMessage<CustomOptionMinIntegerValues>, pb::IBufferMessage {
    private static readonly pb::MessageParser<CustomOptionMinIntegerValues> _parser = new pb::MessageParser<CustomOptionMinIntegerValues>(() => new CustomOptionMinIntegerValues());
    private pb::UnknownFieldSet _unknownFields;
    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    public static pb::MessageParser<CustomOptionMinIntegerValues> Parser { get { return _parser; } }

    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    public static pbr::MessageDescriptor Descriptor {
      get { return global::UnitTest.Issues.TestProtos.UnittestCustomOptionsProto3Reflection.Descriptor.MessageTypes[7]; }
    }

    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    pbr::MessageDescriptor pb::IMessage.Descriptor {
      get { return Descriptor; }
    }

    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    public CustomOptionMinIntegerValues() {
      OnConstruction();
    }

    partial void OnConstruction();

    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    public CustomOptionMinIntegerValues(CustomOptionMinIntegerValues other) : this() {
      _unknownFields = pb::UnknownFieldSet.Clone(other._unknownFields);
    }

    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    public CustomOptionMinIntegerValues Clone() {
      return new CustomOptionMinIntegerValues(this);
    }

    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    public override bool Equals(object other) {
      return Equals(other as CustomOptionMinIntegerValues);
    }

    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    public bool Equals(CustomOptionMinIntegerValues other) {
      if (ReferenceEquals(other, null)) {
        return false;
      }
      if (ReferenceEquals(other, this)) {
        return true;
      }
      return Equals(_unknownFields, other._unknownFields);
    }

    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    public override int GetHashCode() {
      int hash = 1;
      if (_unknownFields != null) {
        hash ^= _unknownFields.GetHashCode();
      }
      return hash;
    }

    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    public override string ToString() {
      return pb::JsonFormatter.ToDiagnosticString(this);
    }

    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    public void WriteTo(pb::CodedOutputStream output) {
      if (_unknownFields != null) {
        _unknownFields.WriteTo(output);
      }
    }

    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    public int CalculateSize() {
      int size = 0;
      if (_unknownFields != null) {
        size += _unknownFields.CalculateSize();
      }
      return size;
    }

    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    public void MergeFrom(CustomOptionMinIntegerValues other) {
      if (other == null) {
        return;
      }
      _unknownFields = pb::UnknownFieldSet.MergeFrom(_unknownFields, other._unknownFields);
    }

    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    public void MergeFrom(pb::CodedInputStream input) {
      input.ReadRawMessage(this);
    }

    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    void pb::IBufferMessage.InternalMergeFrom(ref pb::ParseContext input) {
      uint tag;
      while ((tag = input.ReadTag()) != 0) {
        switch(tag) {
          default:
            _unknownFields = pb::UnknownFieldSet.MergeFieldFrom(_unknownFields, ref input);
            break;
        }
      }
    }

  }

  public sealed partial class CustomOptionMaxIntegerValues : pb::IMessage<CustomOptionMaxIntegerValues>, pb::IBufferMessage {
    private static readonly pb::MessageParser<CustomOptionMaxIntegerValues> _parser = new pb::MessageParser<CustomOptionMaxIntegerValues>(() => new CustomOptionMaxIntegerValues());
    private pb::UnknownFieldSet _unknownFields;
    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    public static pb::MessageParser<CustomOptionMaxIntegerValues> Parser { get { return _parser; } }

    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    public static pbr::MessageDescriptor Descriptor {
      get { return global::UnitTest.Issues.TestProtos.UnittestCustomOptionsProto3Reflection.Descriptor.MessageTypes[8]; }
    }

    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    pbr::MessageDescriptor pb::IMessage.Descriptor {
      get { return Descriptor; }
    }

    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    public CustomOptionMaxIntegerValues() {
      OnConstruction();
    }

    partial void OnConstruction();

    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    public CustomOptionMaxIntegerValues(CustomOptionMaxIntegerValues other) : this() {
      _unknownFields = pb::UnknownFieldSet.Clone(other._unknownFields);
    }

    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    public CustomOptionMaxIntegerValues Clone() {
      return new CustomOptionMaxIntegerValues(this);
    }

    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    public override bool Equals(object other) {
      return Equals(other as CustomOptionMaxIntegerValues);
    }

    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    public bool Equals(CustomOptionMaxIntegerValues other) {
      if (ReferenceEquals(other, null)) {
        return false;
      }
      if (ReferenceEquals(other, this)) {
        return true;
      }
      return Equals(_unknownFields, other._unknownFields);
    }

    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    public override int GetHashCode() {
      int hash = 1;
      if (_unknownFields != null) {
        hash ^= _unknownFields.GetHashCode();
      }
      return hash;
    }

    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    public override string ToString() {
      return pb::JsonFormatter.ToDiagnosticString(this);
    }

    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    public void WriteTo(pb::CodedOutputStream output) {
      if (_unknownFields != null) {
        _unknownFields.WriteTo(output);
      }
    }

    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    public int CalculateSize() {
      int size = 0;
      if (_unknownFields != null) {
        size += _unknownFields.CalculateSize();
      }
      return size;
    }

    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    public void MergeFrom(CustomOptionMaxIntegerValues other) {
      if (other == null) {
        return;
      }
      _unknownFields = pb::UnknownFieldSet.MergeFrom(_unknownFields, other._unknownFields);
    }

    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    public void MergeFrom(pb::CodedInputStream input) {
      input.ReadRawMessage(this);
    }

    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    void pb::IBufferMessage.InternalMergeFrom(ref pb::ParseContext input) {
      uint tag;
      while ((tag = input.ReadTag()) != 0) {
        switch(tag) {
          default:
            _unknownFields = pb::UnknownFieldSet.MergeFieldFrom(_unknownFields, ref input);
            break;
        }
      }
    }

  }

  public sealed partial class CustomOptionOtherValues : pb::IMessage<CustomOptionOtherValues>, pb::IBufferMessage {
    private static readonly pb::MessageParser<CustomOptionOtherValues> _parser = new pb::MessageParser<CustomOptionOtherValues>(() => new CustomOptionOtherValues());
    private pb::UnknownFieldSet _unknownFields;
    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    public static pb::MessageParser<CustomOptionOtherValues> Parser { get { return _parser; } }

    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    public static pbr::MessageDescriptor Descriptor {
      get { return global::UnitTest.Issues.TestProtos.UnittestCustomOptionsProto3Reflection.Descriptor.MessageTypes[9]; }
    }

    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    pbr::MessageDescriptor pb::IMessage.Descriptor {
      get { return Descriptor; }
    }

    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    public CustomOptionOtherValues() {
      OnConstruction();
    }

    partial void OnConstruction();

    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    public CustomOptionOtherValues(CustomOptionOtherValues other) : this() {
      _unknownFields = pb::UnknownFieldSet.Clone(other._unknownFields);
    }

    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    public CustomOptionOtherValues Clone() {
      return new CustomOptionOtherValues(this);
    }

    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    public override bool Equals(object other) {
      return Equals(other as CustomOptionOtherValues);
    }

    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    public bool Equals(CustomOptionOtherValues other) {
      if (ReferenceEquals(other, null)) {
        return false;
      }
      if (ReferenceEquals(other, this)) {
        return true;
      }
      return Equals(_unknownFields, other._unknownFields);
    }

    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    public override int GetHashCode() {
      int hash = 1;
      if (_unknownFields != null) {
        hash ^= _unknownFields.GetHashCode();
      }
      return hash;
    }

    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    public override string ToString() {
      return pb::JsonFormatter.ToDiagnosticString(this);
    }

    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    public void WriteTo(pb::CodedOutputStream output) {
      if (_unknownFields != null) {
        _unknownFields.WriteTo(output);
      }
    }

    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    public int CalculateSize() {
      int size = 0;
      if (_unknownFields != null) {
        size += _unknownFields.CalculateSize();
      }
      return size;
    }

    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    public void MergeFrom(CustomOptionOtherValues other) {
      if (other == null) {
        return;
      }
      _unknownFields = pb::UnknownFieldSet.MergeFrom(_unknownFields, other._unknownFields);
    }

    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    public void MergeFrom(pb::CodedInputStream input) {
      input.ReadRawMessage(this);
    }

    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    void pb::IBufferMessage.InternalMergeFrom(ref pb::ParseContext input) {
      uint tag;
      while ((tag = input.ReadTag()) != 0) {
        switch(tag) {
          default:
            _unknownFields = pb::UnknownFieldSet.MergeFieldFrom(_unknownFields, ref input);
            break;
        }
      }
    }

  }

  public sealed partial class SettingRealsFromPositiveInts : pb::IMessage<SettingRealsFromPositiveInts>, pb::IBufferMessage {
    private static readonly pb::MessageParser<SettingRealsFromPositiveInts> _parser = new pb::MessageParser<SettingRealsFromPositiveInts>(() => new SettingRealsFromPositiveInts());
    private pb::UnknownFieldSet _unknownFields;
    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    public static pb::MessageParser<SettingRealsFromPositiveInts> Parser { get { return _parser; } }

    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    public static pbr::MessageDescriptor Descriptor {
      get { return global::UnitTest.Issues.TestProtos.UnittestCustomOptionsProto3Reflection.Descriptor.MessageTypes[10]; }
    }

    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    pbr::MessageDescriptor pb::IMessage.Descriptor {
      get { return Descriptor; }
    }

    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    public SettingRealsFromPositiveInts() {
      OnConstruction();
    }

    partial void OnConstruction();

    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    public SettingRealsFromPositiveInts(SettingRealsFromPositiveInts other) : this() {
      _unknownFields = pb::UnknownFieldSet.Clone(other._unknownFields);
    }

    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    public SettingRealsFromPositiveInts Clone() {
      return new SettingRealsFromPositiveInts(this);
    }

    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    public override bool Equals(object other) {
      return Equals(other as SettingRealsFromPositiveInts);
    }

    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    public bool Equals(SettingRealsFromPositiveInts other) {
      if (ReferenceEquals(other, null)) {
        return false;
      }
      if (ReferenceEquals(other, this)) {
        return true;
      }
      return Equals(_unknownFields, other._unknownFields);
    }

    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    public override int GetHashCode() {
      int hash = 1;
      if (_unknownFields != null) {
        hash ^= _unknownFields.GetHashCode();
      }
      return hash;
    }

    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    public override string ToString() {
      return pb::JsonFormatter.ToDiagnosticString(this);
    }

    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    public void WriteTo(pb::CodedOutputStream output) {
      if (_unknownFields != null) {
        _unknownFields.WriteTo(output);
      }
    }

    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    public int CalculateSize() {
      int size = 0;
      if (_unknownFields != null) {
        size += _unknownFields.CalculateSize();
      }
      return size;
    }

    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    public void MergeFrom(SettingRealsFromPositiveInts other) {
      if (other == null) {
        return;
      }
      _unknownFields = pb::UnknownFieldSet.MergeFrom(_unknownFields, other._unknownFields);
    }

    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    public void MergeFrom(pb::CodedInputStream input) {
      input.ReadRawMessage(this);
    }

    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    void pb::IBufferMessage.InternalMergeFrom(ref pb::ParseContext input) {
      uint tag;
      while ((tag = input.ReadTag()) != 0) {
        switch(tag) {
          default:
            _unknownFields = pb::UnknownFieldSet.MergeFieldFrom(_unknownFields, ref input);
            break;
        }
      }
    }

  }

  public sealed partial class SettingRealsFromNegativeInts : pb::IMessage<SettingRealsFromNegativeInts>, pb::IBufferMessage {
    private static readonly pb::MessageParser<SettingRealsFromNegativeInts> _parser = new pb::MessageParser<SettingRealsFromNegativeInts>(() => new SettingRealsFromNegativeInts());
    private pb::UnknownFieldSet _unknownFields;
    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    public static pb::MessageParser<SettingRealsFromNegativeInts> Parser { get { return _parser; } }

    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    public static pbr::MessageDescriptor Descriptor {
      get { return global::UnitTest.Issues.TestProtos.UnittestCustomOptionsProto3Reflection.Descriptor.MessageTypes[11]; }
    }

    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    pbr::MessageDescriptor pb::IMessage.Descriptor {
      get { return Descriptor; }
    }

    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    public SettingRealsFromNegativeInts() {
      OnConstruction();
    }

    partial void OnConstruction();

    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    public SettingRealsFromNegativeInts(SettingRealsFromNegativeInts other) : this() {
      _unknownFields = pb::UnknownFieldSet.Clone(other._unknownFields);
    }

    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    public SettingRealsFromNegativeInts Clone() {
      return new SettingRealsFromNegativeInts(this);
    }

    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    public override bool Equals(object other) {
      return Equals(other as SettingRealsFromNegativeInts);
    }

    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    public bool Equals(SettingRealsFromNegativeInts other) {
      if (ReferenceEquals(other, null)) {
        return false;
      }
      if (ReferenceEquals(other, this)) {
        return true;
      }
      return Equals(_unknownFields, other._unknownFields);
    }

    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    public override int GetHashCode() {
      int hash = 1;
      if (_unknownFields != null) {
        hash ^= _unknownFields.GetHashCode();
      }
      return hash;
    }

    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    public override string ToString() {
      return pb::JsonFormatter.ToDiagnosticString(this);
    }

    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    public void WriteTo(pb::CodedOutputStream output) {
      if (_unknownFields != null) {
        _unknownFields.WriteTo(output);
      }
    }

    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    public int CalculateSize() {
      int size = 0;
      if (_unknownFields != null) {
        size += _unknownFields.CalculateSize();
      }
      return size;
    }

    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    public void MergeFrom(SettingRealsFromNegativeInts other) {
      if (other == null) {
        return;
      }
      _unknownFields = pb::UnknownFieldSet.MergeFrom(_unknownFields, other._unknownFields);
    }

    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    public void MergeFrom(pb::CodedInputStream input) {
      input.ReadRawMessage(this);
    }

    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    void pb::IBufferMessage.InternalMergeFrom(ref pb::ParseContext input) {
      uint tag;
      while ((tag = input.ReadTag()) != 0) {
        switch(tag) {
          default:
            _unknownFields = pb::UnknownFieldSet.MergeFieldFrom(_unknownFields, ref input);
            break;
        }
      }
    }

  }

  public sealed partial class ComplexOptionType1 : pb::IMessage<ComplexOptionType1>, pb::IBufferMessage {
    private static readonly pb::MessageParser<ComplexOptionType1> _parser = new pb::MessageParser<ComplexOptionType1>(() => new ComplexOptionType1());
    private pb::UnknownFieldSet _unknownFields;
    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    public static pb::MessageParser<ComplexOptionType1> Parser { get { return _parser; } }

    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    public static pbr::MessageDescriptor Descriptor {
      get { return global::UnitTest.Issues.TestProtos.UnittestCustomOptionsProto3Reflection.Descriptor.MessageTypes[12]; }
    }

    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    pbr::MessageDescriptor pb::IMessage.Descriptor {
      get { return Descriptor; }
    }

    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    public ComplexOptionType1() {
      OnConstruction();
    }

    partial void OnConstruction();

    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    public ComplexOptionType1(ComplexOptionType1 other) : this() {
      foo_ = other.foo_;
      foo2_ = other.foo2_;
      foo3_ = other.foo3_;
      foo4_ = other.foo4_.Clone();
      _unknownFields = pb::UnknownFieldSet.Clone(other._unknownFields);
    }

    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    public ComplexOptionType1 Clone() {
      return new ComplexOptionType1(this);
    }

    /// <summary>Field number for the "foo" field.</summary>
    public const int FooFieldNumber = 1;
    private int foo_;
    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    public int Foo {
      get { return foo_; }
      set {
        foo_ = value;
      }
    }

    /// <summary>Field number for the "foo2" field.</summary>
    public const int Foo2FieldNumber = 2;
    private int foo2_;
    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    public int Foo2 {
      get { return foo2_; }
      set {
        foo2_ = value;
      }
    }

    /// <summary>Field number for the "foo3" field.</summary>
    public const int Foo3FieldNumber = 3;
    private int foo3_;
    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    public int Foo3 {
      get { return foo3_; }
      set {
        foo3_ = value;
      }
    }

    /// <summary>Field number for the "foo4" field.</summary>
    public const int Foo4FieldNumber = 4;
    private static readonly pb::FieldCodec<int> _repeated_foo4_codec
        = pb::FieldCodec.ForInt32(34);
    private readonly pbc::RepeatedField<int> foo4_ = new pbc::RepeatedField<int>();
    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    public pbc::RepeatedField<int> Foo4 {
      get { return foo4_; }
    }

    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    public override bool Equals(object other) {
      return Equals(other as ComplexOptionType1);
    }

    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    public bool Equals(ComplexOptionType1 other) {
      if (ReferenceEquals(other, null)) {
        return false;
      }
      if (ReferenceEquals(other, this)) {
        return true;
      }
      if (Foo != other.Foo) return false;
      if (Foo2 != other.Foo2) return false;
      if (Foo3 != other.Foo3) return false;
      if(!foo4_.Equals(other.foo4_)) return false;
      return Equals(_unknownFields, other._unknownFields);
    }

    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    public override int GetHashCode() {
      int hash = 1;
      if (Foo != 0) hash ^= Foo.GetHashCode();
      if (Foo2 != 0) hash ^= Foo2.GetHashCode();
      if (Foo3 != 0) hash ^= Foo3.GetHashCode();
      hash ^= foo4_.GetHashCode();
      if (_unknownFields != null) {
        hash ^= _unknownFields.GetHashCode();
      }
      return hash;
    }

    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    public override string ToString() {
      return pb::JsonFormatter.ToDiagnosticString(this);
    }

    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    public void WriteTo(pb::CodedOutputStream output) {
      if (Foo != 0) {
        output.WriteRawTag(8);
        output.WriteInt32(Foo);
      }
      if (Foo2 != 0) {
        output.WriteRawTag(16);
        output.WriteInt32(Foo2);
      }
      if (Foo3 != 0) {
        output.WriteRawTag(24);
        output.WriteInt32(Foo3);
      }
      foo4_.WriteTo(output, _repeated_foo4_codec);
      if (_unknownFields != null) {
        _unknownFields.WriteTo(output);
      }
    }

    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    public int CalculateSize() {
      int size = 0;
      if (Foo != 0) {
        size += 1 + pb::CodedOutputStream.ComputeInt32Size(Foo);
      }
      if (Foo2 != 0) {
        size += 1 + pb::CodedOutputStream.ComputeInt32Size(Foo2);
      }
      if (Foo3 != 0) {
        size += 1 + pb::CodedOutputStream.ComputeInt32Size(Foo3);
      }
      size += foo4_.CalculateSize(_repeated_foo4_codec);
      if (_unknownFields != null) {
        size += _unknownFields.CalculateSize();
      }
      return size;
    }

    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    public void MergeFrom(ComplexOptionType1 other) {
      if (other == null) {
        return;
      }
      if (other.Foo != 0) {
        Foo = other.Foo;
      }
      if (other.Foo2 != 0) {
        Foo2 = other.Foo2;
      }
      if (other.Foo3 != 0) {
        Foo3 = other.Foo3;
      }
      foo4_.Add(other.foo4_);
      _unknownFields = pb::UnknownFieldSet.MergeFrom(_unknownFields, other._unknownFields);
    }

    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    public void MergeFrom(pb::CodedInputStream input) {
      input.ReadRawMessage(this);
    }

    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    void pb::IBufferMessage.InternalMergeFrom(ref pb::ParseContext input) {
      uint tag;
      while ((tag = input.ReadTag()) != 0) {
        switch(tag) {
          default:
            _unknownFields = pb::UnknownFieldSet.MergeFieldFrom(_unknownFields, ref input);
            break;
          case 8: {
            Foo = input.ReadInt32();
            break;
          }
          case 16: {
            Foo2 = input.ReadInt32();
            break;
          }
          case 24: {
            Foo3 = input.ReadInt32();
            break;
          }
          case 34:
          case 32: {
            foo4_.AddEntriesFrom(ref input, _repeated_foo4_codec);
            break;
          }
        }
      }
    }

  }

  public sealed partial class ComplexOptionType2 : pb::IMessage<ComplexOptionType2>, pb::IBufferMessage {
    private static readonly pb::MessageParser<ComplexOptionType2> _parser = new pb::MessageParser<ComplexOptionType2>(() => new ComplexOptionType2());
    private pb::UnknownFieldSet _unknownFields;
    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    public static pb::MessageParser<ComplexOptionType2> Parser { get { return _parser; } }

    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    public static pbr::MessageDescriptor Descriptor {
      get { return global::UnitTest.Issues.TestProtos.UnittestCustomOptionsProto3Reflection.Descriptor.MessageTypes[13]; }
    }

    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    pbr::MessageDescriptor pb::IMessage.Descriptor {
      get { return Descriptor; }
    }

    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    public ComplexOptionType2() {
      OnConstruction();
    }

    partial void OnConstruction();

    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    public ComplexOptionType2(ComplexOptionType2 other) : this() {
      bar_ = other.bar_ != null ? other.bar_.Clone() : null;
      baz_ = other.baz_;
      fred_ = other.fred_ != null ? other.fred_.Clone() : null;
      barney_ = other.barney_.Clone();
      _unknownFields = pb::UnknownFieldSet.Clone(other._unknownFields);
    }

    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    public ComplexOptionType2 Clone() {
      return new ComplexOptionType2(this);
    }

    /// <summary>Field number for the "bar" field.</summary>
    public const int BarFieldNumber = 1;
    private global::UnitTest.Issues.TestProtos.ComplexOptionType1 bar_;
    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    public global::UnitTest.Issues.TestProtos.ComplexOptionType1 Bar {
      get { return bar_; }
      set {
        bar_ = value;
      }
    }

    /// <summary>Field number for the "baz" field.</summary>
    public const int BazFieldNumber = 2;
    private int baz_;
    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    public int Baz {
      get { return baz_; }
      set {
        baz_ = value;
      }
    }

    /// <summary>Field number for the "fred" field.</summary>
    public const int FredFieldNumber = 3;
    private global::UnitTest.Issues.TestProtos.ComplexOptionType2.Types.ComplexOptionType4 fred_;
    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    public global::UnitTest.Issues.TestProtos.ComplexOptionType2.Types.ComplexOptionType4 Fred {
      get { return fred_; }
      set {
        fred_ = value;
      }
    }

    /// <summary>Field number for the "barney" field.</summary>
    public const int BarneyFieldNumber = 4;
    private static readonly pb::FieldCodec<global::UnitTest.Issues.TestProtos.ComplexOptionType2.Types.ComplexOptionType4> _repeated_barney_codec
        = pb::FieldCodec.ForMessage(34, global::UnitTest.Issues.TestProtos.ComplexOptionType2.Types.ComplexOptionType4.Parser);
    private readonly pbc::RepeatedField<global::UnitTest.Issues.TestProtos.ComplexOptionType2.Types.ComplexOptionType4> barney_ = new pbc::RepeatedField<global::UnitTest.Issues.TestProtos.ComplexOptionType2.Types.ComplexOptionType4>();
    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    public pbc::RepeatedField<global::UnitTest.Issues.TestProtos.ComplexOptionType2.Types.ComplexOptionType4> Barney {
      get { return barney_; }
    }

    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    public override bool Equals(object other) {
      return Equals(other as ComplexOptionType2);
    }

    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    public bool Equals(ComplexOptionType2 other) {
      if (ReferenceEquals(other, null)) {
        return false;
      }
      if (ReferenceEquals(other, this)) {
        return true;
      }
      if (!object.Equals(Bar, other.Bar)) return false;
      if (Baz != other.Baz) return false;
      if (!object.Equals(Fred, other.Fred)) return false;
      if(!barney_.Equals(other.barney_)) return false;
      return Equals(_unknownFields, other._unknownFields);
    }

    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    public override int GetHashCode() {
      int hash = 1;
      if (bar_ != null) hash ^= Bar.GetHashCode();
      if (Baz != 0) hash ^= Baz.GetHashCode();
      if (fred_ != null) hash ^= Fred.GetHashCode();
      hash ^= barney_.GetHashCode();
      if (_unknownFields != null) {
        hash ^= _unknownFields.GetHashCode();
      }
      return hash;
    }

    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    public override string ToString() {
      return pb::JsonFormatter.ToDiagnosticString(this);
    }

    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    public void WriteTo(pb::CodedOutputStream output) {
      if (bar_ != null) {
        output.WriteRawTag(10);
        output.WriteMessage(Bar);
      }
      if (Baz != 0) {
        output.WriteRawTag(16);
        output.WriteInt32(Baz);
      }
      if (fred_ != null) {
        output.WriteRawTag(26);
        output.WriteMessage(Fred);
      }
      barney_.WriteTo(output, _repeated_barney_codec);
      if (_unknownFields != null) {
        _unknownFields.WriteTo(output);
      }
    }

    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    public int CalculateSize() {
      int size = 0;
      if (bar_ != null) {
        size += 1 + pb::CodedOutputStream.ComputeMessageSize(Bar);
      }
      if (Baz != 0) {
        size += 1 + pb::CodedOutputStream.ComputeInt32Size(Baz);
      }
      if (fred_ != null) {
        size += 1 + pb::CodedOutputStream.ComputeMessageSize(Fred);
      }
      size += barney_.CalculateSize(_repeated_barney_codec);
      if (_unknownFields != null) {
        size += _unknownFields.CalculateSize();
      }
      return size;
    }

    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    public void MergeFrom(ComplexOptionType2 other) {
      if (other == null) {
        return;
      }
      if (other.bar_ != null) {
        if (bar_ == null) {
          Bar = new global::UnitTest.Issues.TestProtos.ComplexOptionType1();
        }
        Bar.MergeFrom(other.Bar);
      }
      if (other.Baz != 0) {
        Baz = other.Baz;
      }
      if (other.fred_ != null) {
        if (fred_ == null) {
          Fred = new global::UnitTest.Issues.TestProtos.ComplexOptionType2.Types.ComplexOptionType4();
        }
        Fred.MergeFrom(other.Fred);
      }
      barney_.Add(other.barney_);
      _unknownFields = pb::UnknownFieldSet.MergeFrom(_unknownFields, other._unknownFields);
    }

    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    public void MergeFrom(pb::CodedInputStream input) {
      input.ReadRawMessage(this);
    }

    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    void pb::IBufferMessage.InternalMergeFrom(ref pb::ParseContext input) {
      uint tag;
      while ((tag = input.ReadTag()) != 0) {
        switch(tag) {
          default:
            _unknownFields = pb::UnknownFieldSet.MergeFieldFrom(_unknownFields, ref input);
            break;
          case 10: {
            if (bar_ == null) {
              Bar = new global::UnitTest.Issues.TestProtos.ComplexOptionType1();
            }
            input.ReadMessage(Bar);
            break;
          }
          case 16: {
            Baz = input.ReadInt32();
            break;
          }
          case 26: {
            if (fred_ == null) {
              Fred = new global::UnitTest.Issues.TestProtos.ComplexOptionType2.Types.ComplexOptionType4();
            }
            input.ReadMessage(Fred);
            break;
          }
          case 34: {
            barney_.AddEntriesFrom(ref input, _repeated_barney_codec);
            break;
          }
        }
      }
    }

    #region Nested types
    /// <summary>Container for nested types declared in the ComplexOptionType2 message type.</summary>
    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    public static partial class Types {
      public sealed partial class ComplexOptionType4 : pb::IMessage<ComplexOptionType4>, pb::IBufferMessage {
        private static readonly pb::MessageParser<ComplexOptionType4> _parser = new pb::MessageParser<ComplexOptionType4>(() => new ComplexOptionType4());
        private pb::UnknownFieldSet _unknownFields;
        [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
        public static pb::MessageParser<ComplexOptionType4> Parser { get { return _parser; } }

        [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
        public static pbr::MessageDescriptor Descriptor {
          get { return global::UnitTest.Issues.TestProtos.ComplexOptionType2.Descriptor.NestedTypes[0]; }
        }

        [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
        pbr::MessageDescriptor pb::IMessage.Descriptor {
          get { return Descriptor; }
        }

        [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
        public ComplexOptionType4() {
          OnConstruction();
        }

        partial void OnConstruction();

        [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
        public ComplexOptionType4(ComplexOptionType4 other) : this() {
          waldo_ = other.waldo_;
          _unknownFields = pb::UnknownFieldSet.Clone(other._unknownFields);
        }

        [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
        public ComplexOptionType4 Clone() {
          return new ComplexOptionType4(this);
        }

        /// <summary>Field number for the "waldo" field.</summary>
        public const int WaldoFieldNumber = 1;
        private int waldo_;
        [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
        public int Waldo {
          get { return waldo_; }
          set {
            waldo_ = value;
          }
        }

        [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
        public override bool Equals(object other) {
          return Equals(other as ComplexOptionType4);
        }

        [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
        public bool Equals(ComplexOptionType4 other) {
          if (ReferenceEquals(other, null)) {
            return false;
          }
          if (ReferenceEquals(other, this)) {
            return true;
          }
          if (Waldo != other.Waldo) return false;
          return Equals(_unknownFields, other._unknownFields);
        }

        [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
        public override int GetHashCode() {
          int hash = 1;
          if (Waldo != 0) hash ^= Waldo.GetHashCode();
          if (_unknownFields != null) {
            hash ^= _unknownFields.GetHashCode();
          }
          return hash;
        }

        [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
        public override string ToString() {
          return pb::JsonFormatter.ToDiagnosticString(this);
        }

        [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
        public void WriteTo(pb::CodedOutputStream output) {
          if (Waldo != 0) {
            output.WriteRawTag(8);
            output.WriteInt32(Waldo);
          }
          if (_unknownFields != null) {
            _unknownFields.WriteTo(output);
          }
        }

        [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
        public int CalculateSize() {
          int size = 0;
          if (Waldo != 0) {
            size += 1 + pb::CodedOutputStream.ComputeInt32Size(Waldo);
          }
          if (_unknownFields != null) {
            size += _unknownFields.CalculateSize();
          }
          return size;
        }

        [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
        public void MergeFrom(ComplexOptionType4 other) {
          if (other == null) {
            return;
          }
          if (other.Waldo != 0) {
            Waldo = other.Waldo;
          }
          _unknownFields = pb::UnknownFieldSet.MergeFrom(_unknownFields, other._unknownFields);
        }

        [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
        public void MergeFrom(pb::CodedInputStream input) {
          input.ReadRawMessage(this);
        }

        [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
        void pb::IBufferMessage.InternalMergeFrom(ref pb::ParseContext input) {
          uint tag;
          while ((tag = input.ReadTag()) != 0) {
            switch(tag) {
              default:
                _unknownFields = pb::UnknownFieldSet.MergeFieldFrom(_unknownFields, ref input);
                break;
              case 8: {
                Waldo = input.ReadInt32();
                break;
              }
            }
          }
        }

        #region Extensions
        /// <summary>Container for extensions for other messages declared in the ComplexOptionType4 message type.</summary>
        [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
        public static partial class Extensions {
          public static readonly pb::Extension<global::Google.Protobuf.Reflection.MessageOptions, global::UnitTest.Issues.TestProtos.ComplexOptionType2.Types.ComplexOptionType4> ComplexOpt4 =
            new pb::Extension<global::Google.Protobuf.Reflection.MessageOptions, global::UnitTest.Issues.TestProtos.ComplexOptionType2.Types.ComplexOptionType4>(7633546, pb::FieldCodec.ForMessage(61068370, global::UnitTest.Issues.TestProtos.ComplexOptionType2.Types.ComplexOptionType4.Parser));
        }
        #endregion

      }

    }
    #endregion

  }

  public sealed partial class ComplexOptionType3 : pb::IMessage<ComplexOptionType3>, pb::IBufferMessage {
    private static readonly pb::MessageParser<ComplexOptionType3> _parser = new pb::MessageParser<ComplexOptionType3>(() => new ComplexOptionType3());
    private pb::UnknownFieldSet _unknownFields;
    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    public static pb::MessageParser<ComplexOptionType3> Parser { get { return _parser; } }

    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    public static pbr::MessageDescriptor Descriptor {
      get { return global::UnitTest.Issues.TestProtos.UnittestCustomOptionsProto3Reflection.Descriptor.MessageTypes[14]; }
    }

    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    pbr::MessageDescriptor pb::IMessage.Descriptor {
      get { return Descriptor; }
    }

    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    public ComplexOptionType3() {
      OnConstruction();
    }

    partial void OnConstruction();

    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    public ComplexOptionType3(ComplexOptionType3 other) : this() {
      qux_ = other.qux_;
      _unknownFields = pb::UnknownFieldSet.Clone(other._unknownFields);
    }

    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    public ComplexOptionType3 Clone() {
      return new ComplexOptionType3(this);
    }

    /// <summary>Field number for the "qux" field.</summary>
    public const int QuxFieldNumber = 1;
    private int qux_;
    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    public int Qux {
      get { return qux_; }
      set {
        qux_ = value;
      }
    }

    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    public override bool Equals(object other) {
      return Equals(other as ComplexOptionType3);
    }

    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    public bool Equals(ComplexOptionType3 other) {
      if (ReferenceEquals(other, null)) {
        return false;
      }
      if (ReferenceEquals(other, this)) {
        return true;
      }
      if (Qux != other.Qux) return false;
      return Equals(_unknownFields, other._unknownFields);
    }

    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    public override int GetHashCode() {
      int hash = 1;
      if (Qux != 0) hash ^= Qux.GetHashCode();
      if (_unknownFields != null) {
        hash ^= _unknownFields.GetHashCode();
      }
      return hash;
    }

    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    public override string ToString() {
      return pb::JsonFormatter.ToDiagnosticString(this);
    }

    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    public void WriteTo(pb::CodedOutputStream output) {
      if (Qux != 0) {
        output.WriteRawTag(8);
        output.WriteInt32(Qux);
      }
      if (_unknownFields != null) {
        _unknownFields.WriteTo(output);
      }
    }

    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    public int CalculateSize() {
      int size = 0;
      if (Qux != 0) {
        size += 1 + pb::CodedOutputStream.ComputeInt32Size(Qux);
      }
      if (_unknownFields != null) {
        size += _unknownFields.CalculateSize();
      }
      return size;
    }

    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    public void MergeFrom(ComplexOptionType3 other) {
      if (other == null) {
        return;
      }
      if (other.Qux != 0) {
        Qux = other.Qux;
      }
      _unknownFields = pb::UnknownFieldSet.MergeFrom(_unknownFields, other._unknownFields);
    }

    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    public void MergeFrom(pb::CodedInputStream input) {
      input.ReadRawMessage(this);
    }

    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    void pb::IBufferMessage.InternalMergeFrom(ref pb::ParseContext input) {
      uint tag;
      while ((tag = input.ReadTag()) != 0) {
        switch(tag) {
          default:
            _unknownFields = pb::UnknownFieldSet.MergeFieldFrom(_unknownFields, ref input);
            break;
          case 8: {
            Qux = input.ReadInt32();
            break;
          }
        }
      }
    }

  }

  /// <summary>
  /// Note that we try various different ways of naming the same extension.
  /// </summary>
  public sealed partial class VariousComplexOptions : pb::IMessage<VariousComplexOptions>, pb::IBufferMessage {
    private static readonly pb::MessageParser<VariousComplexOptions> _parser = new pb::MessageParser<VariousComplexOptions>(() => new VariousComplexOptions());
    private pb::UnknownFieldSet _unknownFields;
    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    public static pb::MessageParser<VariousComplexOptions> Parser { get { return _parser; } }

    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    public static pbr::MessageDescriptor Descriptor {
      get { return global::UnitTest.Issues.TestProtos.UnittestCustomOptionsProto3Reflection.Descriptor.MessageTypes[15]; }
    }

    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    pbr::MessageDescriptor pb::IMessage.Descriptor {
      get { return Descriptor; }
    }

    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    public VariousComplexOptions() {
      OnConstruction();
    }

    partial void OnConstruction();

    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    public VariousComplexOptions(VariousComplexOptions other) : this() {
      _unknownFields = pb::UnknownFieldSet.Clone(other._unknownFields);
    }

    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    public VariousComplexOptions Clone() {
      return new VariousComplexOptions(this);
    }

    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    public override bool Equals(object other) {
      return Equals(other as VariousComplexOptions);
    }

    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    public bool Equals(VariousComplexOptions other) {
      if (ReferenceEquals(other, null)) {
        return false;
      }
      if (ReferenceEquals(other, this)) {
        return true;
      }
      return Equals(_unknownFields, other._unknownFields);
    }

    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    public override int GetHashCode() {
      int hash = 1;
      if (_unknownFields != null) {
        hash ^= _unknownFields.GetHashCode();
      }
      return hash;
    }

    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    public override string ToString() {
      return pb::JsonFormatter.ToDiagnosticString(this);
    }

    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    public void WriteTo(pb::CodedOutputStream output) {
      if (_unknownFields != null) {
        _unknownFields.WriteTo(output);
      }
    }

    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    public int CalculateSize() {
      int size = 0;
      if (_unknownFields != null) {
        size += _unknownFields.CalculateSize();
      }
      return size;
    }

    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    public void MergeFrom(VariousComplexOptions other) {
      if (other == null) {
        return;
      }
      _unknownFields = pb::UnknownFieldSet.MergeFrom(_unknownFields, other._unknownFields);
    }

    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    public void MergeFrom(pb::CodedInputStream input) {
      input.ReadRawMessage(this);
    }

    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    void pb::IBufferMessage.InternalMergeFrom(ref pb::ParseContext input) {
      uint tag;
      while ((tag = input.ReadTag()) != 0) {
        switch(tag) {
          default:
            _unknownFields = pb::UnknownFieldSet.MergeFieldFrom(_unknownFields, ref input);
            break;
        }
      }
    }

  }

  /// <summary>
  /// A helper type used to test aggregate option parsing
  /// </summary>
  public sealed partial class Aggregate : pb::IMessage<Aggregate>, pb::IBufferMessage {
    private static readonly pb::MessageParser<Aggregate> _parser = new pb::MessageParser<Aggregate>(() => new Aggregate());
    private pb::UnknownFieldSet _unknownFields;
    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    public static pb::MessageParser<Aggregate> Parser { get { return _parser; } }

    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    public static pbr::MessageDescriptor Descriptor {
      get { return global::UnitTest.Issues.TestProtos.UnittestCustomOptionsProto3Reflection.Descriptor.MessageTypes[16]; }
    }

    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    pbr::MessageDescriptor pb::IMessage.Descriptor {
      get { return Descriptor; }
    }

    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    public Aggregate() {
      OnConstruction();
    }

    partial void OnConstruction();

    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    public Aggregate(Aggregate other) : this() {
      i_ = other.i_;
      s_ = other.s_;
      sub_ = other.sub_ != null ? other.sub_.Clone() : null;
      _unknownFields = pb::UnknownFieldSet.Clone(other._unknownFields);
    }

    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    public Aggregate Clone() {
      return new Aggregate(this);
    }

    /// <summary>Field number for the "i" field.</summary>
    public const int IFieldNumber = 1;
    private int i_;
    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    public int I {
      get { return i_; }
      set {
        i_ = value;
      }
    }

    /// <summary>Field number for the "s" field.</summary>
    public const int SFieldNumber = 2;
    private string s_ = "";
    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    public string S {
      get { return s_; }
      set {
        s_ = pb::ProtoPreconditions.CheckNotNull(value, "value");
      }
    }

    /// <summary>Field number for the "sub" field.</summary>
    public const int SubFieldNumber = 3;
    private global::UnitTest.Issues.TestProtos.Aggregate sub_;
    /// <summary>
    /// A nested object
    /// </summary>
    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    public global::UnitTest.Issues.TestProtos.Aggregate Sub {
      get { return sub_; }
      set {
        sub_ = value;
      }
    }

    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    public override bool Equals(object other) {
      return Equals(other as Aggregate);
    }

    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    public bool Equals(Aggregate other) {
      if (ReferenceEquals(other, null)) {
        return false;
      }
      if (ReferenceEquals(other, this)) {
        return true;
      }
      if (I != other.I) return false;
      if (S != other.S) return false;
      if (!object.Equals(Sub, other.Sub)) return false;
      return Equals(_unknownFields, other._unknownFields);
    }

    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    public override int GetHashCode() {
      int hash = 1;
      if (I != 0) hash ^= I.GetHashCode();
      if (S.Length != 0) hash ^= S.GetHashCode();
      if (sub_ != null) hash ^= Sub.GetHashCode();
      if (_unknownFields != null) {
        hash ^= _unknownFields.GetHashCode();
      }
      return hash;
    }

    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    public override string ToString() {
      return pb::JsonFormatter.ToDiagnosticString(this);
    }

    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    public void WriteTo(pb::CodedOutputStream output) {
      if (I != 0) {
        output.WriteRawTag(8);
        output.WriteInt32(I);
      }
      if (S.Length != 0) {
        output.WriteRawTag(18);
        output.WriteString(S);
      }
      if (sub_ != null) {
        output.WriteRawTag(26);
        output.WriteMessage(Sub);
      }
      if (_unknownFields != null) {
        _unknownFields.WriteTo(output);
      }
    }

    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    public int CalculateSize() {
      int size = 0;
      if (I != 0) {
        size += 1 + pb::CodedOutputStream.ComputeInt32Size(I);
      }
      if (S.Length != 0) {
        size += 1 + pb::CodedOutputStream.ComputeStringSize(S);
      }
      if (sub_ != null) {
        size += 1 + pb::CodedOutputStream.ComputeMessageSize(Sub);
      }
      if (_unknownFields != null) {
        size += _unknownFields.CalculateSize();
      }
      return size;
    }

    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    public void MergeFrom(Aggregate other) {
      if (other == null) {
        return;
      }
      if (other.I != 0) {
        I = other.I;
      }
      if (other.S.Length != 0) {
        S = other.S;
      }
      if (other.sub_ != null) {
        if (sub_ == null) {
          Sub = new global::UnitTest.Issues.TestProtos.Aggregate();
        }
        Sub.MergeFrom(other.Sub);
      }
      _unknownFields = pb::UnknownFieldSet.MergeFrom(_unknownFields, other._unknownFields);
    }

    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    public void MergeFrom(pb::CodedInputStream input) {
      input.ReadRawMessage(this);
    }

    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    void pb::IBufferMessage.InternalMergeFrom(ref pb::ParseContext input) {
      uint tag;
      while ((tag = input.ReadTag()) != 0) {
        switch(tag) {
          default:
            _unknownFields = pb::UnknownFieldSet.MergeFieldFrom(_unknownFields, ref input);
            break;
          case 8: {
            I = input.ReadInt32();
            break;
          }
          case 18: {
            S = input.ReadString();
            break;
          }
          case 26: {
            if (sub_ == null) {
              Sub = new global::UnitTest.Issues.TestProtos.Aggregate();
            }
            input.ReadMessage(Sub);
            break;
          }
        }
      }
    }

  }

  public sealed partial class AggregateMessage : pb::IMessage<AggregateMessage>, pb::IBufferMessage {
    private static readonly pb::MessageParser<AggregateMessage> _parser = new pb::MessageParser<AggregateMessage>(() => new AggregateMessage());
    private pb::UnknownFieldSet _unknownFields;
    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    public static pb::MessageParser<AggregateMessage> Parser { get { return _parser; } }

    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    public static pbr::MessageDescriptor Descriptor {
      get { return global::UnitTest.Issues.TestProtos.UnittestCustomOptionsProto3Reflection.Descriptor.MessageTypes[17]; }
    }

    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    pbr::MessageDescriptor pb::IMessage.Descriptor {
      get { return Descriptor; }
    }

    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    public AggregateMessage() {
      OnConstruction();
    }

    partial void OnConstruction();

    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    public AggregateMessage(AggregateMessage other) : this() {
      fieldname_ = other.fieldname_;
      _unknownFields = pb::UnknownFieldSet.Clone(other._unknownFields);
    }

    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    public AggregateMessage Clone() {
      return new AggregateMessage(this);
    }

    /// <summary>Field number for the "fieldname" field.</summary>
    public const int FieldnameFieldNumber = 1;
    private int fieldname_;
    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    public int Fieldname {
      get { return fieldname_; }
      set {
        fieldname_ = value;
      }
    }

    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    public override bool Equals(object other) {
      return Equals(other as AggregateMessage);
    }

    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    public bool Equals(AggregateMessage other) {
      if (ReferenceEquals(other, null)) {
        return false;
      }
      if (ReferenceEquals(other, this)) {
        return true;
      }
      if (Fieldname != other.Fieldname) return false;
      return Equals(_unknownFields, other._unknownFields);
    }

    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    public override int GetHashCode() {
      int hash = 1;
      if (Fieldname != 0) hash ^= Fieldname.GetHashCode();
      if (_unknownFields != null) {
        hash ^= _unknownFields.GetHashCode();
      }
      return hash;
    }

    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    public override string ToString() {
      return pb::JsonFormatter.ToDiagnosticString(this);
    }

    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    public void WriteTo(pb::CodedOutputStream output) {
      if (Fieldname != 0) {
        output.WriteRawTag(8);
        output.WriteInt32(Fieldname);
      }
      if (_unknownFields != null) {
        _unknownFields.WriteTo(output);
      }
    }

    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    public int CalculateSize() {
      int size = 0;
      if (Fieldname != 0) {
        size += 1 + pb::CodedOutputStream.ComputeInt32Size(Fieldname);
      }
      if (_unknownFields != null) {
        size += _unknownFields.CalculateSize();
      }
      return size;
    }

    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    public void MergeFrom(AggregateMessage other) {
      if (other == null) {
        return;
      }
      if (other.Fieldname != 0) {
        Fieldname = other.Fieldname;
      }
      _unknownFields = pb::UnknownFieldSet.MergeFrom(_unknownFields, other._unknownFields);
    }

    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    public void MergeFrom(pb::CodedInputStream input) {
      input.ReadRawMessage(this);
    }

    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    void pb::IBufferMessage.InternalMergeFrom(ref pb::ParseContext input) {
      uint tag;
      while ((tag = input.ReadTag()) != 0) {
        switch(tag) {
          default:
            _unknownFields = pb::UnknownFieldSet.MergeFieldFrom(_unknownFields, ref input);
            break;
          case 8: {
            Fieldname = input.ReadInt32();
            break;
          }
        }
      }
    }

  }

  /// <summary>
  /// Test custom options for nested type.
  /// </summary>
  public sealed partial class NestedOptionType : pb::IMessage<NestedOptionType>, pb::IBufferMessage {
    private static readonly pb::MessageParser<NestedOptionType> _parser = new pb::MessageParser<NestedOptionType>(() => new NestedOptionType());
    private pb::UnknownFieldSet _unknownFields;
    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    public static pb::MessageParser<NestedOptionType> Parser { get { return _parser; } }

    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    public static pbr::MessageDescriptor Descriptor {
      get { return global::UnitTest.Issues.TestProtos.UnittestCustomOptionsProto3Reflection.Descriptor.MessageTypes[18]; }
    }

    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    pbr::MessageDescriptor pb::IMessage.Descriptor {
      get { return Descriptor; }
    }

    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    public NestedOptionType() {
      OnConstruction();
    }

    partial void OnConstruction();

    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    public NestedOptionType(NestedOptionType other) : this() {
      _unknownFields = pb::UnknownFieldSet.Clone(other._unknownFields);
    }

    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    public NestedOptionType Clone() {
      return new NestedOptionType(this);
    }

    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    public override bool Equals(object other) {
      return Equals(other as NestedOptionType);
    }

    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    public bool Equals(NestedOptionType other) {
      if (ReferenceEquals(other, null)) {
        return false;
      }
      if (ReferenceEquals(other, this)) {
        return true;
      }
      return Equals(_unknownFields, other._unknownFields);
    }

    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    public override int GetHashCode() {
      int hash = 1;
      if (_unknownFields != null) {
        hash ^= _unknownFields.GetHashCode();
      }
      return hash;
    }

    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    public override string ToString() {
      return pb::JsonFormatter.ToDiagnosticString(this);
    }

    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    public void WriteTo(pb::CodedOutputStream output) {
      if (_unknownFields != null) {
        _unknownFields.WriteTo(output);
      }
    }

    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    public int CalculateSize() {
      int size = 0;
      if (_unknownFields != null) {
        size += _unknownFields.CalculateSize();
      }
      return size;
    }

    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    public void MergeFrom(NestedOptionType other) {
      if (other == null) {
        return;
      }
      _unknownFields = pb::UnknownFieldSet.MergeFrom(_unknownFields, other._unknownFields);
    }

    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    public void MergeFrom(pb::CodedInputStream input) {
      input.ReadRawMessage(this);
    }

    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    void pb::IBufferMessage.InternalMergeFrom(ref pb::ParseContext input) {
      uint tag;
      while ((tag = input.ReadTag()) != 0) {
        switch(tag) {
          default:
            _unknownFields = pb::UnknownFieldSet.MergeFieldFrom(_unknownFields, ref input);
            break;
        }
      }
    }

    #region Nested types
    /// <summary>Container for nested types declared in the NestedOptionType message type.</summary>
    [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
    public static partial class Types {
      public enum NestedEnum {
        [pbr::OriginalName("UNSPECIFIED")] Unspecified = 0,
        [pbr::OriginalName("NESTED_ENUM_VALUE")] Value = 1,
      }

      public sealed partial class NestedMessage : pb::IMessage<NestedMessage>, pb::IBufferMessage {
        private static readonly pb::MessageParser<NestedMessage> _parser = new pb::MessageParser<NestedMessage>(() => new NestedMessage());
        private pb::UnknownFieldSet _unknownFields;
        [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
        public static pb::MessageParser<NestedMessage> Parser { get { return _parser; } }

        [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
        public static pbr::MessageDescriptor Descriptor {
          get { return global::UnitTest.Issues.TestProtos.NestedOptionType.Descriptor.NestedTypes[0]; }
        }

        [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
        pbr::MessageDescriptor pb::IMessage.Descriptor {
          get { return Descriptor; }
        }

        [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
        public NestedMessage() {
          OnConstruction();
        }

        partial void OnConstruction();

        [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
        public NestedMessage(NestedMessage other) : this() {
          nestedField_ = other.nestedField_;
          _unknownFields = pb::UnknownFieldSet.Clone(other._unknownFields);
        }

        [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
        public NestedMessage Clone() {
          return new NestedMessage(this);
        }

        /// <summary>Field number for the "nested_field" field.</summary>
        public const int NestedFieldFieldNumber = 1;
        private int nestedField_;
        [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
        public int NestedField {
          get { return nestedField_; }
          set {
            nestedField_ = value;
          }
        }

        [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
        public override bool Equals(object other) {
          return Equals(other as NestedMessage);
        }

        [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
        public bool Equals(NestedMessage other) {
          if (ReferenceEquals(other, null)) {
            return false;
          }
          if (ReferenceEquals(other, this)) {
            return true;
          }
          if (NestedField != other.NestedField) return false;
          return Equals(_unknownFields, other._unknownFields);
        }

        [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
        public override int GetHashCode() {
          int hash = 1;
          if (NestedField != 0) hash ^= NestedField.GetHashCode();
          if (_unknownFields != null) {
            hash ^= _unknownFields.GetHashCode();
          }
          return hash;
        }

        [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
        public override string ToString() {
          return pb::JsonFormatter.ToDiagnosticString(this);
        }

        [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
        public void WriteTo(pb::CodedOutputStream output) {
          if (NestedField != 0) {
            output.WriteRawTag(8);
            output.WriteInt32(NestedField);
          }
          if (_unknownFields != null) {
            _unknownFields.WriteTo(output);
          }
        }

        [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
        public int CalculateSize() {
          int size = 0;
          if (NestedField != 0) {
            size += 1 + pb::CodedOutputStream.ComputeInt32Size(NestedField);
          }
          if (_unknownFields != null) {
            size += _unknownFields.CalculateSize();
          }
          return size;
        }

        [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
        public void MergeFrom(NestedMessage other) {
          if (other == null) {
            return;
          }
          if (other.NestedField != 0) {
            NestedField = other.NestedField;
          }
          _unknownFields = pb::UnknownFieldSet.MergeFrom(_unknownFields, other._unknownFields);
        }

        [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
        public void MergeFrom(pb::CodedInputStream input) {
          input.ReadRawMessage(this);
        }

        [global::System.Diagnostics.DebuggerNonUserCodeAttribute]
        void pb::IBufferMessage.InternalMergeFrom(ref pb::ParseContext input) {
          uint tag;
          while ((tag = input.ReadTag()) != 0) {
            switch(tag) {
              default:
                _unknownFields = pb::UnknownFieldSet.MergeFieldFrom(_unknownFields, ref input);
                break;
              case 8: {
                NestedField = input.ReadInt32();
                break;
              }
            }
          }
        }

      }

    }
    #endregion

  }

  #endregion

}

#endregion Designer generated code