public void MergeFrom(pb::CodedInputStream input)
        {
    #if !GOOGLE_PROTOBUF_REFSTRUCT_COMPATIBILITY_MODE
            input.ReadRawMessage(this);
    #else
            uint tag;
            while ((tag = input.ReadTag()) != 0)
            {
                switch (tag)
                {
                default:
                    _unknownFields = pb::UnknownFieldSet.MergeFieldFrom(_unknownFields, input);
                    break;

                case 10: {
                    global::Google.Cloud.AppEngine.V1.UpdateServiceMethod subBuilder = new global::Google.Cloud.AppEngine.V1.UpdateServiceMethod();
                    if (methodCase_ == MethodOneofCase.UpdateService)
                    {
                        subBuilder.MergeFrom(UpdateService);
                    }
                    input.ReadMessage(subBuilder);
                    UpdateService = subBuilder;
                    break;
                }

                case 18: {
                    global::Google.Cloud.AppEngine.V1.CreateVersionMethod subBuilder = new global::Google.Cloud.AppEngine.V1.CreateVersionMethod();
                    if (methodCase_ == MethodOneofCase.CreateVersion)
                    {
                        subBuilder.MergeFrom(CreateVersion);
                    }
                    input.ReadMessage(subBuilder);
                    CreateVersion = subBuilder;
                    break;
                }
                }
            }
    #endif
        }
        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: {
                    global::Google.Cloud.AppEngine.V1.UpdateServiceMethod subBuilder = new global::Google.Cloud.AppEngine.V1.UpdateServiceMethod();
                    if (methodCase_ == MethodOneofCase.UpdateService)
                    {
                        subBuilder.MergeFrom(UpdateService);
                    }
                    input.ReadMessage(subBuilder);
                    UpdateService = subBuilder;
                    break;
                }

                case 18: {
                    global::Google.Cloud.AppEngine.V1.CreateVersionMethod subBuilder = new global::Google.Cloud.AppEngine.V1.CreateVersionMethod();
                    if (methodCase_ == MethodOneofCase.CreateVersion)
                    {
                        subBuilder.MergeFrom(CreateVersion);
                    }
                    input.ReadMessage(subBuilder);
                    CreateVersion = subBuilder;
                    break;
                }
                }
            }
        }