public void MergeFrom(pb::CodedInputStream input)
        {
            uint tag;

            while ((tag = input.ReadTag()) != 0)
            {
                switch (tag)
                {
                default:
                    _unknownFields = pb::UnknownFieldSet.MergeFieldFrom(_unknownFields, input);
                    break;

                case 10: {
                    if (timestamp_ == null)
                    {
                        timestamp_ = new global::Google.Protobuf.WellKnownTypes.Timestamp();
                    }
                    input.ReadMessage(timestamp_);
                    break;
                }

                case 18: {
                    global::Envoy.Data.Tap.V2Alpha.Event.Types.Read subBuilder = new global::Envoy.Data.Tap.V2Alpha.Event.Types.Read();
                    if (eventSelectorCase_ == EventSelectorOneofCase.Read)
                    {
                        subBuilder.MergeFrom(Read);
                    }
                    input.ReadMessage(subBuilder);
                    Read = subBuilder;
                    break;
                }

                case 26: {
                    global::Envoy.Data.Tap.V2Alpha.Event.Types.Write subBuilder = new global::Envoy.Data.Tap.V2Alpha.Event.Types.Write();
                    if (eventSelectorCase_ == EventSelectorOneofCase.Write)
                    {
                        subBuilder.MergeFrom(Write);
                    }
                    input.ReadMessage(subBuilder);
                    Write = subBuilder;
                    break;
                }
                }
            }
        }