public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException { getSerializedSize(); for (int i = 0; i < columns_.size(); i++) { output.writeMessage(1, columns_.get(i)); } if (((bitField0_ & 0x00000001) == 0x00000001)) { output.writeMessage(2, serverHandle_); } getUnknownFields().writeTo(output); }