@java.lang.Override
    public com.google.protobuf.Parser<AppendMessageCommand> getParserForType() {
      return PARSER;
    }
Protobuf type {@code com.taobao.tddl.dbproxy.protocol.AppendMessageCommand}
metamorphosis-server/src/main/java/com/taobao/metamorphosis/server/transaction/store/TransactionCommands.java