public com.taobao.metamorphosis.server.transaction.store.TransactionCommands.TxCommand build() {
        com.taobao.metamorphosis.server.transaction.store.TransactionCommands.TxCommand result = buildPartial();
        if (!result.isInitialized()) {
          throw newUninitializedMessageException(result);
        }
        return result;
      }
Protobuf type {@code com.taobao.tddl.dbproxy.protocol.TxCommand}
metamorphosis-server/src/main/java/com/taobao/metamorphosis/server/transaction/store/TransactionCommands.java