public Builder mergeFrom(com.google.protobuf.Message other) {
        if (other instanceof com.taobao.metamorphosis.server.transaction.store.TransactionCommands.TransactionOperation) {
          return mergeFrom((com.taobao.metamorphosis.server.transaction.store.TransactionCommands.TransactionOperation)other);
        } else {
          super.mergeFrom(other);
          return this;
        }
      }
Protobuf type {@code com.taobao.tddl.dbproxy.protocol.TransactionOperation}
metamorphosis-server/src/main/java/com/taobao/metamorphosis/server/transaction/store/TransactionCommands.java