@java.lang.Override
    protected java.lang.Object writeReplace()
        throws java.io.ObjectStreamException {
      return super.writeReplace();
    }
Protobuf type {@code com.alibaba.otter.node.etl.model.protobuf.Column}
node/etl/src/main/java/com/alibaba/otter/node/etl/model/protobuf/BatchProto.java