@java.lang.Override
    protected Builder newBuilderForType(
        com.google.protobuf.GeneratedMessage.BuilderParent parent) {
      Builder builder = new Builder(parent);
      return builder;
    }
Protobuf type {@code com.alibaba.otter.node.etl.model.protobuf.FileBatch}
node/etl/src/main/java/com/alibaba/otter/node/etl/model/protobuf/BatchProto.java