public FileBatch parsePartialFrom(
          com.google.protobuf.CodedInputStream input,
          com.google.protobuf.ExtensionRegistryLite extensionRegistry)
          throws com.google.protobuf.InvalidProtocolBufferException {
        return new FileBatch(input, extensionRegistry);
      }
<code>optional .com.alibaba.otter.node.etl.model.protobuf.Identity identity = 1;</code>
node/etl/src/main/java/com/alibaba/otter/node/etl/model/protobuf/BatchProto.java