code: def _info(self):
      return datasets.DatasetInfo(features=self.config.features)
  
file_path: DeepKE/example/ner/cross/uie_json.py
imports: import json
  from dataclasses import dataclass
  from io import BytesIO
  from typing import Optional
  import pyarrow
  import pyarrow.json
  import datasets
label_desc: Use image node_id 1 for calling the Json obj's underlying member method code with example usage: obj._info() and returns: datasets