class_docstr: Covid19sum Dataset.
class_docstr_tok: ["Covid19sum","Dataset","."]
code: def _info(self) -> tfds.core.DatasetInfo:
      features = {
          k: tf.string for k in _ADDITIONAL_FEATURES + [_ABSTRACT]
      }
      features[_BODY_TEXT] = tfds.features.Sequence(
          tfds.features.FeaturesDict(
              {_SECTION: np.str_, _TEXT: np.str_}
          )
      )
      return tfds.core.DatasetInfo(
          builder=self,
          description=_DESCRIPTION,
          features=tfds.features.FeaturesDict(features),
          supervised_keys=(_BODY_TEXT, _ABSTRACT),
          homepage=_HOMEPAGE,
          citation=_CITATION,
      )
  
file_path: datasets/tensorflow_datasets/summarization/covid19sum.py
imports: from __future__ import annotations
  import json
  import os
  from typing import Any, Dict, Iterator, List, Optional, Text, Tuple
  import numpy
  from tensorflow_datasets.core.utils.lazy_imports_utils import tensorflow
  import tensorflow_datasets.public_api
label_desc: Use image node_id 1 for calling the Covid19sum obj's underlying member method code with example usage: obj._info() and returns: tfds