class_docstr: Booksum dataset builder.
code: def _info(self) -> tfds.core.DatasetInfo:
      return self.dataset_info_from_configs(
          features=tfds.features.FeaturesDict(
              {
                  _DOCUMENT: tfds.features.Text(),
                  _SUMMARY: tfds.features.Text(),
              }
          ),
          supervised_keys=(_DOCUMENT, _SUMMARY),
          homepage="https://github.com/salesforce/booksum",
      )
  
file_path: datasets/tensorflow_datasets/datasets/booksum/booksum_dataset_builder.py
imports: import json
  import logging
  import os
  from typing import Dict, Iterator, Text, Tuple
  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 Builder obj's underlying member method code with example usage: obj._info() and returns: self