class_docstr: DatasetBuilder for real_toxicity_prompts dataset.
docstr: Returns the dataset metadata.
docstr_tok: ["Returns","the","dataset","metadata","."]
code: def _info(self) -> tfds.core.DatasetInfo:
      """Returns the dataset metadata."""
  
      return self.dataset_info_from_configs(
          features=tfds.features.FeaturesDict(
              {
                  "filename": tfds.features.Text(),
                  "begin": np.int32,
                  "end": np.int32,
                  "challenging": np.bool_,
                  "prompt": _TOXIC_FEATURES,
                  "continuation": _TOXIC_FEATURES,
              }
          ),
          supervised_keys=None,
          homepage="https://github.com/allenai/real-toxicity-prompts",
          license="https://github.com/allenai/real-toxicity-prompts/blob/master/LICENSE",
      )
  
file_path: datasets/tensorflow_datasets/datasets/real_toxicity_prompts/real_toxicity_prompts_dataset_builder.py
imports: import json
  from etils import epath
  import numpy
  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