class_docstr: Librispeech language modeling dataset.
code: def _info(self):
      return datasets.DatasetInfo(
          description=_DESCRIPTION,
          features=datasets.Features(
              {"text": datasets.Value("string")}
          ),
          supervised_keys=("text", "text"),
          homepage=_URL,
          citation=_CITATION,
      )
  
file_path: speechbrain/recipes/LibriSpeech/LM/dataset.py
imports: from __future__ import absolute_import, division, print_function
  import datasets
  import re
label_desc: Use image node_id 1 for calling the LibrispeechLm obj's underlying member method code with example usage: obj._info() and returns: datasets