class_docstr: Dataset with additional indexing information.
code: def indexed_examples(self) -> Sequence[IndexedInput]:
      return self._indexed_examples
  
imports: from collections.abc import Callable, Mapping, Sequence
  import hashlib
  import glob
  import inspect
  import os
  import random
  import types
  from typing import Optional, Union, cast
  from absl import logging
  from lit_nlp.api import types
  from lit_nlp.lib import serialize
  from lit_nlp.lib import utils
label_desc: Use image node_id 6 for calling the IndexedDataset obj's underlying member method code with example usage: obj.indexed_examples() and returns: self