class_docstr: Dataset with additional indexing information.
code: def __hash__(self):
      return hash(tuple([ex["id"] for ex in 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 10 for calling the IndexedDataset obj's underlying member method code with example usage: obj.__hash__() and returns: hash