code: def list_imported_dataset_collections() -> List[str]:
      """Returns the string names of all `tfds.core.DatasetCollection`s."""
      all_dataset_collections = [
          dataset_collection_name
          for dataset_collection_name, dataset_collection_cls in _DATASET_COLLECTION_REGISTRY.items()
      ]
      return sorted(all_dataset_collections)
  
imports: import abc
  import collections
  import contextlib
  import functools
  import importlib
  import inspect
  import os.path
  from typing import ClassVar, Dict, Iterator, List, Type, Text, Tuple
  from etils import epath
  from tensorflow_datasets.core import constants
  from tensorflow_datasets.core import naming
  from tensorflow_datasets.core import visibility
  from tensorflow_datasets.core.utils import py_utils
  from tensorflow_datasets.core.utils import resource_utils
label_desc: Use image node_id 2 for calling a global function with example usage: list_imported_dataset_collections() and returns: sorted