code: def _display_collection_sections(
      loader: tfds.core.DatasetCollectionLoader,
      all_sections: List[CollectionSection],
  ) -> str:
      return "".join(
          [section.display(loader) for section in all_sections]
      )
  
imports: import abc
  import textwrap
  from typing import List
  import tensorflow_datasets
  from tensorflow_datasets.scripts.documentation import dataset_markdown_builder
  from tensorflow_datasets.scripts.documentation import doc_utils
label_desc: Use image node_id 2 for calling a global function with example usage: _display_collection_sections(loader, all_sections) and returns: str