code: def content(self, loader: tfds.core.DatasetCollectionLoader):
      if not loader.collection.info.citation:
          return ""
      return dmb.Block(
          textwrap.dedent(
              f"""
              ```
              {tfds.core.utils.indent(loader.collection.info.citation, '            ')}
              ```
              """
          )
      )
  
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 the CollectionCitationSection obj's underlying member method code with example usage: obj.content(loader) and returns: dmb, str