code: def _get_doc_extensions_text_stats_readability() -> (
      dict[str, dict[str, types.DocExtFunc]]
  ):
      return {
          "automated_readability_index": {
              "method": readability.automated_readability_index
          },
          "automatic_arabic_readability_index": {
              "method": readability.automatic_arabic_readability_index
          },
          "coleman_liau_index": {
              "method": readability.coleman_liau_index
          },
          "flesch_kincaid_grade_level": {
              "method": readability.flesch_kincaid_grade_level
          },
          "flesch_reading_ease": {
              "method": readability.flesch_reading_ease
          },
          "gulpease_index": {"method": readability.gulpease_index},
          "gunning_fog_index": {
              "method": readability.gunning_fog_index
          },
          "lix": {"method": readability.lix},
          "mu_legibility_index": {
              "method": readability.mu_legibility_index
          },
          "perspicuity_index": {
              "method": readability.perspicuity_index
          },
          "smog_index": {"method": readability.smog_index},
          "wiener_sachtextformel": {
              "method": readability.wiener_sachtextformel
          },
      }
  
imports: from ..None import types
  from ..spacier.extensions import doc_extensions_registry
  from .None import basics, counts, diversity, readability
label_desc: Use image node_id 4 for calling a global function with example usage: _get_doc_extensions_text_stats_readability() and returns: dict