docs: def app_loader(app, entry_points=None, modules=None):
      """Run default application loader.
  
      :param entry_points: List of entry points providing to Flask extensions.
      :param modules: List of Flask extensions.
  
      .. versionadded: 1.0.0
      """
      _loader(app, lambda ext: ext(app), entry_points=entry_points,
              modules=modules)