docs: def pull_images(self, container, instances=None, map_name=None, **kwargs):
          """
          Pulls images for container configurations along their dependency path.
  
          :param container: Container configuration name.
          :type container: unicode | str
          :param map_name: Container map name.
          :type map_name: unicode | str
          :param instances: Not applicable for images.
          :type instances: unicode | str
          :param kwargs: Keyword arguments to the script runner function.
          :return: Return values of actions.
          :rtype: list[dockermap.map.runner.ActionOutput]
          """
          return self.run_actions('pull_images', container, map_name=map_name, **kwargs)