docs: def load_all(self, target_uris, **kwargs):
          '''
          Load *all* YAML settings from a list of file paths given.
  
              - File paths in the list gets the priority by their orders
              of the list.
          '''
          yaml_series = self._load_first(
              target_uris, yamlsettings.yamldict.load_all, **kwargs
          )
          yaml_dicts = []
          for yaml_dict in yaml_series:
              yaml_dicts.append(yaml_dict)
          # return YAMLDict objects
          return yaml_dicts