docs: def _return_feature(self, feature_type, feature_name, new_feature_name=...):
          """ Helping function of `get_features`
          """
          if self.new_names:
              return feature_type, feature_name, (self.rename_function(feature_name) if new_feature_name is ... else
                                                  new_feature_name)
          return feature_type, feature_name