code: def parentLayer(self):
          
          if self._parentLayer is None:
              from ..agol.services import FeatureService
              self.__init()
              url = os.path.dirname(self._url)
              self._parentLayer = FeatureService(url=url,
                                                 securityHandler=self._securityHandler,
                                                 proxy_url=self._proxy_url,
                                                 proxy_port=self._proxy_port)
          return self._parentLayer
docs: returns information about the parent