docs: def refresh(self):
          """Get the latest representation of the current model."""
          client = self._get_client()
          endpoint = self._endpoint.format(
              resource_id=self.resource_id or "",
              parent_id=self.parent_id or "",
              grandparent_id=self.grandparent_id or "")
          response = client.get_resource(endpoint)
          self._reset_model(response)