code: def patch(self, client=None):
          
          client = self._require_client(client)
          query_params = self._query_params
          # Pass '?projection=full' here because 'PATCH' documented not
          # to work properly w/ 'noAcl'.
          query_params["projection"] = "full"
          update_properties = {key: self._properties[key] for key in self._changes}
  
          # Make the API call.
          api_response = client._connection.api_request(
              method="PATCH",
              path=self.path,
              data=update_properties,
              query_params=query_params,
              _target_object=self,
          )
          self._set_properties(api_response)
docs: Sends all changed properties in a PATCH request.
  
          Updates the ``_properties`` with the response from the backend.
  
          If :attr:`user_project` is set, bills the API request to that project.
  
          :type client: :class:`~google.cloud.storage.client.Client` or
                        ``NoneType``
          :param client: the client to use.  If not passed, falls back to the
                         ``client`` stored on the current object.