docs: def has_in_starred(self, starred):
          """
          :calls: `GET /user/starred/:owner/:repo <http://developer.github.com/v3/activity/starring>`_
          :param starred: :class:`github.Repository.Repository`
          :rtype: bool
          """
          assert isinstance(starred, github.Repository.Repository), starred
          status, headers, data = self._requester.requestJson(
              "GET",
              "/user/starred/" + starred._identity
          )
          return status == 204