def test_type(self):
        rset = event.ResultSet()
        with pytest.raises(NotImplementedError):
            rset.extend([])
        with pytest.raises(NotImplementedError):
            rset.extend(False)
def __init__(self):
        self._cache = {}
        self._bucket_client = None
        self._param_client = None
        self._secret_client = None