@classmethod
def make(cls, event_type, event_data):
    """Creates a new TreeEvent tuple.

        :returns: A :class:`~kazoo_sasl.recipe.cache.TreeEvent` instance.
        """
    assert event_type in (cls.NODE_ADDED, cls.NODE_UPDATED, cls.
        NODE_REMOVED, cls.CONNECTION_SUSPENDED, cls.CONNECTION_RECONNECTED,
        cls.CONNECTION_LOST, cls.INITIALIZED)
    return cls((event_type, event_data))
