@classmethod
def compounds(cls):
    """Return a tuple containing all kinds that are compounds.

        While we generally disregard doxygen categories in this module, the
        member/compound definition is relevant because compounds have their
        own files.
        """
    return (cls.CLASS, cls.STRUCT, cls.UNION, cls.EXCEPTION, cls.FILE, cls.
        NAMESPACE, cls.GROUP, cls.PAGE, cls.DIR)
