def decorateExternalObject(origial, external):
    """
        Decorate the externalized object (which is probably a mapping,
        though this is not guaranteed).

        :param original: The object that is being externalized.
            Passed to facilitate using non-classes as decorators.
        :param external: The externalization of that object, produced
            by an implementation of
            :class:`~nti.externalization.interfaces.IInternalObjectExternalizer`
            or default rules.
        :return: Undefined.
        """
