@abc.abstractmethod<EOL><INDENT>def is_ancestor_of_catalog(self, id_, catalog_id):<DEDENT>
return<EOL>
Tests if an ``Id`` is an ancestor of a catalog.

        :param id: an ``Id``
        :type id: ``osid.id.Id``
        :param catalog_id: the ``Id`` of a catalog
        :type catalog_id: ``osid.id.Id``
        :return: ``true`` if this ``id`` is an ancestor of ``catalogId``.  ``false`` otherwise
        :rtype: ``boolean``
        :raise: ``NotFound`` -- ``catalog_id`` not found
        :raise: ``NullArgument`` -- ``catalog_id`` or ``id`` is ``null``
        :raise: ``OperationFailed`` -- unable to complete request
        :raise: ``PermissionDenied`` -- authorization failure occurred

        *compliance: mandatory -- This method must be implemented.*
        *implementation notes*: If ``id`` not found return ``false``.