@abc.abstractmethod<EOL><INDENT>def inspect_qualifier_query(self):<DEDENT>
return<EOL>
Gets a qualifier query inspector for this vault.

        :return: the qualifier query inspector
        :rtype: ``osid.authorization.QualifierQueryInspector``
        :raise: ``OperationFailed`` -- unable to complete request
        :raise: ``PermissionDenied`` -- authorization failure occurred

        *compliance: mandatory -- This method must be implemented.*