def get_qualifier_query_session(self):
raise Unimplemented()<EOL>
Gets the ``OsidSession`` associated with the qualifier query service.

        return: (osid.authorization.QualifierQuerySession) - a
                ``QualifierQuerySession``
        raise:  OperationFailed - unable to complete request
        raise:  Unimplemented - ``supports_qualifier_query()`` is
                ``false``
        *compliance: optional -- This method must be implemented if
        ``supports_qualifier_query()`` is ``true``.*