@abc.abstractmethod<EOL><INDENT>def get_qualifier_record(self, qualifier_record_type):<DEDENT>
return<EOL>
Gets the qualifier record corresponding to the given ``Qualifier`` record ``Type``.

        This method is used to retrieve an object implementing the
        requested record. The ``qualifier_record_type`` may be the
        ``Type`` returned in ``get_record_types()`` or any of its
        parents in a ``Type`` hierarchy where
        ``has_record_type(qualifier_record_type)`` is ``true`` .

        :param qualifier_record_type: the type of the record to retrieve
        :type qualifier_record_type: ``osid.type.Type``
        :return: the qualifier record
        :rtype: ``osid.authorization.records.QualifierRecord``
        :raise: ``NullArgument`` -- ``qualifier_record_type`` is ``null``
        :raise: ``OperationFailed`` -- unable to complete request
        :raise: ``Unsupported`` -- ``has_record_type(qualifier_record_type)`` is ``false``

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