@abc.abstractmethod<EOL><INDENT>def get_source_types_by_destination(self, destination_type):<DEDENT>
return<EOL>
Gets all source Types related to the given destination ``Type``.

        :param destination_type: a destination type
        :type destination_type: ``osid.type.Type``
        :return: the source types
        :rtype: ``osid.type.TypeList``
        :raise: ``NullArgument`` -- ``destination_type`` is ``null``
        :raise: ``OperationFailed`` -- unable to complete request
        :raise: ``PermissionDenied`` -- authorization failure

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