@abc.abstractmethod<EOL><INDENT>def move_sequence_rule_ahead(self, sequence_rule_id, assessment_part_id, reference_id):<DEDENT>
pass<EOL>
Reorders sequence rule for a source assessment part by moving the specified sequence rule in front of a reference sequence rule.

        :param sequence_rule_id: the ``Id`` of a ``SequenceRule``
        :type sequence_rule_id: ``osid.id.Id``
        :param assessment_part_id: the ``Id`` of an ``AssessmentPart``
        :type assessment_part_id: ``osid.id.Id``
        :param reference_id: the reference sequence rule ``Id``
        :type reference_id: ``osid.id.Id``
        :raise: ``NotFound`` -- ``sequence_rule_id, assessment_part_id,`` or ``reference_id`` not found or, ``sequence_rule_id`` or ``reference_id`` not related to ``assessment_part_id``
        :raise: ``NullArgument`` -- ``sequence_rule_id, assessment_part_id,`` or ``reference_id`` is ``null``
        :raise: ``OperationFailed`` -- unable to complete request
        :raise: ``PermissionDenied`` -- authorization failure

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