@abc.abstractmethod<EOL><INDENT>def get_sequence_rule_enablers_by_banks(self, bank_ids):<DEDENT>
return<EOL>
Gets the list of sequence rule enablers corresponding to a list of ``Banks``.

        :param bank_ids: list of bank ``Ids``
        :type bank_ids: ``osid.id.IdList``
        :return: list of sequence rule enablers
        :rtype: ``osid.assessment.authoring.SequenceRuleEnablerList``
        :raise: ``NullArgument`` -- ``bank_ids`` is ``null``
        :raise: ``OperationFailed`` -- unable to complete request
        :raise: ``PermissionDenied`` -- authorization failure

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