def get_sequence_rule_enabler_bank_session(self):
raise Unimplemented()<EOL>
Gets the ``OsidSession`` to lookup sequence rule enabler/bank mappings for sequence rule enablers.

        return:
                (osid.assessment.authoring.SequenceRuleEnablerBankSessio
                n) - a ``SequenceRuleEnablerBankSession``
        raise:  OperationFailed - unable to complete request
        raise:  Unimplemented -
                ``supports_sequence_rule_enabler_bank()`` is ``false``
        *compliance: optional -- This method must be implemented if
        ``supports_sequence_rule_enabler_bank()`` is ``true``.*