@abc.abstractmethod<EOL><INDENT>def get_assessment_search_session_for_bank(self, bank_id, proxy):<DEDENT>
return<EOL>
Gets the ``OsidSession`` associated with the assessment search service for the given bank.

        :param bank_id: the ``Id`` of the bank
        :type bank_id: ``osid.id.Id``
        :param proxy: a proxy
        :type proxy: ``osid.proxy.Proxy``
        :return: ``an _assessment_search_session``
        :rtype: ``osid.assessment.AssessmentSearchSession``
        :raise: ``NotFound`` -- ``bank_id`` not found
        :raise: ``NullArgument`` -- ``bank_id`` or ``proxy`` is ``null``
        :raise: ``OperationFailed`` -- ``unable to complete request``
        :raise: ``Unimplemented`` -- ``supports_assessment_search()`` or ``supports_visible_federation()`` is ``false``

        *compliance: optional -- This method must be implemented if
        ``supports_assessment_search()`` and
        ``supports_visible_federation()`` are ``true``.*