@abc.abstractmethod<EOL><INDENT>def search_among_assessments_offered(self, assessment_offrered_ids):<DEDENT>
pass<EOL>
Execute this search among the given list of assessments.

        :param assessment_offrered_ids: list of assessments offered
        :type assessment_offrered_ids: ``osid.id.IdList``
        :raise: ``NullArgument`` -- ``assessment_offered_ids`` is ``null``

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