@abc.abstractmethod<EOL><INDENT>def get_assessments_offered(self):<DEDENT>
return<EOL>
Gets the assessment offered list resulting from the search.

        :return: the assessment offered list
        :rtype: ``osid.assessment.AssessmentOfferedList``
        :raise: ``IllegalState`` -- the assessment offered list has already been retrieved

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