@abc.abstractmethod<EOL><INDENT>def inspect_activity_query(self):<DEDENT>
return<EOL>
Gets an activity query inspector for this objective bank.

        :return: the activity query inspector
        :rtype: ``osid.learning.ActivityQueryInspector``
        :raise: ``OperationFailed`` -- unable to complete request
        :raise: ``PermissionDenied`` -- authorization failure occurred

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