@abc.abstractmethod<EOL><INDENT>def register_for_new_schedule_slots(self):<DEDENT>
pass<EOL>
Register for notifications of new schedule slots.

        ``ScheduleSlotReceiver.newScheduleSlots()`` is invoked when a
        new schedule slot is created.

        :raise: ``OperationFailed`` -- unable to complete request
        :raise: ``PermissionDenied`` -- authorization failure

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