@abc.abstractmethod<EOL><INDENT>def get_recurring_events_by_query(self, recurring_event_query):<DEDENT>
return<EOL>
Gets a list of ``RecurringEvents`` matching the given recurring event query.

        :param recurring_event_query: the recurring event query
        :type recurring_event_query: ``osid.calendaring.RecurringEventQuery``
        :return: the returned ``RecurringEventList``
        :rtype: ``osid.calendaring.RecurringEventList``
        :raise: ``NullArgument`` -- ``recurring_event_query`` is ``null``
        :raise: ``OperationFailed`` -- unable to complete request
        :raise: ``PermissionDenied`` -- authorization failure
        :raise: ``Unsupported`` -- ``recurring_event_query`` is not of this service

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