@abc.abstractmethod<EOL><INDENT>def add_specific_date(self, recurring_event_id, date, location_description):<DEDENT>
pass<EOL>
Adds a specific date to the given recurring event.

        :param recurring_event_id: a recurring event ``Id``
        :type recurring_event_id: ``osid.id.Id``
        :param date: a date
        :type date: ``osid.calendaring.DateTime``
        :param location_description: location description
        :type location_description: ``osid.locale.DisplayText``
        :raise: ``NotFound`` -- ``recurring_event_id`` is not found
        :raise: ``NullArgument`` -- ``recurring_event_id, date`` , or ``location_description`` is ``null``
        :raise: ``OperationFailed`` -- unable to complete request
        :raise: ``PermissionDenied`` -- authorization failure

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