@abc.abstractmethod<EOL><INDENT>def get_schedules_by_location(self, location_id):<DEDENT>
return<EOL>
Gets a ``ScheduleList`` containing the given location.

        In plenary mode, the returned list contains all known schedule
        or an error results. Otherwise, the returned list may contain
        only those schedule that are accessible through this session.

        :param location_id: a location ``Id``
        :type location_id: ``osid.id.Id``
        :return: the returned ``Schedule`` list
        :rtype: ``osid.calendaring.ScheduleList``
        :raise: ``NullArgument`` -- ``location_id`` is ``null``
        :raise: ``OperationFailed`` -- unable to complete request
        :raise: ``PermissionDenied`` -- authorization failure

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