@abc.abstractmethod<EOL><INDENT>def get_calandaring_cycle_proxy_manager(self):<DEDENT>
return<EOL>
Gets the calendaring cycle proxy manager.

        :return: a ``CalendaringCycleProxyManager``
        :rtype: ``osid.calendaring.cycle.CalendaringCycleProxyManager``
        :raise: ``OperationFailed`` -- unable to complete request
        :raise: ``Unimplemented`` -- ``supports_calendaring_cycle()`` is ``false``

        *compliance: optional -- This method must be implemented if
        ``supports_calendaring_cycle()`` is ``true``.*