@abc.abstractmethod<EOL><INDENT>def get_calendar_info_session_for_type(self, calendar_type, time_type, proxy):<DEDENT>
return<EOL>
Gets an ``OsidSession`` associated with the calendar informational service and the given calendar and time types.

        :param calendar_type: the type of the calendar
        :type calendar_type: ``osid.type.Type``
        :param time_type: the type of the time system
        :type time_type: ``osid.type.Type``
        :param proxy: a proxy
        :type proxy: ``osid.proxy.Proxy``
        :return: a ``CalendarInfoSession``
        :rtype: ``osid.locale.CalendarInfoSession``
        :raise: ``NullArgument`` -- ``calendar_type, time_type`` or ``proxy`` is ``null``
        :raise: ``OperationFailed`` -- unable to complete request
        :raise: ``Unimplemented`` -- ``supports_calendar_type()`` or ``supports_visible_federation()`` is ``false``
        :raise: ``Unsupported`` -- ``supports_calendar_time_types(calendar_type, time_type)`` is ``false``

        *compliance: optional -- This method must be implemented if
        ``supports_calendar_info()`` and
        ``supports_visible_federation()`` are ``true``.*