@abc.abstractmethod<EOL><INDENT>def match_any_time_period(self, match):<DEDENT>
pass<EOL>
Matches a calendar that has any time period assigned.

        :param match: ``true`` to match calendars with any time period, ``false`` to match calendars with no time
        periods
        :type match: ``boolean``


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