rem: bool        init(KCal::RecurrenceRule::PeriodType t, int freq, int count, const DateTime& start, const QDateTime& end) { return init(t, freq, count, -1, start, end); }
add: bool        init(KCal::RecurrenceRule::PeriodType t, int freq, int count, const DateTime& start, const QDateTime& end, Feb29Type f29) { return init(t, freq, count, f29, start, end); }
context: 		bool        init(KCal::RecurrenceRule::PeriodType t, int freq, int count, const DateTime& start, const QDateTime& end)		                        { return init(t, freq, count, -1, start, end); }