System/Library/PrivateFrameworks/CalendarNotification.framework

CALNDateStringUtils.h

NSObject

@interface CALNDateStringUtils : NSObject

+ (id)_dateTimeFormatter;
+ (id)_allDayFormatter;
+ (id)dateTimeStringForEventDate:(id)a0 alwaysIncludeDate:(BOOL)a1 allDayEvent:(BOOL)a2 dateProvider:(id)a3;

@end