OCKCalendarControllerProtocol An object that tracks the state of a calendar. Declarationprotocol OCKCalendarControllerProtocol : AnyObject TopicsTracking Calendar ChangesstoreobjectWillChange RelationshipsConforming TypesOCKCalendarControllerOCKWeekCalendarController See AlsoCalendar View ChangesOCKWeekCalendarPageViewControllerDelegateOCKCalendarViewDelegate