readAttributeActiveCalendarType(completionHandler:)
Declaration
func readAttributeActiveCalendarType(completionHandler: @escaping @Sendable (NSNumber?, (any Error)?) -> Void)func readAttributeActiveCalendarType() async throws -> NSNumberfunc readAttributeActiveCalendarType(completionHandler: @escaping @Sendable (NSNumber?, (any Error)?) -> Void)func readAttributeActiveCalendarType() async throws -> NSNumber