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