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