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