readAttributeNullableInt40s(completionHandler:)
Declaration
func readAttributeNullableInt40s(completionHandler: @escaping @Sendable (NSNumber?, (any Error)?) -> Void)func readAttributeNullableInt40s() async throws -> NSNumberfunc readAttributeNullableInt40s(completionHandler: @escaping @Sendable (NSNumber?, (any Error)?) -> Void)func readAttributeNullableInt40s() async throws -> NSNumber