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