private static Task <T> DeserializeAsync <T>(HttpListenerRequest context, CancellationToken ct) where T : new() => Task.FromResult(Deserialization.DeserializeFormUrlencoded <T>(context.InputStream));
private static T Deserialize <T>(HttpListenerRequest context) where T : new() => Deserialization.DeserializeFormUrlencoded <T>(context.InputStream);