namespace UserNotifications
{
    [Introduced(PlatformName.iOS, 10, 0, PlatformArchitecture.All, null)]
    [Introduced(PlatformName.MacOSX, 10, 14, PlatformArchitecture.All, null)]
    [Introduced(PlatformName.WatchOS, 6, 0, PlatformArchitecture.All, null)]
    [Register("UNNotificationServiceExtension", true)]
    [Unavailable(PlatformName.TvOS, PlatformArchitecture.All, null)]
    public class UNNotificationServiceExtension : NSObject
    {
        [BindingImpl(BindingImplOptions.GeneratedCode | BindingImplOptions.Optimizable)]
        [Export("serviceExtensionTimeWillExpire")]
        public virtual void TimeWillExpire();
    }
}