namespace AVFoundation
{
    [Introduced(PlatformName.WatchOS, 6, 0, PlatformArchitecture.All, null)]
    [Register("AVAssetTrack", true)]
    public class AVAssetTrack : NSObject, INSCopying, INativeObject, IDisposable
    {
        public static class Notifications
        {
            public static NSObject! ObserveTimeRangeDidChange(EventHandler<NSNotificationEventArgs!>! handler);
        }
    }
}