namespace AVFoundation
{
    [Introduced(PlatformName.WatchOS, 3, 0, PlatformArchitecture.All, null)]
    [Register("AVAudioSession", true)]
    [Unavailable(PlatformName.MacOSX, PlatformArchitecture.All, null)]
    public class AVAudioSession : NSObject
    {
        public static class Notifications
        {
            public static NSObject! ObserveInterruption(NSObject! objectToObserve, EventHandler<AVAudioSessionInterruptionEventArgs!>! handler);
        }
    }
}