namespace AVFoundation
{
    [Introduced(PlatformName.WatchOS, 3, 0, PlatformArchitecture.All, null)]
    [Register("AVAudioSession", true)]
    [Unavailable(PlatformName.MacOSX, PlatformArchitecture.All, null)]
    public class AVAudioSession : NSObject
    {
        [Obsolete("Use 'AVAudioSession.Notification.ObserveAudioRouteChange', this event does nothing.")]
        public event EventHandler<AVChannelsEventArgs> InputChannelsChanged;
    }
}