namespace AudioToolbox
{
    [Deprecated(PlatformName.iOS, 7, 0, PlatformArchitecture.None, "Use 'AVAudioSession' instead.")]
    public static class AudioSession
    {
        public delegate void PropertyListener(AudioSessionProperty prop, int size, IntPtr data);
        {
            public virtual void EndInvoke(IAsyncResult result);
        }
    }
}