public static extern void PeerConnectionRegisterOnTrack(IntPtr ptr, DelegateNativeOnTrack callback);
public static extern void PeerConnectionRegisterOnTrack(IntPtr ptr, DelegateNativeOnTrack rtpTransceiverInterface);
public static extern void PeerConnectionRegisterOnTrack(IntPtr ptr, DelegateNativeOnTrack callback);
public static extern void PeerConnectionRegisterOnTrack(IntPtr ptr, DelegateNativeOnTrack rtpTransceiverInterface);