[DllImport("__Internal")] private static extern void _setSMSSubscriptionStateChangedCallback(StateListenerDelegate callback);
[DllImport("__Internal")] private static extern void _setPermissionStateChangedCallback(StateListenerDelegate callback);
[DllImport("__Internal")] private static extern void _setSMSSubscriptionStateChangedCallback(StateListenerDelegate callback);
[DllImport("__Internal")] private static extern void _setPermissionStateChangedCallback(StateListenerDelegate callback);