696     public static class NetworkCallback {  class in ConnectivityManager
762             @NonNull NetworkCallback networkCallback) {}  in requestNetwork()
765             @NonNull NetworkCallback networkCallback) {}  in requestNetwork()
768             @NonNull NetworkCallback networkCallback, @NonNull Handler handler) {}  in requestNetwork()
771             @NonNull NetworkCallback networkCallback, int timeoutMs) {}  in requestNetwork()
774             @NonNull NetworkCallback networkCallback, @NonNull Handler handler, int timeoutMs) {}  in requestNetwork()
787             @NonNull NetworkCallback networkCallback) {}  in registerNetworkCallback()
790             @NonNull NetworkCallback networkCallback, @NonNull Handler handler) {}  in registerNetworkCallback()
795     public void registerDefaultNetworkCallback(@NonNull NetworkCallback networkCallback) {}  in registerDefaultNetworkCallback()
797     public void registerDefaultNetworkCallback(@NonNull NetworkCallback networkCallback,  in registerDefaultNetworkCallback()
804     public void unregisterNetworkCallback(@NonNull NetworkCallback networkCallback) {}  in unregisterNetworkCallback()