anchor.diff:      });
     }
   
  -  Duration toDuration(num value) {
  +  /// Converts a number to duration
  +  Duration _toDuration(num value) {
       if (value is int) {
         return Duration(seconds: value);
       } else if (value is double) {
  
positive.code:     }
    }
  
    void open(AssetsAudio assetAudio) async {
      String assetName = assetAudio.asset;
      if (assetName.startsWith("/")) {
  
negative.code:   }
  }
  
  /// The real AssetsAudioPlayer plugin (non-static)
  class AssetsAudioPlayerPlugin {
    /// The channel between the native and Dart
    final MethodChannel _channel = const MethodChannel('assets_audio_player');
  
    /// Then mediaplayer playing state (mutable)
    final BehaviorSubject<bool> _isPlaying =
        BehaviorSubject<bool>(seedValue: false);
      /// Then mediaplayer playing state (immutable)
    ValueObservable<bool> get isPlaying => _isPlaying.stream;
  
    /// Then mediaplayer playing audio (mutable)
    final BehaviorSubject<PlayingAudio> _current =
        BehaviorSubject<PlayingAudio>();
    /// Then mediaplayer playing audio (immutable)
    ValueObservable<PlayingAudio> get current => _current.stream;
  
    /// Called when the playing song finished (mutable)
    final BehaviorSubject<bool> _finished =
        BehaviorSubject<bool>(seedValue: false);
    /// Called when the playing song finished (immutable)
    ValueObservable<bool> get finished => _isPlaying.stream;
  
    /// Then current playing song position (in seconds) (mutable)
    final BehaviorSubject<Duration> _currentPosition =
        BehaviorSubject<Duration>(seedValue: const Duration());
    /// Then current playing song position (in seconds) (immutable)
    Stream<Duration> get currentPosition => _currentPosition.stream;
  
    /*
  