anchor.diff:      int count = 4,
       math.Random random,
     }) {
  +    return const <PkgOfWeekVideo>[];
  +    /*
       if (_packageOfWeekVideos == null) {
         return const <PkgOfWeekVideo>[];
       }
  
positive.code:       final youtube = YoutubeApi(apiClient);
        await _updatePoWVideos(youtube);
        httpClient.close();
      });
    }
  
    Future _updatePoWVideos(YoutubeApi youtube) async {
  
negative.code: 
    /// Loads the data from Youtube and caches locally.
    Future<void> update() async {
      /*
      await retry(() async {
        final apiKey = Platform.environment['YOUTUBE_API_KEY'] ??
            await secretBackend.lookup(SecretKey.youtubeApiKey);
  