public CffProgressiveDownloaderPlugin()
 {
     parser = new ProgressiveCffFileParser();
     downloaderPluginBase = new CffDownloaderPlugin(parser);
 }
 public CffOfflineDownloaderPlugin()
 {
     parser = new OfflineCffFileParser();
     downloaderPluginBase = new CffDownloaderPlugin(parser);
 }
 public CffOfflineDownloaderPlugin()
 {
     parser = new OfflineCffFileParser();
     downloaderPluginBase = new CffDownloaderPlugin(parser);
 }
 public CffProgressiveDownloaderPlugin()
 { 
     parser = new ProgressiveCffFileParser();
     downloaderPluginBase = new CffDownloaderPlugin(parser);
 }