anchor.diff:          libraries.addAll(library.exportedLibraries);
         }
       });
  +    double seconds = stopwatch.elapsedMilliseconds / 1000.0;
  +    print(
  +           "\nParsed ${libraries.length} " "librar${libraries.length == 1 ? 'y' : 'ies'} in " "${seconds.toStringAsFixed(1)} seconds.\n");
       return libraries.toList();
     }
   
  
positive.code:   final Set<LibraryElement> libraries = new Set();
    final List<Generator> _generators;
  
    Directory out;
  
    DartDoc(this._rootDir, this._excludes, this._sdkDir, this._generators,
  
negative.code: 
    /// Generate the documentation
    void generateDocs() {
      stopwatch = new Stopwatch();
      stopwatch.start();
  
      var files = _sdkDocs ? [] : findFilesToDocumentInPackage(_rootDir.path);
  