anchor.diff:    void addFile(String path) {
       _explicitFiles.add(path);
       _filesToAnalyze.add(path);
  +    _transitionToAnalyzing();
       _hasWork.notify();
     }
   
  
positive.code:   void set priorityFiles(List<String> priorityPaths) {
      _priorityFiles.clear();
      _priorityFiles.addAll(priorityPaths);
      _hasWork.notify();
    }
  
  
negative.code:       while (true) {
          await _hasWork.signal;
  
          if (analysisSection == null) {
            analysisSection = _logger.enter('Analyzing');
          }
  