anchor.diff:  
   part of hop_tasks;
   
  -class AnalyzerResult {
  +class _AnalyzerResult {
     final ProcessResult processResult;
     final Path path;
   
  -  AnalyzerResult(this.path, this.processResult);
  +  _AnalyzerResult(this.path, this.processResult);
   
     String toString() {
       return "${_getPrefix(processResult.exitCode)}: $path";
  
positive.code:     then((_) => _processResults(context, results, verbose));
  }
  
  Future<AnalyzerResult> _analyzer(TaskContext context, Path filePath, bool enableTypeChecks) {
    TempDir tmpDir;
  
    return TempDir.create()
  
negative.code:           sb.add("Exit Code 127");
            throw sb.toString();
          } else {
            var analyzerResult = new _AnalyzerResult(filePath, processResult);
            return analyzerResult;
          }
        })
  