anchor.diff:  ''',
     directives: const [NgIf, NgFor, NgClass, BenchmarkCard, BenchmarkHistory],
   )
  +
   class BenchmarkGrid implements OnInit, OnDestroy {
     BenchmarkGrid(this._httpClient);
   
  
positive.code:   bool _isShowArchived = false;
  
    String _taskTextFilter;
    bool get isShowArchived => _isShowArchived;
  
    /// If not `null` the benchmark whose history is shown on screen.
  
negative.code:     isLoading = true;
      Map<String, dynamic> statusJson = JSON.decode((await _httpClient.get('/api/get-benchmarks')).body);
      _benchmarks = GetBenchmarksResult.fromJson(statusJson).benchmarks;
      Map<String,String> parameters = Uri.parse(window.location.href).queryParameters;
      _taskTextFilter = parameters != null ? parameters['filter'] : null;
      applyTextFilter(_taskTextFilter);
      isLoading = false;
    }
  
  