anchor.diff:          if (batch != null) {
             results.addAll(
                 (await _api.import.getImportBatchResults(batch.id)).items);
  +            this.batch = batches.firstWhere((ImportBatch b) => b.id==batch.id);
           }
         }, after: () async {
           pageControl.clearProgress();
  
positive.code:   new SelectionModel<ImportBatch>.withList();
  
    void onSelectionChanged(dynamic test) {
      refresh();
    }
  
  
negative.code: 
    final List<ImportBatch> batches = <ImportBatch>[];
  
    ImportBatch batch;
  
    ImportPage(PageControlService pageControl, this._api, this._auth,
        Router router)
  