anchor.diff:        new VMServiceClient.connect('http://127.0.0.1:${debugInfo.port}');
     VMIsolateRef isolateRef = await vmClient.onIsolateStart.first;
   
  +  await setHighlights(isolateRef, []);
  +
  +
   //  var m = hotRunner.currentView.uiIsolate.flutterDebugReturnElementTree();
   //  print(await m);
   
  
positive.code: 
  }
  
  
  
  // VM Support methods
  
  
  
  Future<VMLibrary> _getLibrary(VMIsolateRef isolateRef, String name) async {
    VMRunnableIsolate isolate = await isolateRef.loadRunnable();
  
negative.code: 
  // UI Support methods
  
  const DIAGNOSTICS_PATH = '/lib/diagnostics.dart';
  
  setHighlights(VMIsolateRef isolateRef, List<int> highlightIds) async {
    VMLibrary lib = await _getLibrary(isolateRef, DIAGNOSTICS_PATH);
    VMFieldRef highlightIdsField = lib.fields['highlightIds'];
    Map originMap = await loadRef(lib.fields['originMap']);
    List existinghighlightIds = await loadRef(highlightIdsField);
  