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