anchor.diff:    static final _ANALYTICS_ID = 'UA-45578231-1';
   
     AceEditor editor;
  -  wkspace.Workspace workspace;
  +  ws.Workspace workspace;
     EditorManager editorManager;
     analytics.Tracker tracker = new analytics.NullTracker();
   
  
positive.code:       close();
      });
  
      workspace = new wkspace.Workspace(localPrefs);
      editor = new AceEditor();
      editorManager = new EditorManager(workspace, editor, localPrefs);
  
  
negative.code: import 'lib/ui/files_controller.dart';
  import 'lib/ui/files_controller_delegate.dart';
  import 'lib/ui/widgets/splitview.dart';
  import 'lib/workspace.dart' as ws;
  import 'test/all.dart' as all_tests;
  
  /**
  