anchor.diff:    CoreElement _sourcePathDiv;
   
     SourceEditor sourceEditor;
  -  DebuggerState debuggerState;
     CallStackView callStackView;
     VariablesView variablesView;
     BreakpointsView breakpointsView;
  
positive.code:     consoleArea.refresh();
    }
  
    CoreElement _buildMenuNav() {
      callStackView = new CallStackView();
  
  
negative.code: 
  class DebuggerScreen extends Screen {
    DebuggerScreen()
        : debuggerState = new DebuggerState(),
          super(name: 'Debugger', id: 'debugger', iconClass: 'octicon-bug') {
      deviceStatus = new StatusItem();
      addStatusItem(deviceStatus);
    }
  
    final DebuggerState debuggerState;
  
    bool _initialized = false;
  
    StatusItem deviceStatus;
  
  