anchor.diff:      };
   
       var getDOMNode = () {
  -      return _React.callMethod('findDOMNode', [jsThis]);
  +      return _ReactDom.callMethod('findDOMNode', [jsThis]);
       };
   
       Component component = componentFactory()
  
positive.code:   // which has jsComponent closured inside and calls on it findDOMNode
    if (component is Component) return component.getDOMNode();
    //otherwise we have js component so pass it in findDOM node
    return _React.callMethod('findDOMNode', [component]);
  }
  
  void setClientConfiguration() {
  
negative.code:       new JsFunction.withThis((JsObject jsThis, prevProps, prevState, prevContext) => zone.run(() {
      var prevInternalProps = _getInternalProps(prevProps);
      //you don't get root node as parameter but need to get it directly
      var rootNode = _ReactDom.callMethod('findDOMNode', [jsThis]);
      Component component = _getComponent(jsThis);
      component.componentDidUpdate(prevInternalProps, component.prevState, rootNode);
    }));
  