anchor.diff:    }
   
     /// Wrapper for [Component.componentWillReceiveProps].
  -  var componentWillReceiveProps =
  -      allowInteropCaptureThis((ReactComponent jsThis, InteropProps newArgs, [reactInternal]) => zone.run(() {
  +  void componentWillReceiveProps(ReactComponent jsThis, InteropProps newArgs, [reactInternal]) => zone.run(() {
       var component = jsThis.props.internal.component;
       var nextProps = _getNextProps(component, newArgs);
       component.nextProps = nextProps;
       component.componentWillReceiveProps(nextProps);
  -  }));
  +  });
   
     /// Wrapper for [Component.shouldComponentUpdate].
  -  var shouldComponentUpdate =
  -      allowInteropCaptureThis((ReactComponent jsThis, InteropProps newArgs, nextState, nextContext) => zone.run(() {
  +  bool shouldComponentUpdate(ReactComponent jsThis, InteropProps newArgs, nextState, nextContext) => zone.run(() {
       Component component = jsThis.props.internal.component;
   
       if (component.shouldComponentUpdate(component.nextProps, component.nextState)) {
  
positive.code:   var zone = Zone.current;
  
    /// Wrapper for [Component.getDefaultProps].
    var getDefaultProps = allowInterop(() => zone.run(() {
      return new EmptyObject();
    }));
  
    /// Wrapper for [Component.getInitialState].
    var getInitialState = allowInteropCaptureThis((ReactComponent jsThis) => zone.run(() {
      var internal = jsThis.props.internal;
      var redraw = () {
        if (internal.isMounted) {
  
negative.code: 
      component.initStateInternal();
      return new EmptyObject();
    });
  
    /// Wrapper for [Component.componentWillMount].
    void componentWillMount(ReactComponent jsThis) => zone.run(() {
      var internal = jsThis.props.internal;
      internal.isMounted = true;
      internal.component
          ..componentWillMount()
          ..transferComponentState();
    });
  
    /// Wrapper for [Component.componentDidMount].
    void componentDidMount(ReactComponent jsThis) => zone.run(() {
      jsThis.props.internal.component.componentDidMount();
    });
  
    _getNextProps(Component component, InteropProps newArgs) => zone.run(() {
      var newProps = newArgs.internal.props;
      return newProps != null ? new Map.from(newProps) : {};
    });
  
    /// 1. Add [component] to [newArgs] to keep it in [InteropProps.internal]
    /// 2. Update [Component.props] using the value stored to [Component.nextProps]
  