class DelegateNativeContext2D implements INativeContext2D {

    public void clearRect(double x, double y, double w, double h) {
        context.clearRect(x, y, w, h);
    }

    public  DelegateNativeContext2D(IContext2D context, AbstractCanvasHandler canvasHandler);
      DelegateNativeContext2D(IContext2D context, AbstractCanvasHandler canvasHandler, Converter converter);

}