@Override
  void readChildConstraints(final Element constraintsElement, final LwComponent component) {
    final Element xyElement = LwXmlReader.getChild(constraintsElement, "xy");
    if(xyElement != null){
      component.setBounds(
        new Rectangle(
          LwXmlReader.getRequiredInt(xyElement, "x"),
          LwXmlReader.getRequiredInt(xyElement, "y"),
          LwXmlReader.getRequiredInt(xyElement, "width"),
          LwXmlReader.getRequiredInt(xyElement, "height")
        )
      );
    }
  }
@Override
  void readChildConstraints(final Element constraintsElement, final LwComponent component)