protected void readConstraintsForChild(final Element element, final LwComponent component){
    if (myLayoutSerializer != null) {
      final Element constraintsElement = LwXmlReader.getRequiredChild(element, "constraints");
      myLayoutSerializer.readChildConstraints(constraintsElement, component);
    }
  }
protected void readConstraintsForChild(final Element element, final LwComponent component)