class SwingTree extends AbstractSwingContainer implements XulTree {

  public XulTreeChildren getRootChildren() {
    if ( rootChildren == null ) {
      rootChildren = (XulTreeChildren) this.getChildNodes().get( 1 );
    }
    return rootChildren;
  }

  public  SwingTree( Element self, XulComponent parent, XulDomContainer domContainer, String tagName );

}