final SVGOMElement svgelt = (SVGOMElement)elt;
SVGContext svgctx = svgelt.getSVGContext();
if (svgctx == null) return null;
if (svgctx.getBBox() == null) return null;
return new SVGRect() {
public float getX() {
return (float)svgelt.getSVGContext().getBBox().getX();
}
public void setX(float x) throws DOMException {
throw svgelt.createDOMException