class GwtDOMHandler {

    public Attr setAttributeNS(final Node node,
                               final String namespaceURI,
                               final String qualifiedName,
                               final String value) {
        final Element e = (Element) node;
        e.setAttribute(qualifiedName, value);
        return e.getAttributeNode(qualifiedName);
    }

    public  GwtDOMHandler(final Document document);

}