uel.setElement(pr);
uel.setElementType(DOMUtils.getElementQName(pr));
bindingInfo.addExtensor(uel);
writer = new W3CDOMStreamWriter();
writer.writeStartElement("wsp", "Policy", Constants.URI_POLICY_NS);
writer.writeAttribute("wsu", PolicyConstants.WSU_NAMESPACE_URI,
PolicyConstants.WSU_ID_ATTR_NAME, polRefId.toString());
writer.writeStartElement("wsam", "Addressing", JAXWSAConstants.NS_WSAM);
if (!addressing.required()) {
writer.writeAttribute("wsp", Constants.URI_POLICY_NS,