* value is not suitable.
*
* @param doc The SOAP envelope as W3C document
*/
public void prepare(Document doc) {
ts = new Timestamp(getWsConfig().isPrecisionInMilliSeconds(), doc,
getWsConfig().getCurrentTime(), timeToLive);
String tsId = getWsConfig().getIdAllocator().createId("TS-", ts);
ts.setID(tsId);
}