code: public void deleteIfMatch(URI uri, String eTag, String assertedUserId)
  			throws IOException {
  		deleteIfMatch(uri, eTag, assertedUserId, null);
  	}
docs: /*
  (non-Javadoc)
  
  @see
  org.restcomm.slee.enabler.xdmc.XDMClientControl#deleteIfMatch(java.net
  .URI, java.lang.String, java.lang.String)