tReference</code> instances <code>wsa:metadata</code>
 element.</dd>
<dd><code>wsdlDocumentLocation</code> - URL for the WSDL document location for
 the service.</dd>
<dd><code>referenceParameters</code> - Reference parameters to be associated
 with the returned <code>EndpointReference</code> instance.</dd>
<dd><code>elements</code> - extension elements to be associated
 with the returned <code>EndpointReference</code> instance.</dd>
<dd><code>attributes</code> - extension attributes to be associated
 with 