 MAY be used.
 An implementation MUST be able to retrieve the <code>portName</code> from the
 <code>endpointReference</code> metadata.
 <p>
 This method behaves the same as calling
 <pre>
 <code>dispatch = service.createDispatch(portName, type, mode, features);</code>
 </pre>
 where the <code>portName</code> is retrieved from the
 WSDL or <code>EndpointReference</code> metadata.</div>
<dl>
<dt><span class="paramLabel">Type Parameters:</span></dt>
<dd><code>T</code> - type of object used to messages or messa