s parameter controls whether the user will work with
 SOAP messages or the contents of a SOAP body. Mode MUST be <code>MESSAGE</code>
 when type is <code>SOAPMessage</code>.</dd>
<dd><code>features</code> - A list of <code>WebServiceFeatures</code> to configure on the
                proxy.  Supported features not in the <code>features
                </code> parameter will have their default values.</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>Dispatch instance</dd>
<dt><span class="throwsLa