<serviceGroup>
 <service name="EchoService">
  <messageReceivers>
   <messageReceiver mep="http://www.w3.org/2004/08/wsdl/in-out" class="server.EchoServiceMessageReceiverInOut"/>
  </messageReceivers>
  <parameter locked="false" name="ServiceClass">server.EchoServiceSkeleton</parameter>
  <operation name="echoString" mep="http://www.w3.org/2004/08/wsdl/in-out">
    <actionMapping/>
  </operation>
 </service>
</serviceGroup>