InstanceManagement wsdl return invalid response for delete operation.

if we call the "delete" operation, the soap response result is the following :
<soapenv:Envelope xmlns:soapenv="http://schemas.xmlsoap.org/soap/envelope/">
<soapenv:Body>
<axis2ns2:deleteResponse xmlns:axis2ns2="http://www.apache.org/ode/pmapi">
<list>
<element>491532</element>
</list>
</axis2ns2:deleteResponse>
</soapenv:Body>
</soapenv:Envelope>

the expected type as described in the wsdl is :

• <message name="deleteOutput">
  <part name="iids" type="tns:iidsType" />
  </message>

so since the runtime output result is not valid , we couldn't call the instance management service, for a workaround solution we have modified
the wsdl to the
following :

<message name="deleteOutput">
<part name="list" type="tns:listType"/>
</message>

with the "listType" complex type already defined in the wsdl.