message getDocumentContentResponse
parts 
getDocumentContentResponse
element doc:GetDocumentContentResponse
used by 
Operation getDocumentContent in PortType DocumentService
source 
<wsdl:message name="getDocumentContentResponse">
  <wsdl:part name="getDocumentContentResponse" element="doc:GetDocumentContentResponse"/>
</wsdl:message>

WSDL documentation generated by XMLSpy WSDL Editor http://www.altova.com/xmlspy