message deleteOrphanReferencesRequest
parts 
parameter
element admin:deleteOrphanReferences
used by 
Operation deleteOrphanReferences in PortType AdminService
source  
<wsdl:message name="deleteOrphanReferencesRequest">
  <wsdl:part name="parameter" element="admin:deleteOrphanReferences"/>
</wsdl:message>

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