public List<Extension> deregister(
@WebParam(name = "registrationContext", targetNamespace = "urn:oasis:names:tc:wsrp:v2:types") RegistrationContext registrationContext,
@WebParam(name = "userContext", targetNamespace = "urn:oasis:names:tc:wsrp:v2:types") UserContext userContext
) throws InvalidRegistration, OperationFailed, OperationNotSupported, ResourceSuspended
{
Deregister deregister = WSRPTypeFactory.createDeregister(registrationContext, userContext);
producer.deregister(deregister);
return Collections.emptyList();
}