public List<Extension> releaseExport(
@WebParam(name = "registrationContext", targetNamespace = "urn:oasis:names:tc:wsrp:v2:types") RegistrationContext registrationContext,
@WebParam(name = "exportContext", targetNamespace = "urn:oasis:names:tc:wsrp:v2:types") byte[] exportContext,
@WebParam(name = "userContext", targetNamespace = "urn:oasis:names:tc:wsrp:v2:types") UserContext userContext)
{
ReleaseExport releaseExport = WSRPTypeFactory.createReleaseExport(registrationContext, exportContext, userContext);
producer.releaseExport(releaseExport);
//release export isn't suppose to return anything
return new ArrayList<Extension>();