final PathElement confElem = address.getElement(address.size() - 2);
final String configType = confElem.getKey();
final String configName = confElem.getValue();
final String propertyValue = operation.has(VALUE) ? Attributes.VALUE.resolveModelAttribute(context,operation).asString() : null;
final PropertyService service = new PropertyService(propertyName, propertyValue);
final ServiceTarget target = context.getServiceTarget();
final ServiceName configServiceName = getConfigServiceName(configType, configName);
if (context.getServiceRegistry(false).getService(configServiceName) == null) {
throw WSLogger.ROOT_LOGGER.missingConfig(configName);
}