@InjectService("tapestry.internal.UpdateListenerHub")
UpdateListenerHub updateListenerHub,
@InjectService("tapestry.internal.ClasspathAssetFactory")
AssetFactory classpathAssetFactory)
{
ValidationMessagesSourceImpl service = new ValidationMessagesSourceImpl(configuration,
classpathAssetFactory.getRootResource());
updateListenerHub.addUpdateListener(service);
return service;