private function upgradeWebspace(Webspace $webspace)
{
$sessionManager = $this->container->get('sulu.phpcr.session');
$node = $sessionManager->getContentNode($webspace->getKey());
foreach ($webspace->getAllLocalizations() as $localization) {
$locale = $localization->getLocalization();
$propertyName = $this->getPropertyName(self::SHADOW_ON_PROPERTY, $locale);
$this->upgradeNode($node, $propertyName, $locale);
}
}