public function createUrl(array $path, $locale)
 {
     $url = '/';
     $url .= \Psc\A::implode($path, '/', function ($node) use($locale) {
         return $node->getSlug($locale);
     });
     return $url;
 }
 protected function debugFlat($nodes)
 {
     return "\n" . \Psc\A::implode($nodes, "\n", function ($node) {
         return $node->title->de;
     });
 }