/**
  * Analyze resources and collect nodes of OroAsseticNode
  *
  * @return OroAsseticNode[]
  */
 protected function loadAssets()
 {
     $result = array();
     foreach ($this->am->getResources() as $resources) {
         if (!$resources instanceof IteratorResourceInterface) {
             $resources = array($resources);
         }
         /**@var $resource FileResource */
         foreach ($resources as $resource) {
             $tokens = $this->twig->tokenize($resource->getContent(), (string) $resource);
             $nodes = $this->twig->parse($tokens);
             $result += $this->loadNode($nodes);
         }
     }
     return $result;
 }