/**
  * {@inheritdoc}
  */
 public function enterNode(\Twig_NodeInterface $node, \Twig_Environment $env)
 {
     if ($node instanceof RegionNode) {
         $this->regions[] = $node->getAttributes();
         return $node;
     }
     if ($node instanceof \Twig_Node_Include) {
         $this->includes[] = $node->getNode('expr')->getAttribute('value');
         return $node;
     }
     return $node;
 }