/**
  * Clean up a given document.
  *
  * @param      AgaviXmlConfigDomDocument The document to clean up.
  *
  * @author     David Zülke <*****@*****.**>
  * @since      0.11.0
  */
 public static function cleanup(AgaviXmlConfigDomDocument $document)
 {
     // remove top-level <sandbox> element
     if ($sandbox = $document->getSandbox()) {
         $sandbox->parentNode->removeChild($sandbox);
     }
 }