/**
  * @param \Pimcore\Model\Object\Concrete $object
  * @param string $method
  * @return bool
  */
 private function isUsingI18n(Pimcore\Model\Object\Concrete $object, $method)
 {
     $modelId = $object->getClassId();
     // Stolen from Object_Class_Resource - it's protected there.
     $file = PIMCORE_CLASS_DIRECTORY . "/definition_" . $modelId . ".psf";
     if (!is_file($file)) {
         return false;
     }
     $tree = unserialize(file_get_contents($file));
     $definition = $this->parse_tree($tree, array());
     return $definition[$method];
 }