/**
  * Parse the specified XML into an directory response message object
  *
  * @param SimpleXMLElement $xml
  */
 public static function parse_create_date(SimpleXMLElement $xml, self $message)
 {
     if ($xml->createDateTimestamp) {
         $date = new DateTime((string) $xml->createDateTimestamp);
         $message->set_create_date($date);
     }
     return $message;
 }
 /**
  * Constructs and initialize an directory response message
  */
 public function __construct()
 {
     parent::__construct(self::NAME);
 }