/**
  * Copy multilinguality settings
  *
  * @param string $a_target_parent_type parent object type
  * @param int $a_target_parent_id parent object id
  * @return ilPageMultiLang target multilang object
  */
 function copy($a_target_parent_type, $a_target_parent_id)
 {
     if ($this->getActivated()) {
         $target_ml = new ilPageMultiLang($a_target_parent_type, $a_target_parent_id);
         $target_ml->setMasterLanguage($this->getMasterLanguage());
         $target_ml->setLanguages($this->getLanguages());
         $target_ml->save();
         return $target_ml;
     }
     return null;
 }