/**
  * {@inheritdoc}
  */
 public function unsetValueFor($arrIds, $strLangCode)
 {
     parent::unsetDataFor($arrIds);
 }
 /**
  * {@inheritdoc}
  */
 public function getAttributeSettingNames()
 {
     return array_diff(parent::getAttributeSettingNames(), array('select_table', 'select_column', 'select_id', 'select_alias'));
 }