static function getFieldNameAlias($field)
 {
     $mod = self::loadModification($field);
     if (substr($field['field_name'], -3) == '_id') {
         if ($name = LsVersionable::getRelationAliasByModelAndFieldName($mod['object_model'], $field['field_name'])) {
             return $name;
         }
     }
     return null;
 }