private function seedUGroupMapping()
 {
     if ($this->project->isPublic()) {
         db_query($this->seedProjectUGroupMappings($this->project->getID(), MediawikiUserGroupsMapper::$DEFAULT_MAPPING_PUBLIC_PROJECT));
     } else {
         db_query($this->seedProjectUGroupMappings($this->project->getID(), MediawikiUserGroupsMapper::$DEFAULT_MAPPING_PRIVATE_PROJECT));
     }
 }