{"ast_node_type":"variable","tokens":[{"end":21,"kind":"keyword","start":0,"text":"let"}]}
        let edition =
    fn try_to_nav(&self, db: &RootDatabase) -> Option<UpmappingResult<NavigationTarget>> {
            self.def.module(db).map(|it| it.krate().edition(db)).unwrap_or(Edition::CURRENT);