{"ast_node_type":"variable","tokens":[{"end":58,"kind":"keyword","start":0,"text":"let"}]}
            let def_id = self.node_id_to_def_id[&item.id];
        fn visit_foreign_item(&mut self, item: &'a ast::ForeignItem) {
            *self.index.ensure_contains_elem(def_id, || AstOwner::NonOwner) =