{"ast_node_type":"other","tokens":[{"end":99,"kind":"keyword","start":0,"text":"*self.index.ensure_contains_elem(def_id,"}]}
            *self.index.ensure_contains_elem(def_id, || AstOwner::NonOwner) = AstOwner::Item(item);
            let def_id = self.node_id_to_def_id[&item.id];
            visit::walk_item(self, item)