{"ast_node_type":"other","tokens":[{"end":55,"kind":"keyword","start":0,"text":"Some((index,"}]}
            Some((index, _)) => TokenTree::token_alone(
        MetaVarExpr::Index(depth) => match tscx.repeats.iter().nth_back(depth) {
                TokenKind::lit(token::Integer, sym::integer(*index), None),