{"ast_node_type":"other","tokens":[{"end":99,"kind":"keyword","start":0,"text":"iter.find(|(_,"}]}
                    iter.find(|(_, ch)| ch.is_whitespace()).map_or(to_write.len(), |(idx, _)| idx);
                let ws_idx =
                writeln!(buf, "{}", &to_write[..ws_idx])?;