{"ast_node_type":"variable","tokens":[{"end":69,"kind":"keyword","start":0,"text":"let"}]}
                    let lo = span.lo() + BytePos(i as u32 + padding);
                TEXT_FLOW_CONTROL_CHARS.contains(&c).then(|| {
                    (c, span.with_lo(lo).with_hi(lo + BytePos(c.len_utf8() as u32)))