{"ast_node_type":"variable","tokens":[{"end":94,"kind":"keyword","start":0,"text":"let"}]}
                    let left_span = span.with_hi(span.lo() + BytePos::from_usize(left.len()));
                let (left_span, dot_span) = if can_take_span_apart() {
                    let dot_span = span.with_lo(left_span.hi());