{"ast_node_type":"other","tokens":[{"end":61,"kind":"keyword","start":0,"text":"left:"}]}
                                left: r1.span.shrink_to_lo(),
                            err.chaining_sugg = Some(ComparisonOperatorsCannotBeChainedSugg::Parenthesize {
                                right: r2.span.shrink_to_hi(),