{"ast_node_type":"variable","tokens":[{"end":79,"kind":"keyword","start":0,"text":"let"}]}
    let receiver_range = ctx.sema.original_range_opt(receiver.syntax())?.range;
) -> Option<impl Fn(&str, &str, &str) -> Builder + 'ctx> {
    if ctx.source_range().end() < receiver_range.start() {