{"ast_node_type":"variable","tokens":[{"end":71,"kind":"keyword","start":0,"text":"let"}]}
        let flip_cond = invert_boolean_expression_legacy(cond.clone());
    acc.add(AssistId::refactor_rewrite("invert_if"), "Invert if", if_range, |edit| {
        edit.replace_ast(cond, flip_cond);