{"ast_node_type":"other","tokens":[{"end":52,"kind":"keyword","start":0,"text":"if"}]}
        if known_links.contains(&path_in_incr_dir) {
        let path_in_incr_dir = in_incr_comp_dir_sess(sess, &file_name);
            let _ = saved_files.insert(ext.to_string(), file_name);