{"ast_node_type":"import","tokens":[{"end":77,"kind":"keyword","start":0,"text":"//"}]}
    // `pre_link_arg` is omitted because it just forwards to `pre_link_args`.
    untracked!(parse_crate_root_only, true);
    untracked!(pre_link_args, vec![String::from("abc"), String::from("def")]);