type Return = {
    status: 200;
    file_path: string;
} | {
    status: 403 | 404;
};
/**
 * Maps a URL path onto a file in `dir`, in this order:
 * - `..` segments (encoded or not) are resolved against `/`, so they
 *   can never climb above `dir`; the 403 check is a second guard
 * - 404 if there is no such file (so callers can fall through to pages)
 * - 403 if a symlink points outside `dir`
 */
export default function resolvePublicFile(dir: string, url_path: string): Return;
export {};