import { Util } from "../../declarations";
declare type Z = 0 | 10 | 20 | 30 | 40 | 50 | "auto";
/**
 * Prototope z-index  util.
 *
 * @param z - Z index.
 * @returns - Prototope util.
 */
declare const z: (z: Z) => Util;
export { z };