export declare const zIndex: {
    auto: string;
    "0": number;
    "10": number;
    "20": number;
    "30": number;
    "40": number;
    "50": number;
    below: number;
    default: number;
    popup: number;
    dialog: number;
    dropdown: number;
    overlay: number;
    menu: number;
    modal: number;
    toast: number;
    max: number;
};