declare const _default: {
    get: (el: any) => number;
    set: (key: any, el: any, baseZIndex: any) => void;
    clear: (el: any) => void;
    getCurrent: () => any;
    generateZIndex: (key: any, baseZIndex: any) => any;
    revertZIndex: (zIndex: any) => void;
};
export default _default;