import { FormatData } from '../MeAPI/types';
import { Props, Emits } from './types';
import { Ref } from 'vue';
/**
 * 倒计时
 */
export declare const useCountdown: (props: Readonly<Required<Props>>, emit: Emits) => {
    formatAfter: Ref<{
        DD?: string | undefined;
        hh?: string | undefined;
        mm?: string | undefined;
        ss?: string | undefined;
        ms?: number | undefined;
    }, Partial<FormatData> | {
        DD?: string | undefined;
        hh?: string | undefined;
        mm?: string | undefined;
        ss?: string | undefined;
        ms?: number | undefined;
    }>;
};