import * as React from "react";
import { ConfigConsumerProps } from "../Config";
interface ICountdownProps {
    /**
     * 内容渲染函数，用于渲染时间展示在页面上的内容
     *
     *
     **/
    children: (data: {
        dayStr: string;
        hourStr: string;
        minuteStr: string;
        secondStr: string;
        dayNum: number;
        hourNum: number;
        minuteNum: number;
        secondNum: number;
    } | {}) => {};
    /**
     * 需要倒计时的时间，单位为秒
     *
     *
     **/
    leftTime: number;
    /**
     * 倒计时结束时的回调函数
     *
     * @default () => null
     **/
    onEnd?: () => void;
    /**
     * 倒计时结束后展示文案
     *
     * @default "活动结束"
     **/
    overText?: string;
    /**
     * 组件自定义类名
     *
     * @default ""
     **/
    className?: string;
    /**
     * 	默认前缀
     *
     * @default 'lg'
     **/
    prefixCls?: string;
}
interface ICountState {
    seconds: number;
}
declare class Countdown extends React.PureComponent<ICountdownProps, ICountState> {
    static defaultProps: {
        overText: string;
        onEnd: () => null;
        className: string;
    };
    constructor(props: ICountdownProps);
    componentDidMount(): void;
    componentWillUnmount(): void;
    countDown(): void;
    renderCountdown: ({ getPrefixCls }: ConfigConsumerProps) => JSX.Element;
    render(): JSX.Element;
}
export default Countdown;