/**
 *
 * This file may have been modified by Bytedance Inc. (“Bytedance Inc.'s Modifications”). 
 * All Bytedance Inc.'s Modifications are Copyright (year) Bytedance Inc..  
 * 
 * This source code is licensed under the Apache license.
 * See LICENSE file in the project root for license information.
 *
 */
import * as React from 'react';
import { StatisticProps } from './Statistic';
import { countdownValueType, FormatConfig } from './utils';
interface CountdownProps extends StatisticProps {
    value?: countdownValueType;
    format?: string;
    onFinish?: () => void;
}
declare class Countdown extends React.Component<CountdownProps, {}> {
    static defaultProps: Partial<CountdownProps>;
    countdownId?: number;
    componentDidMount(): void;
    componentDidUpdate(): void;
    componentWillUnmount(): void;
    syncTimer: () => void;
    startTimer: () => void;
    stopTimer: () => void;
    formatCountdown: (value: React.ReactText, config: FormatConfig) => string;
    valueRender: (node: React.ReactElement<HTMLDivElement, string | ((props: any) => React.ReactElement<any, any> | null) | (new (props: any) => React.Component<any, any, any>)>) => React.ReactElement<any, string | ((props: any) => React.ReactElement<any, any> | null) | (new (props: any) => React.Component<any, any, any>)>;
    render(): JSX.Element;
}
export default Countdown;