import { PureComponent } from 'react';
declare class CountdownProps {
    value: number;
    counting: boolean;
    timeUnit: string;
    formatString: string;
    countdownTextStyle: any;
}
declare type IState = Readonly<{
    countdownValue: number;
}>;
export default class CountdownView extends PureComponent<CountdownProps, IState> {
    static defaultProps: CountdownProps;
    constructor(props: CountdownProps);
    componentDidMount(): void;
    componentWillReceiveProps(nextProps: any): void;
    componentWillUnmount(): void;
    _timer: any;
    clearCountdownInterval: () => void;
    startCounting: () => void;
    stopCounting: () => void;
    renderCountdownView: () => JSX.Element;
    render(): JSX.Element;
}
export {};