import * as React from 'react';
export type CountdownStatus = 'counting' | 'idle';
interface Config {
    duration: number;
    status: CountdownStatus;
    interval?: number;
    onComplete?: () => void;
}
/**
 * A hook that performs a countdown for a specified duration and interval.
 *
 * - duration
 *      The length of the countdown
 * - interval
 *      The interval at which the countdown will tick down
 * - onComplete
 *      A function to indicate when the countdown has reached zero, signaling to the
 *      parent that `status` may be updated
 * - status
 *      Whether the countdown should be in progress ("counting") or idle. An effect
 *      triggers the countdown to begin when this value changes to "counting".
 */
export declare const useCountdown: (config: Config) => number;
interface Props extends Config {
    message: (timeRemaining: number) => React.ReactNode;
}
export declare const Countdown: (props: Props) => import("react/jsx-runtime").JSX.Element;
export {};