import * as React from 'react';
interface CountdownParts {
    days: number;
    hours: number;
    minutes: number;
    seconds: number;
    total: number;
    isComplete: boolean;
}
interface CountdownProps extends Omit<React.ComponentProps<'div'>, 'children'> {
    /** Absolute instant to count down to (a `Date`, epoch-ms, or date string). */
    targetDate?: Date | number | string;
    /** Relative length in **seconds** from mount. Ignored when `targetDate` is set. */
    duration?: number;
    /**
     * Tick interval in milliseconds.
     * @default 1000
     */
    interval?: number;
    /** Fired once when the countdown reaches zero. */
    onComplete?: () => void;
    /** Segments and labels, or a render-prop receiving `{ days, hours, minutes, seconds, total, isComplete }`. */
    children?: React.ReactNode | ((parts: CountdownParts) => React.ReactNode);
}
declare function Countdown({ targetDate, duration, interval, onComplete, className, children, ...props }: CountdownProps): React.JSX.Element;
interface CountdownSegmentProps extends Omit<React.ComponentProps<'span'>, 'children'> {
    /** Which unit to read from the parent `Countdown`. */
    unit?: 'days' | 'hours' | 'minutes' | 'seconds';
    /** Render this number directly instead of reading context (standalone display). */
    value?: number;
    /**
     * Minimum digit count; the value is zero-padded to this width.
     * @default 2
     */
    minDigits?: number;
}
declare function CountdownSegment({ unit, value, minDigits, className, ...props }: CountdownSegmentProps): React.JSX.Element;
export { Countdown, CountdownSegment };
export type { CountdownProps, CountdownSegmentProps, CountdownParts };
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