interface CountdownProps {
    /** Target date/time as Date or ISO string */
    target: Date | string;
    /** Show days unit */
    showDays?: boolean;
    size?: 'sm' | 'md' | 'lg';
    label?: string;
    class?: string;
    oncomplete?: () => void;
}
declare const Countdown: import("svelte").Component<CountdownProps, {}, "">;
type Countdown = ReturnType<typeof Countdown>;
export default Countdown;