export interface CountdownTimerOptions {
    endTime?: Date | string | number;
    format?: "HH:MM:SS" | "DD:HH:MM:SS" | "full" | "compact";
    endText?: string;
    interval?: number;
    onComplete?: () => void;
    onTick?: (remaining: CountdownTime) => void;
    leadingZeros?: boolean;
}
export interface CountdownTime {
    days: number;
    hours: number;
    minutes: number;
    seconds: number;
    total: number;
}
export declare class CountdownTimer {
    private element;
    private options;
    private intervalId;
    private endTime;
    constructor(selectorOrElement: string | HTMLElement, options?: CountdownTimerOptions);
    start(): void;
    stop(): void;
    reset(endTime: Date | string | number): void;
    getRemaining(): CountdownTime;
    destroy(): void;
    private tick;
    private formatTime;
    private updateDisplay;
}
export default CountdownTimer;
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