export interface CountdownInstance {
    start(): void;
    pause(): void;
    stop(): void;
    restart(): void;
    reset(): void;
}
export interface CurrentTime {
    total: number;
    days: number;
    hours: number;
    minutes: number;
    seconds: number;
    milliseconds: number;
}
export declare function parseFormat(format: string, currentTime: CurrentTime): string;