type CountdownOverlayProps = {
    visible: boolean;
    width: number;
    height: number;
    startFrom?: number;
    onDone?: () => void;
};
export declare function CountdownOverlay({ visible, width, height, startFrom, onDone, }: CountdownOverlayProps): import("react/jsx-runtime").JSX.Element | null;
export {};
//# sourceMappingURL=countdown.d.ts.map