export declare function getInfo({ videoId, apiKey }: {
    videoId: string;
    apiKey: string;
}): Promise<number | undefined>;
export declare function getStatistics({ videoId, apiKey }: {
    videoId: string;
    apiKey: string;
}): Promise<number | undefined>;
export declare function getDuration({ videoId, apiKey }: {
    videoId: string;
    apiKey: string;
}): Promise<number | undefined>;