export declare const DEFAULT_USER_AGENT = "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/131.0.0.0 Safari/537.36";
export declare const RE_YOUTUBE: RegExp;
export declare const RE_XML_TRANSCRIPT: RegExp;
export declare const DEFAULT_CACHE_TTL = 3600000;