/** Configuration options for transcript fetching */
export interface TranscriptConfig {
    /** ISO language code (e.g., 'en', 'es', 'fr') */
    lang?: string;
    /** Proxy configuration for fetch requests */
    proxy?: {
        /** Proxy server URL (e.g., 'http://proxy.example.com:8080') */
        host: string;
        /** Optional proxy authentication */
        auth?: {
            username: string;
            password: string;
        };
    };
    /** Pre-configured proxy agent (takes precedence over proxy config) */
    proxyAgent?: any;
}
/** Structure of a transcript segment */
export interface TranscriptSegment {
    /** The text content of the segment */
    text: string;
    /** Duration of the segment in seconds */
    duration: number;
    /** Start time of the segment in seconds */
    offset: number;
    /** Language code of the segment */
    lang?: string;
}
/** Internal structure of YouTube captions data */
export interface CaptionsData {
    playerCaptionsTracklistRenderer: {
        captionTracks: Array<{
            baseUrl: string;
            languageCode: string;
        }>;
    };
}