/** Thrown when YouTube is rate-limiting requests from your IP address. */
export declare class YoutubeTranscriptTooManyRequestError extends Error {
    constructor();
}
/** Thrown when the requested video is unavailable or has been removed. */
export declare class YoutubeTranscriptVideoUnavailableError extends Error {
    readonly videoId: string;
    constructor(videoId: string);
}
/** Thrown when transcripts are disabled for the video by its owner. */
export declare class YoutubeTranscriptDisabledError extends Error {
    readonly videoId: string;
    constructor(videoId: string);
}
/** Thrown when no transcripts are available for the video. */
export declare class YoutubeTranscriptNotAvailableError extends Error {
    readonly videoId: string;
    constructor(videoId: string);
}
/** Thrown when the transcript is not available in the requested language. */
export declare class YoutubeTranscriptNotAvailableLanguageError extends Error {
    readonly videoId: string;
    /** The requested language code that was not available. */
    readonly lang: string;
    /** The language codes that are available for this video. */
    readonly availableLangs: string[];
    constructor(lang: string, availableLangs: string[], videoId: string);
}
/** Thrown when the provided `lang` option is not a valid BCP 47 language code. */
export declare class YoutubeTranscriptInvalidLangError extends Error {
    /** The invalid language code that was provided. */
    readonly lang: string;
    constructor(lang: string);
}
/** Thrown when the provided video ID or URL is invalid. */
export declare class YoutubeTranscriptInvalidVideoIdError extends Error {
    constructor();
}