import type { ProxyConfig } from "./proxies.js";
import type { TranscriptList } from "./transcripts.js";
export declare class YtCaptionKitError extends Error {
    constructor(message?: string);
}
export declare class CookieError extends YtCaptionKitError {
}
export declare class CookiePathInvalid extends CookieError {
}
export declare class CookieInvalid extends CookieError {
}
export declare class CouldNotRetrieveTranscript extends YtCaptionKitError {
    readonly videoId: string;
    protected errorMessage: string;
    protected causeMessageIntro: string;
    protected githubReferral: string;
    constructor(videoId: string);
    protected get causeText(): string;
    toString(): string;
}
export declare class YouTubeDataUnparsable extends CouldNotRetrieveTranscript {
    protected get causeText(): string;
}
export declare class YouTubeRequestFailed extends CouldNotRetrieveTranscript {
    private readonly reason;
    constructor(videoId: string, reason: string);
    protected get causeText(): string;
}
export declare class VideoUnplayable extends CouldNotRetrieveTranscript {
    readonly reason: string | null;
    readonly subReasons: string[];
    constructor(videoId: string, reason: string | null, subReasons: string[]);
    protected get causeText(): string;
}
export declare class VideoUnavailable extends CouldNotRetrieveTranscript {
    protected get causeText(): string;
}
export declare class InvalidVideoId extends CouldNotRetrieveTranscript {
    protected get causeText(): string;
}
export declare class RequestBlocked extends CouldNotRetrieveTranscript {
    static readonly BASE_CAUSE_MESSAGE = "YouTube is blocking requests from your IP. This usually is due to one of the following reasons:\n- You have done too many requests and your IP has been blocked by YouTube\n- You are doing requests from an IP belonging to a cloud provider (like AWS, Google Cloud Platform, Azure, etc.). Unfortunately, most IPs from cloud providers are blocked by YouTube.\n\n";
    private proxyConfig?;
    withProxyConfig(proxyConfig?: ProxyConfig): this;
    protected get causeText(): string;
}
export declare class IpBlocked extends RequestBlocked {
    protected get causeText(): string;
}
export declare class TranscriptsDisabled extends CouldNotRetrieveTranscript {
    protected get causeText(): string;
}
export declare class AgeRestricted extends CouldNotRetrieveTranscript {
    protected get causeText(): string;
}
export declare class NotTranslatable extends CouldNotRetrieveTranscript {
    protected get causeText(): string;
}
export declare class TranslationLanguageNotAvailable extends CouldNotRetrieveTranscript {
    protected get causeText(): string;
}
export declare class FailedToCreateConsentCookie extends CouldNotRetrieveTranscript {
    protected get causeText(): string;
}
export declare class NoTranscriptFound extends CouldNotRetrieveTranscript {
    private readonly requestedLanguageCodes;
    private readonly transcriptData;
    constructor(videoId: string, requestedLanguageCodes: Iterable<string>, transcriptData: TranscriptList);
    protected get causeText(): string;
}
export declare class PoTokenRequired extends CouldNotRetrieveTranscript {
    protected get causeText(): string;
}