import type { TranscriptSearchOptions, VideoTranscriptData } from "./types.js";
export interface SubtitleData {
    data_source: "subtitle" | "ai_subtitle" | "description";
    video_info: {
        title: string;
        description: string;
        tags: string[];
        subtitle_text?: string;
        pubdate?: string;
        pubdate_timestamp?: number;
    };
}
/**
 * 获取纯视频转录文本
 *
 * 不自动降级到描述。如果字幕不可用：
 * - fallbackToDescription=false -> throw NoSubtitleError
 * - fallbackToDescription=true -> return description text
 * - COOKIE_EXPIRED 错误始终向上传播
 * - 当 timestamps 或 range 被请求时，拒绝 description fallback
 * - searchOptions 存在时拒绝 description fallback，只搜索真实字幕
 */
export declare function getVideoTranscriptData(bvidOrUrl: string, preferredLang?: string, fallbackToDescription?: boolean, page?: number, includeTimestamps?: boolean, startSeconds?: number, endSeconds?: number, searchOptions?: TranscriptSearchOptions, fallbackToAsr?: boolean, excludeAiSubtitles?: boolean, forceAsr?: boolean, signal?: AbortSignal): Promise<VideoTranscriptData>;
/**
 * 获取视频信息及字幕
 */
export declare function getVideoInfoWithSubtitle(bvidOrUrl: string, preferredLang?: string, page?: number, excludeAiSubtitles?: boolean): Promise<SubtitleData>;
//# sourceMappingURL=subtitle.d.ts.map