/**
 * YouTube Scraper
 *
 * Extract metadata from YouTube video URLs.
 *
 * YouTube embeds rich JSON data in their HTML pages including:
 * - ytInitialPlayerResponse - video details, description
 * - ytInitialData - additional metadata, categories
 * - JSON-LD structured data
 */
import type { ScrapeOutcome, ScraperConfig } from './types';
/**
 * Extract video ID from a YouTube URL.
 * Handles various YouTube URL formats.
 */
export declare function extractYouTubeVideoId(url: string): string | null;
/**
 * Build canonical YouTube URL from video ID.
 */
export declare function buildYouTubeUrl(videoId: string): string;
/**
 * Scrape metadata from a YouTube URL.
 */
export declare function scrapeYouTube(url: string, config?: ScraperConfig): Promise<ScrapeOutcome>;
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