/**
 * Wikipedia API Handler
 *
 * Extracts content from Wikipedia articles using the REST API.
 * Supports all language versions of Wikipedia.
 */
import { BaseSiteHandler, type FetchFunction, type SiteHandlerOptions, type SiteHandlerResult } from './types.js';
export declare class WikipediaHandler extends BaseSiteHandler {
    readonly name = "Wikipedia";
    readonly strategy: "api:wikipedia";
    canHandle(url: string): boolean;
    extract(url: string, fetch: FetchFunction, opts: SiteHandlerOptions): Promise<SiteHandlerResult | null>;
    /**
     * Extract article title from Wikipedia URL
     */
    private getArticleTitle;
    /**
     * Get Wikipedia REST API base (/api/rest_v1) for the URL's language.
     */
    private getRestApiBase;
    /**
     * Get Wikipedia action API endpoint (/w/api.php) for the URL's language.
     * Used for the full plaintext extract which the REST summary endpoint doesn't expose.
     */
    private getActionApiBase;
    /**
     * Format Wikipedia content into text and markdown
     */
    private formatContent;
}
export declare const wikipediaHandler: WikipediaHandler;
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