import type { WebSearchRequest, WebSearchResult } from '@deepseek-ai/dsh-web';
import type { SearchBackend } from './types.ts';
/** Keyless Wikipedia full-text search backend. */
export declare class WikipediaBackend implements SearchBackend {
    private readonly language;
    private readonly requestTimeoutMs;
    readonly id = "lemoncat7-search";
    readonly kind = "wikipedia";
    constructor(language: string, requestTimeoutMs?: number);
    available(): boolean;
    search(request: WebSearchRequest, signal?: AbortSignal): Promise<WebSearchResult>;
}