/**
 * pi-web - Search and Content Extraction
 *
 * Internal search and fetch utilities. No framework dependencies.
 */
export interface ScrapingResult {
    content: string;
    title: string;
    method: string;
    url: string;
}
export interface WebSearchResult {
    title: string;
    url: string;
    snippet: string;
}
/**
 * Playwright fetch with queue-based concurrency
 */
export declare function playwrightFetch(url: string, maxLength: number, timeoutMs?: number): Promise<ScrapingResult | null>;
/**
 * CASCADE: Try all methods in order of speed → quality
 */
export declare function cascadeFetch(url: string, maxLength?: number, usePlaywright?: boolean, timeoutMs?: number): Promise<ScrapingResult | null>;
export declare function searchDuckDuckGo(query: string, limit: number): Promise<WebSearchResult[]>;
export declare function searchSearX(query: string, limit: number, instance?: string): Promise<WebSearchResult[]>;
/**
 * Combined search across multiple engines
 */
export declare function webSearch(query: string, limit?: number): Promise<WebSearchResult[]>;