import { type WebSearchProvider, type WebSearchProviderHealth, type WebSearchProviderId, type WebSearchProviderSelection, type WebSearchRequest, type WebSearchResponse, type WebSearchResult } from "./types.js";
interface SearchProviderOptions {
    fetch?: typeof fetch;
    timeoutMs: number;
    maxResults: number;
    userAgent: string;
}
interface SearxngOptions extends SearchProviderOptions {
    baseUrl: string;
}
export declare function parseDuckDuckGoLiteResults(html: string, limit?: number): WebSearchResult[];
export declare class DuckDuckGoLiteProvider implements WebSearchProvider {
    private readonly options;
    readonly id: "duckduckgo-lite";
    readonly capabilities: {
        freshness: boolean;
        language: boolean;
        region: boolean;
        categories: boolean;
        safeSearch: boolean;
    };
    private readonly fetchImpl;
    constructor(options: SearchProviderOptions);
    search(request: WebSearchRequest): Promise<WebSearchResponse>;
    healthCheck(signal?: AbortSignal): Promise<WebSearchProviderHealth>;
}
export declare class SearxngProvider implements WebSearchProvider {
    private readonly options;
    readonly id: "searxng";
    readonly capabilities: {
        freshness: boolean;
        language: boolean;
        region: boolean;
        categories: boolean;
        safeSearch: boolean;
    };
    private readonly fetchImpl;
    constructor(options: SearxngOptions);
    private searchUrl;
    search(request: WebSearchRequest): Promise<WebSearchResponse>;
    healthCheck(signal?: AbortSignal): Promise<WebSearchProviderHealth>;
}
export declare class WebSearchProviderRegistry {
    private readonly providers;
    constructor(providers: WebSearchProvider[]);
    get(id: WebSearchProviderId): WebSearchProvider;
    list(): WebSearchProvider[];
    search(selection: WebSearchProviderSelection, request: WebSearchRequest): Promise<WebSearchResponse>;
}
export declare function createSearchProviderRegistry(options: SearxngOptions): WebSearchProviderRegistry;
export declare function resultDomain(result: WebSearchResult): string;
export {};
//# sourceMappingURL=search.d.ts.map