export type SearchProvider = 'tavily' | 'brave' | 'serper' | 'serpapi' | 'exa' | 'searxng';
export interface SearchConfig {
    provider: SearchProvider;
    apiKey: string;
    apiUrl?: string;
    timeout?: number;
}
export interface SearchResult {
    title: string;
    url: string;
    content: string;
    score?: number;
}
export interface SearchResponse {
    query: string;
    answer?: string;
    results: SearchResult[];
}
export declare class SearchClient {
    private config;
    constructor(config?: Partial<SearchConfig>);
    search(query: string, maxResults?: number): Promise<SearchResponse>;
    enrichContext(prompt: string): Promise<{
        enriched: boolean;
        context: string;
        sources: string[];
    }>;
    private searchTavily;
    private searchBrave;
    private searchSerper;
    private searchSerpAPI;
    private searchExa;
    private searchSearXNG;
    private extractSearchQuery;
}
export declare class SearchError extends Error {
    statusCode: number;
    details?: string | undefined;
    constructor(message: string, statusCode: number, details?: string | undefined);
}
export declare function getSearchClient(): SearchClient;