/**
 * SearXNG search tool implementation
 * Handles the search tool execution and result formatting
 */
import { Config } from '../config/index.js';
/**
 * Simplified search result for MCP response
 */
export interface SearchResult {
    /** Search result title */
    title: string;
    /** Search result URL */
    link: string;
    /** Search result snippet/summary */
    snippet: string;
}
/**
 * Search response for a single query
 */
export interface SearchResponse {
    /** Search query */
    query: string;
    /** Search results list */
    results: SearchResult[];
    /** Number of results found */
    total_results: number;
    /** Whether the search was successful */
    success: boolean;
    /** Error message if search failed */
    error?: string;
}
/**
 * Multi-search response for MCP
 */
export interface MultiSearchResponse {
    /** Multiple search results */
    searches: SearchResponse[];
    /** Summary statistics */
    summary: {
        total_queries: number;
        successful_queries: number;
        failed_queries: number;
    };
}
/**
 * SearXNG search tool handler
 */
export declare class SearXNGSearchTool {
    private apiClient;
    constructor(config: Config);
    /**
     * Execute search with multiple queries
     */
    executeSearch(queries: string[], engines?: string[], categories?: string[], safesearch?: number, language?: string): Promise<MultiSearchResponse>;
    /**
     * Format API response for MCP client
     */
    private formatResponse;
    /**
     * Test connection to SearXNG instance
     */
    testConnection(): Promise<boolean>;
}