/**
 * MCP server core logic for SearXNG integration
 * Handles tool registration and execution
 */
import { Server } from "@modelcontextprotocol/sdk/server/index.js";
import { Config } from "./config/index.js";
import { Logger } from "./utils/logger.js";
/**
 * MCP server for SearXNG search functionality
 */
export declare class SearXNGMCPServer {
    private server;
    private searchTool;
    private logger;
    constructor(config: Config, logger: Logger);
    /**
     * Setup MCP request handlers
     */
    private setupHandlers;
    /**
     * Handle search tool execution
     */
    private handleSearchTool;
    /**
     * Test SearXNG connection
     */
    testConnection(): Promise<boolean>;
    /**
     * Get the underlying MCP server instance
     */
    getServer(): Server;
}