/**
 * MCP (Model Context Protocol) client integration for browser-use.
 *
 * This module provides integration between external MCP servers and browser-use's action registry.
 * MCP tools are dynamically discovered and registered as browser-use actions.
 */
import { EventEmitter } from 'events';
import { MCPClientConfig, MCPServerConfig, MCPTool, MCPToolResult } from './types';
/**
 * Basic MCP Client implementation for TypeScript
 */
export declare class MCPClient extends EventEmitter {
    private serverConfig;
    private clientConfig;
    private serverProcess;
    private connected;
    private tools;
    private messageId;
    private pendingRequests;
    constructor(serverConfig: MCPServerConfig, clientConfig?: Partial<MCPClientConfig>);
    /**
     * Connect to the MCP server and discover available tools
     */
    connect(): Promise<void>;
    /**
     * Disconnect from the MCP server
     */
    disconnect(): Promise<void>;
    /**
     * Get list of available tools
     */
    getTools(): MCPTool[];
    /**
     * Call a tool on the MCP server
     */
    callTool(toolName: string, arguments_?: Record<string, any>): Promise<MCPToolResult>;
    /**
     * Set up JSON-RPC communication with the server
     */
    private setupJsonRpcCommunication;
    /**
     * Handle incoming messages from the server
     */
    private handleMessage;
    /**
     * Send a JSON-RPC request to the server
     */
    private sendRequest;
    /**
     * Initialize the MCP session
     */
    private initialize;
    /**
     * List available tools from the server
     */
    private listTools;
}
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