import type { MCPTransportInterface, MCPRequest, MCPResponse, MCPNotification } from './types';
/**
 * MCP stdio transport implementation
 * Communicates with MCP servers via stdin/stdout
 */
export declare class StdioTransport implements MCPTransportInterface {
    private process?;
    private pendingRequests;
    private notificationHandlers;
    private serverRequestHandlers;
    private requestIdCounter;
    private command;
    private args;
    private env?;
    private envAllowlist?;
    private connected;
    private boundHandlers?;
    constructor(command: string, args?: string[], env?: Record<string, string>, envAllowlist?: string[]);
    connect(): Promise<void>;
    disconnect(): Promise<void>;
    isConnected(): boolean;
    sendRequest(request: MCPRequest): Promise<MCPResponse>;
    sendNotification(notification: MCPNotification): Promise<void>;
    onNotification(handler: (notification: MCPNotification) => void): void;
    /**
     * Remove a notification handler
     */
    offNotification(handler: (notification: MCPNotification) => void): void;
    /**
     * Register a handler for server requests
     */
    onServerRequest(method: string, handler: (params: any) => Promise<any> | any): void;
    private handleMessage;
    private handleServerRequest;
}
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