import type { MCPTransportInterface, MCPRequest, MCPResponse, MCPNotification } from './types';
/**
 * MCP HTTP/SSE transport implementation
 * Communicates with MCP servers via HTTP or Server-Sent Events
 */
export declare class HttpTransport implements MCPTransportInterface {
    private url;
    private headers?;
    private pendingRequests;
    private notificationHandlers;
    private requestIdCounter;
    private connected;
    private timeout;
    constructor(url: string, headers?: Record<string, string>, timeout?: number);
    connect(): Promise<void>;
    disconnect(): Promise<void>;
    isConnected(): boolean;
    sendRequest(request: MCPRequest): Promise<MCPResponse>;
    sendNotification(notification: MCPNotification): Promise<void>;
    onNotification(handler: (notification: MCPNotification) => void): void;
}
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