import type { GatewayMessage } from "../types.js";
import type { TransportClient, TransportOptions } from "./types.js";
/**
 * HTTP bridge transport client
 * Uses long-polling for receiving messages and POST for sending
 */
export declare class HTTPBridgeTransport implements TransportClient {
    private baseUrl;
    private options;
    private messageHandler;
    private nodeId;
    private connected;
    private polling;
    private pollAbortController;
    constructor(url: string, options?: TransportOptions);
    connect(): Promise<void>;
    disconnect(): void;
    send(message: GatewayMessage): Promise<void>;
    onMessage(handler: (message: GatewayMessage) => void): void;
    isConnected(): boolean;
    getType(): "http";
    private startPolling;
    private stopPolling;
    private poll;
}