/**
 * GatewayTransport — CLI communication through the Supen gateway.
 *
 * Adds authentication headers and targets a specific daemon through the gateway relay.
 * Handles token refresh on expiry, including server-side rejection (401) of a
 * locally-valid token: one forced refresh + retry, then an actionable error.
 *
 * Uses Node.js built-in fetch for HTTP requests.
 */
import http from 'http';
import type { Transport, TransportConfig, TransportResponse } from './types.js';
export declare class GatewayTransport implements Transport {
    private gatewayUrl;
    private daemonId?;
    private refreshInFlight;
    constructor(config: TransportConfig);
    private refresh;
    private getAuthHeaders;
    /**
     * Fetch with auth headers. When the gateway answers 401, the token was
     * revoked or expired server-side while still valid locally: force one
     * refresh and retry once, then fail with an actionable login hint.
     */
    private fetchWithAuth;
    get(path: string): Promise<TransportResponse>;
    post(path: string, body?: any): Promise<TransportResponse>;
    put(path: string, body?: any): Promise<TransportResponse>;
    patch(path: string, body?: any): Promise<TransportResponse>;
    delete(path: string, body?: any): Promise<TransportResponse>;
    private request;
    private openChatStream;
    chatStream(path: string, body: any): Promise<http.IncomingMessage>;
}