import { Transport } from './transport.js';
export type Http1TransportOptions = {
    /**
     * The debounce window between the first `send` after idle and the request
     * that carries it, coalescing messages sent in quick succession into one
     * request. Defaults to one timer tick — zero added latency, catching the
     * common same-turn burst. Once a request is in flight the serial discipline
     * takes over: messages queued during it join the next request regardless.
     */
    debounceMs?: number;
};
/** Opens connections to a fixed endpoint over serial HTTP/1 requests. */
export declare function http1Transport(endpoint: string, options?: Http1TransportOptions): Transport;