/// <reference types="node" />
import { Transport } from './transport';
import { ClientOptions } from 'ws';
import { Duplex } from 'stream';
export interface WebsocketTransportOptions {
    url: string;
    additionalOptions?: ClientOptions;
}
export declare class WebsocketTransport extends Transport<WebsocketTransportOptions> {
    duplex?: Duplex;
    private socket?;
    constructor(options: WebsocketTransportOptions);
    reset(): void;
    connect(): Promise<void>;
}