/// <reference types="ws" />
import WebSocket from "isomorphic-ws";
import { Message } from "./jsonrpc.js";
import { BaseTransport } from "./client.js";
import { Emitter, EventsT } from "./util/emitter.js";
type WebsocketOptions = {
    reconnectDecay: number;
    reconnectInterval: number;
    maxReconnectInterval: number;
};
export type WebSocketErrorEvent = WebSocket.ErrorEvent;
export interface WebsocketEvents extends EventsT {
    connect: () => void;
    disconnect: () => void;
    error: (error: WebSocket.ErrorEvent) => void;
}
export declare class WebsocketTransport extends BaseTransport<WebsocketEvents> {
    url: string;
    _socket: ReconnectingWebsocket;
    get reconnectAttempts(): number;
    get connected(): boolean;
    constructor(url: string, options?: WebsocketOptions);
    _send(message: Message): void;
    close(): void;
}
declare class ReconnectingWebsocket extends Emitter<WebsocketEvents> {
    url: string;
    socket: WebSocket;
    ready: Promise<void>;
    options: WebsocketOptions;
    private preopenQueue;
    private _connected;
    private _reconnectAttempts;
    onmessage: (event: WebSocket.MessageEvent) => void;
    closed: boolean;
    constructor(url: string, onmessage: (event: WebSocket.MessageEvent) => void, options?: WebsocketOptions);
    get reconnectAttempts(): number;
    private _reconnect;
    get connected(): boolean;
    send(message: string): void;
    close(): void;
}
export {};