type WebsocketSettings = {
    protocols?: string | Array<string>;
    url: string;
};
type Communication = {
    message: string;
    answer: string;
};
type Options = {
    // Websocket related settings (https://developer.mozilla.org/en-US/docs/Web/API/WebSocket/WebSocket)
    ws: WebsocketSettings;
    com: Communication;
    pingTimeout: number;
    pingInterval: number;
    retryInterval: number;
};
declare class GracefulWebSocket {
    static readonly version: string;
    /**
     * I could extend / use EventTarget because it's best practice and made for
     * exactly this purpose. ES6 classes are nearly 5 years old so the extend
     * syntax + super() should work right? Nope, Safari is insanely stupid and
     * doesn't even follow the very basic RFC's regarding extending EventTarget.
     * Just because of this single browser doing whatever it wants and giving a shit about developers
     * (not everyone wants to buy a god damn mac) we have to take care about event-handling by ourself.
     * See https://stackoverflow.com/questions/36675693/eventtarget-interface-in-safari?noredirect=1&lq=1
     */
    private readonly _eventProxy;
    addEventListener: WebSocket['addEventListener'];
    dispatchEvent: WebSocket['dispatchEvent'];
    removeEventListener: WebSocket['removeEventListener'];
    private readonly _options;
    private _closed;
    private _websocket;
    private _connected;
    private _disconnectionTimeoutId;
    private _pingingTimeoutId;
    private _retryIntervalId;
    constructor(url: (Partial<Options> & {
        ws: WebsocketSettings;
    }) | string, ...protocols: Array<string>);
    get pingInterval(): number;
    set pingInterval(value: number);
    get pingTimeout(): number;
    set pingTimeout(value: number);
    get retryInterval(): number;
    set retryInterval(value: number);
    get binaryType(): BinaryType | null;
    get bufferedAmount(): number | null;
    get extensions(): string | null;
    get protocol(): string | null;
    get readyState(): number | null;
    get url(): string | null;
    get connected(): boolean;
    send(data: string | ArrayBufferLike | Blob | ArrayBufferView): void;
    close(code?: number, reason?: string): void;
    private start;
    private restart;
}
export { GracefulWebSocket as default };