import { Subscribe } from '../../utils/Subscribe';
import { WebSocketState } from '../typings/WebSocketState';
import { WebSocketCloseOption } from '../typings/WebSocketCloseOption';
import { WebSocketConnectOptions } from '../typings/WebSocketConnectOptions';
import { WebSocketEvent } from '../typings/WebSocketEvent';
import { WebSocketEventLister } from '../typings/WebSocketEventLister';
export type WsEvent = {
    [WebSocketEvent.open]: WebSocketEventLister;
    [WebSocketEvent.close]: WebSocketEventLister;
    [WebSocketEvent.message]: WebSocketEventLister;
    [WebSocketEvent.error]: WebSocketEventLister;
};
export declare class Ws4Webview extends Subscribe<WsEvent> {
    private _wsOptions?;
    private _wsTask?;
    private _state;
    get readyState(): WebSocketState | null;
    connect(options: WebSocketConnectOptions): Promise<boolean>;
    reconnect(): Promise<void>;
    send(data: string | ArrayBufferLike | Blob | ArrayBufferView): void;
    close(options: WebSocketCloseOption): void;
    private handleConnected;
    private registerEventHandler;
    onOpen: (listener: WebSocketEventLister, once?: boolean) => () => void;
    onceOpen: (listener: WebSocketEventLister) => () => void;
    offOpen: (listener: WebSocketEventLister) => false | void;
    onMessage: (listener: WebSocketEventLister, once?: boolean) => () => void;
    onceMessage: (listener: WebSocketEventLister) => () => void;
    offMessage: (listener: WebSocketEventLister) => false | void;
    onError: (listener: WebSocketEventLister, once?: boolean) => () => void;
    onceError: (listener: WebSocketEventLister) => () => void;
    offError: (listener: WebSocketEventLister) => false | void;
    onClose: (listener: WebSocketEventLister, once?: boolean) => () => void;
    onceClose: (listener: WebSocketEventLister) => () => void;
    offClose: (listener: WebSocketEventLister) => false | void;
}
export default Ws4Webview;