/// <reference types="node" />
/// <reference types="ws" />
import RingCentral from '@rc-ex/core';
import SdkExtension from '@rc-ex/core/lib/SdkExtension';
import WS from 'isomorphic-ws';
import { EventEmitter } from 'events';
import RateLimitExtension from '@rc-ex/rate-limit';
import { SubscriptionInfo } from '@rc-ex/core/lib/definitions';
import { request } from './rest';
import { WsToken, ConnectionDetails, WebSocketOptions, Wsc } from './types';
import Subscription from './subscription';
export declare enum Events {
    autoRecoverSuccess = "autoRecoverSuccess",
    autoRecoverFailed = "autoRecoverFailed",
    autoRecoverError = "autoRecoverError",
    newWebSocketObject = "newWebSocketObject",
    newWsc = "newWsc"
}
declare class WebSocketExtension extends SdkExtension {
    eventEmitter: EventEmitter;
    options: WebSocketOptions;
    rc: RingCentral;
    wsToken: WsToken;
    ws: WS;
    connectionDetails: ConnectionDetails;
    wsc: Wsc;
    subscriptions: Subscription[];
    intervalHandle?: NodeJS.Timeout;
    recoverTimestamp?: number;
    pingServerHandle?: NodeJS.Timeout;
    request: typeof request;
    rateLimitExtension: RateLimitExtension;
    constructor(options?: WebSocketOptions);
    get enabled(): boolean;
    set enabled(value: boolean);
    install(rc: RingCentral): Promise<void>;
    recover(): Promise<void>;
    pingServer(): Promise<void>;
    connect(recoverSession?: boolean): Promise<void>;
    revoke(): Promise<void>;
    subscribe(eventFilters: string[], callback: (event: {}) => void, cache?: SubscriptionInfo | undefined): Promise<Subscription>;
}
export default WebSocketExtension;