import { EventEmitter, OnDestroy } from '@angular/core';
import { OnlineStatusType } from './online-status-type.enum';
import * as i0 from "@angular/core";
export declare class OnlineStatusService implements OnDestroy {
    status: EventEmitter<OnlineStatusType>;
    static EVENT_TYPE_ONLINE: string;
    static EVENT_TYPE_OFFLINE: string;
    constructor();
    ngOnDestroy(): void;
    /**
     * getStatus - get online status
     *
     * @returns OnlineStatusType
     */
    getStatus(): OnlineStatusType;
    private bind;
    private onOnline;
    private onOffline;
    static ɵfac: i0.ɵɵFactoryDeclaration<OnlineStatusService, never>;
    static ɵprov: i0.ɵɵInjectableDeclaration<OnlineStatusService>;
}