import { HttpClient } from '@angular/common/http';
import { Observable } from 'rxjs';
import { ConfigService } from './config.service';
export declare class CentrifugoService {
    private httpClient;
    private configService;
    private platformId;
    private channels$;
    private subscriptions;
    private centrifuge;
    private initializeEngineSubject;
    private connectedSubject;
    get connected$(): Observable<boolean>;
    constructor(httpClient: HttpClient, configService: ConfigService, platformId: string);
    listen<T = any>(channel: any): Observable<T>;
    unsubscribe(channel: any): void;
    connect(): Observable<boolean>;
    publish(channel: string, message: any): Observable<any>;
    disconnect(): void;
    private initializeEngine;
    private addEngineSubscription;
    private resolveMessage;
}