import { Observable } from 'rxjs';
import { Subject } from 'rxjs';
import { NarikSignalRConfig } from '../base/narik-signalR.config';
import { RemoteMessagingService } from '@narik/infrastructure';
import * as i0 from "@angular/core";
export declare class NarikSignalRMessagingService extends RemoteMessagingService {
    private config;
    private messagingSubject;
    connectionEstablished: Subject<Boolean>;
    private hubConnection;
    private connecting;
    constructor(config: NarikSignalRConfig);
    listen<T>(messageType: any): Observable<T>;
    private createConnection;
    private startConnection;
    private registerOnServerEvents;
    connect(): Promise<any>;
    disConnect(): Promise<any>;
    static ɵfac: i0.ɵɵFactoryDeclaration<NarikSignalRMessagingService, never>;
    static ɵprov: i0.ɵɵInjectableDeclaration<NarikSignalRMessagingService>;
}