import { Observable } from 'rxjs';
import * as e from './_internal/enums';
import { SubscriberInterface } from './_internal/interfaces';
import { NotificationsApiService } from './_internal/notifications.api.service';
import * as i0 from "@angular/core";
export declare class NotificationsService {
    private readonly api;
    constructor(api: NotificationsApiService);
    subscribe(businessId: string, orderId: string, location: e.SubscriptionLocation): Observable<boolean>;
    unsubscribe(businessId: string, orderId: string, location: e.SubscriptionLocation): Observable<boolean>;
    getSubscribedLocations(businessId: string, orderId: string): Observable<e.SubscriptionLocation[]>;
    getSubscribers(businessId: string, orderId: string): Observable<SubscriberInterface[]>;
    static ɵfac: i0.ɵɵFactoryDeclaration<NotificationsService, never>;
    static ɵprov: i0.ɵɵInjectableDeclaration<NotificationsService>;
}