import { Observable } from 'rxjs';
import { NotificationType } from '../../models/base/base-data.type';
import { BaseModelInterface } from '../../models/base/base-model.model';
import { NotificationInterface } from '../../models/notification/notification.interface';
import { NotificationServiceInterface } from './notification-service.interface';
import * as i0 from "@angular/core";
export declare class NotificationService implements NotificationServiceInterface {
    private notifications;
    private notificationSub;
    constructor();
    add(title: string, text: string, type: NotificationType): void;
    watch(): Observable<NotificationInterface[]>;
    delete(index: number): void;
    showValidationError(fields: BaseModelInterface<any>): void;
    static ɵfac: i0.ɵɵFactoryDeclaration<NotificationService, never>;
    static ɵprov: i0.ɵɵInjectableDeclaration<NotificationService>;
}
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