import { ComponentFactoryResolver } from '@angular/core';
import { Observable } from 'rxjs';
import { ModalService } from '../modal/modal.service';
import { DialogOptions } from './dialog-options.model';
import { DomSanitizer } from '@angular/platform-browser';
export declare class DialogService {
    private modalService;
    private componentFactoryResolver;
    private domSanitizer;
    constructor(modalService: ModalService, componentFactoryResolver: ComponentFactoryResolver, domSanitizer: DomSanitizer);
    alert<T>(dialogOptions: DialogOptions): Observable<T>;
    confirm<T>(dialogOptions: DialogOptions): Observable<T>;
    prompt<T>(dialogOptions: DialogOptions): Observable<T>;
}