import { ApplicationRef, ComponentFactoryResolver, Injector } from '@angular/core';
import { Subject } from 'rxjs';
import * as i0 from "@angular/core";
export declare class ModalService {
    private resolver;
    private appRef;
    private injector;
    private modalRef;
    private modalClose$;
    constructor(resolver: ComponentFactoryResolver, appRef: ApplicationRef, injector: Injector);
    open<T>(component: any, title?: string, data?: T): Subject<any>;
    close(componentRef?: any): void;
    static ɵfac: i0.ɵɵFactoryDeclaration<ModalService, never>;
    static ɵprov: i0.ɵɵInjectableDeclaration<ModalService>;
}