import { InjectionToken, Type, ViewContainerRef } from '@angular/core';
import { ModalRef } from './modal-ref';
import * as i0 from "@angular/core";
export declare const DIALOG_DATA: InjectionToken<any>;
export interface ModalOptions<TData = unknown> {
    data?: TData | null;
}
export declare class ModalService {
    private viewContainerRef;
    constructor();
    registerContainerRef(vcRef: ViewContainerRef): void;
    open<T>(component: Type<T>, options?: ModalOptions): ModalRef;
    static ɵfac: i0.ɵɵFactoryDeclaration<ModalService, never>;
    static ɵprov: i0.ɵɵInjectableDeclaration<ModalService>;
}