import { ApplicationRef, ComponentFactoryResolver, Injector } from '@angular/core';
export declare class ConfirmationService {
    private appRef;
    private componentFactoryResolver;
    private injector;
    private dialogComponentRef;
    constructor(appRef: ApplicationRef, componentFactoryResolver: ComponentFactoryResolver, injector: Injector);
    open(message: string): Promise<boolean>;
    close(): void;
}