import { Injector, ComponentFactoryResolver } from '@angular/core';
import { NgbModalOptions, NgbModalConfig } from './modal-config';
import { NgbModalRef } from './modal-ref';
import { NgbModalStack } from './modal-stack';
/**
 * A service to open modal windows. Creating a modal is straightforward: create a template and pass it as an argument to
 * the "open" method!
 */
export declare class NgbModal {
    private _moduleCFR;
    private _injector;
    private _modalStack;
    private _config;
    constructor(_moduleCFR: ComponentFactoryResolver, _injector: Injector, _modalStack: NgbModalStack, _config: NgbModalConfig);
    /**
     * Opens a new modal window with the specified content and using supplied options. Content can be provided
     * as a TemplateRef or a component type. If you pass a component type as content than instances of those
     * components can be injected with an instance of the NgbActiveModal class. You can use methods on the
     * NgbActiveModal class to close / dismiss modals from "inside" of a component.
     */
    open(content: any, options?: NgbModalOptions): NgbModalRef;
    /**
     * Dismiss all currently displayed modal windows with the supplied reason.
     *
     * @since 3.1.0
     */
    dismissAll(reason?: any): void;
    /**
     * Indicates if there are currently any open modal windows in the application.
     *
     * @since 3.3.0
     */
    hasOpenModals(): boolean;
}