import { ComponentRef, Type } from '@angular/core';
import { InjectionService } from '../../injections/injection/injection.service';
import { Observable } from 'rxjs';
import { AbstractModal } from './abstract-modal';
export declare class ModalService<T extends AbstractModal> {
    private injectionService;
    modalComponent: ComponentRef<T>;
    constructor(injectionService: InjectionService);
    /**
     * Create and configure the modal component.
     * @param type
     * @param properties
     */
    create(type: Type<T>, properties: object): Observable<ComponentRef<T>>;
    /**
     * Remove the modal from the DOM.
     */
    destroy(): void;
    /**
     * Display the created modal, subscribe to standard event emissions and
     * triage the actions accordingly.
     */
    load(): Observable<ComponentRef<T>>;
    /**
     * Hide the instance but don't yet remove it from the DOM. This helps
     * with keeping the modal in memory for later use or fading out elegantly.
     */
    unload(): Observable<ComponentRef<T>>;
}