import { InjectionToken, Injector, Type } from '@angular/core';
import { BehaviorSubject, Observable } from 'rxjs';
import { WidgetManifest } from '../../../../core/model/manifest.interface';
import { BaseWidgetComponent } from '../base-widget.component';
import { WidgetDefinition } from './widgets-definition.model';
import * as i0 from "@angular/core";
export declare const WIDGET_DEFINITION: InjectionToken<string>;
export declare class WidgetFactoryService {
    private injector;
    reference$: BehaviorSubject<{
        [key: string]: WidgetDefinition;
    }>;
    moduleRefCache: {
        [manifestType: string]: Type<BaseWidgetComponent>;
    };
    constructor(injector: Injector, reference: {
        [key: string]: WidgetDefinition;
    });
    resolveComponent(manifest: WidgetManifest): Observable<Type<BaseWidgetComponent>>;
    private putDefinitions;
    isModuleLoaded(type: string): Observable<boolean>;
    static ɵfac: i0.ɵɵFactoryDeclaration<WidgetFactoryService, never>;
    static ɵprov: i0.ɵɵInjectableDeclaration<WidgetFactoryService>;
}