import { Observable } from 'rxjs';
import { MfeConfig } from './mfe-config.interface';
import { RemoteComponent } from './remote-component.interface';
/**
 * Sync list of available micro-frontends.
 */
export type NgxMfeSyncConfig = MfeConfig;
/**
 * Async list of available micro-frontends.
 */
export type NgxMfeAsyncConfig = {
    /**
     * A function to invoke to load a `MfeConfig`. The function is invoked with
     * resolved values of `token`s in the `deps` field.
     */
    useLoader: (...deps: any[]) => Observable<NgxMfeSyncConfig> | Promise<NgxMfeSyncConfig>;
    /**
     * A list of `token`s to be resolved by the injector. The list of values is then
     * used as arguments to the `useLoader` function.
     */
    deps?: any[];
};
/**
 * Type of sync / async list of available micro-frontends.
 */
export type NgxMfeConfigOption = NgxMfeSyncConfig | NgxMfeAsyncConfig;
/**
 * Type guard check that NgxMfeConfig is async list of available micro-frontends.
 */
export declare const isNgxMfeConfigAsync: (config: NgxMfeConfigOption) => config is NgxMfeAsyncConfig;
/**
 * Global options.
 */
export interface NgxMfeOptions {
    /**
   * List of names of remote appls, declared apps will be downloaded immediately and stored in the cache.
     */
    preload?: string[];
    /**
     * Loader remote component.
     *
     * Shows when load bundle of the micro-frontend.
     *
     * For better UX, add this micro-frontend to {@link preload} array.
     */
    loader?: RemoteComponent;
    /**
     * The delay between displaying the contents of the bootloader and the micro-frontend.
     *
     * This is to avoid flickering when the micro-frontend loads very quickly.
     */
    loaderDelay?: number;
    /**
     * Fallback remote component.
     *
     * Showing when an error occurs while loading bundle
     * or when trying to display the contents of the micro-frontend.
     *
     * For better UX, add this micro-frontend to {@link preload} array.
     */
    fallback?: RemoteComponent;
}
/**
 * Options forRoot configuration of `NgxMfeModule`
 */
export type NgxMfeForRootOptions = NgxMfeOptions & {
    /**
     * List of available micro-frontends.
       */
    mfeConfig: NgxMfeConfigOption;
};