import { HttpClient } from '@angular/common/http';
import { Observable } from 'rxjs';
import { CustomConfig } from './custom-config';
import * as i0 from "@angular/core";
/**
 * Factory for building a custom-config object.
 */
export declare class ConfigFactory {
    private origin;
    private http;
    constructor(origin: string, // Needed for SSR
    http: HttpClient);
    buildConfig(configFile: string): Observable<CustomConfig>;
    static ɵfac: i0.ɵɵFactoryDeclaration<ConfigFactory, [{ optional: true; }, null]>;
    static ɵprov: i0.ɵɵInjectableDeclaration<ConfigFactory>;
}