import { GComponent } from '../GComponent';
import { GObject } from '../GObject';
import { PackageItem } from './PackageItem';
export declare class UIObjectFactory {
    private static packageItemExtensions;
    private static loaderExtension;
    static setPackageItemExtension(url: string, type: {
        new (): GComponent;
    }): void;
    static newObject(pi: PackageItem): GObject;
    static newObjectDirectly(type: string): GObject;
}