import { IViewModelFactoryExtender } from "../viewmodels/ViewModelFactory";
import ViewModelContext from "../registry/ViewModelContext";
import { ObservableController } from "./ObservableController";
declare class ObservableFactoryExtender implements IViewModelFactoryExtender {
    extend<T>(viewmodel: T, context: ViewModelContext, source: ObservableController<T>): void;
}
export default ObservableFactoryExtender;