import { NsExpWidget } from "../models/widgets.models";
export declare class WidgetService {
    private refresh$;
    refresh: import("rxjs").Observable<NsExpWidget.TWidgetGroups>;
    private widgetAction$;
    widgetAction: import("rxjs").Observable<string>;
    constructor();
    refreshWidgets(types?: NsExpWidget.TWidgetGroups): void;
    setWidgetAction(action?: string): void;
}