import { Observable } from "rxjs/Observable";
import 'rxjs/add/operator/mergeAll';
import 'rxjs/add/operator/combineAll';
export declare class NestedItemsResolver {
    static buildObservables(parent$: Observable<any>, property: string, apiService: any, propertyId?: string): any;
    static buildObservablesFromItem(parent$: Observable<any>, property: string, apiService: any, propertyId?: string): any;
}