import { Observable } from 'rxjs/Observable';
import { HttpClientService } from './httpclient.service';
import 'rxjs/add/operator/catch';
import 'rxjs/add/operator/map';
import 'rxjs/add/operator/toPromise';
export declare class ValueListDataService extends HttpClientService {
    private headers;
    protected apiUrl: string;
    protected static CachedDataMap: Map<string, any>;
    getValueList2(typeName: string): Observable<Object[]>;
    getValueList(typeName: string): Promise<Object[]>;
    buildResultData(result: any, tableColumns: string): any;
    getTreeData(dataUrl: string): Observable<Object[]>;
    buildTree(input: any, idColumn: string, parentColumn: string, textColumn: string): any;
    findParent(nodes: any, nid: number): any;
}