import { HttpClient, HttpResponse } from '@angular/common/http';
import { DataSource } from './data-source';
import { Principal } from '../auth/principal.service';
import { Observable } from 'rxjs';
export declare class DataSourceService {
    private http;
    private principal;
    private _dataSources;
    private _dataSources_enableCache;
    constructor(http: HttpClient, principal: Principal);
    getDataSource(apiUrl: string, serviceBaseUrl?: string, enableCache?: boolean): DataSource<any>;
    post(apiUrl: string, data: any, params?: {
        [param: string]: any | any[];
    }): Observable<HttpResponse<any>>;
    put(apiUrl: string, data: any, params?: {
        [param: string]: any | any[];
    }): Observable<HttpResponse<any>>;
    query(apiUrl: string, params?: {
        [param: string]: any | any[];
    }): Observable<HttpResponse<any>>;
}