import { HttpClient, HttpEvent, HttpHandler, HttpInterceptor, HttpRequest, HttpParams } from '@angular/common/http';
import { Observable } from 'rxjs';
export declare class HttpService {
    private http;
    private actionUrl;
    constructor(http: HttpClient);
    getAll<T>(requestUrl: string): Observable<T>;
    getAllSync<T>(requestUrl: string): Observable<T>;
    getSingle<T>(requestUrl: any, id: number): Observable<T>;
    getSingleObject(requestUrl: any, id: number): Observable<any>;
    getByText<T>(requestUrl: any, id: string): Observable<T>;
    getByTextSync<T>(requestUrl: any, id: string): Observable<T>;
    post<T>(requestUrl: any, item: any): Observable<T>;
    update<T>(requestUrl: any, id: number, itemToUpdate: any): Observable<T>;
    delete<T>(requestUrl: any, id: number): Observable<T>;
    getMultipleParam<T>(requestUrl: any, objects: any): Observable<T>;
    buildQueryParams(source: Object): HttpParams;
}
export declare class BaseHttpInterceptor implements HttpInterceptor {
    intercept(request: HttpRequest<any>, next: HttpHandler): Observable<HttpEvent<any>>;
}