import { HttpClient, HttpContextToken, HttpParams } from '@angular/common/http';
import { Observable } from 'rxjs';
import * as i0 from "@angular/core";
export declare const SHOW_SUCCESS_CONTEXT: HttpContextToken<boolean>;
export declare class RestService {
    protected http: HttpClient;
    constructor(http: HttpClient);
    get<T>(resource: string, query?: object, params?: HttpParams, showSuccessContext?: boolean): Observable<T>;
    post<T>(resource: string, model?: any, query?: object, showSuccessContext?: boolean): Observable<T>;
    postFormData<T>(resource: string, formData?: FormData, query?: object, showSuccessContext?: boolean): Observable<T>;
    put<T>(resource: string, model?: any, query?: object, showSuccessContext?: boolean): Observable<T>;
    patch<T>(resource: string, model?: any, query?: object, showSuccessContext?: boolean): Observable<T>;
    delete(endpointUrl: string, query?: object, showSuccessContext?: boolean): Observable<any>;
    private prepareUrl;
    private buildQuery;
    private objectToQueryString;
    private prepareModel;
    static ɵfac: i0.ɵɵFactoryDeclaration<RestService, never>;
    static ɵprov: i0.ɵɵInjectableDeclaration<RestService>;
}