import { HttpClient, HttpEvent } from '@angular/common/http';
import { Message } from '../../../../common/entities/Message';
import { LoadingBarService } from '@ngx-loading-bar/core';
import { ErrorDTO } from '../../../../common/entities/Error';
import { VersionService } from '../version.service';
import { Observable } from 'rxjs';
export declare class NetworkService {
    private http;
    private loadingBarService;
    private versionService;
    readonly apiBaseUrl: string;
    private globalErrorHandlers;
    constructor(http: HttpClient, loadingBarService: LoadingBarService, versionService: VersionService);
    static buildUrl(url: string, data?: {
        [key: string]: unknown;
    }): string;
    getXML(url: string): Promise<Document>;
    getText(url: string): Promise<string>;
    postJson<T>(url: string, data?: {}): Promise<T>;
    postFormData<T>(url: string, data: FormData): Observable<HttpEvent<Message<T>>>;
    putJson<T>(url: string, data?: {}): Promise<T>;
    getJson<T>(url: string, query?: {
        [key: string]: any;
    }): Promise<T>;
    deleteJson<T>(url: string): Promise<T>;
    addGlobalErrorHandler(fn: (error: ErrorDTO) => boolean): void;
    private callJson;
    private handleError;
}