import { OnInit } from "@angular/core";
import { Subject } from "rxjs";
import * as i0 from "@angular/core";
export declare enum versionEnum {
    V1 = "v1",
    V2 = "v2"
}
export declare class HttpClientService implements OnInit {
    static instance: HttpClientService;
    unauthorizedSubject: Subject<unknown>;
    private axiosClient;
    private translate;
    private devUrl;
    private prodUrl;
    private apiUrl;
    constructor();
    ngOnInit(): void;
    post<T>(url: any, headers: any, body: any, version?: versionEnum): Promise<T>;
    getUnauthorizedSubject(): import("rxjs").Observable<unknown>;
    get<T>(url: any, headers?: any, version?: versionEnum): Promise<T>;
    delete<T>(url: any, headers?: any, version?: versionEnum): Promise<T>;
    put<T>(url: any, headers: any, body: any, version?: versionEnum): Promise<T>;
    patch<T>(url: any, headers: any, body?: any, version?: versionEnum): Promise<T>;
    setupEnvironment(isProduction: boolean): void;
    private callRefreshToken;
    static ɵfac: i0.ɵɵFactoryDef<HttpClientService, never>;
    static ɵprov: i0.ɵɵInjectableDef<HttpClientService>;
}