import { Observable } from "rxjs";
import { HttpClient } from "@angular/common/http";
import { GMessagesService } from "./g-messages.service";
import * as i0 from "@angular/core";
export declare class HttpCommonService {
    private http;
    private messageService;
    constructor(http: HttpClient, messageService: GMessagesService);
    postObservable<T>(url: string, requestBody: any, headers?: any, responseType?: 'json'): Observable<T>;
    getObservable<T>(url: string, headers: any): Observable<T>;
    static ɵfac: i0.ɵɵFactoryDeclaration<HttpCommonService, never>;
    static ɵprov: i0.ɵɵInjectableDeclaration<HttpCommonService>;
}