import { HttpRequest } from '@angular/common/http';
import { Injector } from '@angular/core';
import { Observable } from 'rxjs';
import { ABaseService } from './a-base.service';
/** Create and execute http requests */
export declare abstract class BaseHttpService extends ABaseService {
    static URL: string;
    private http;
    private alertService;
    /**
     * Create a global service to manage http interactions
     * @param injector - injector root service used in app.module
     */
    constructor(injector: Injector);
    /**
     * Create a valid HttpRequest
     * @param url - Relative url to access to the api
     * @param method - Http method type
     * @param id - Id of a specific record
     * @param data - Data to send to the server
     */
    protected getRequest(url: string, method: "GET" | "PUT" | "POST" | "PATCH" | "DELETE", id?: any, data?: any): HttpRequest<any>;
    /**
     * Execute the given @param request
     * @param request - A valid HttpRequest to execute
     */
    protected executeQuery<T>(request: HttpRequest<any>): Observable<T>;
    protected executeRequest(request: HttpRequest<any>): Observable<any>;
    /**
     * Display an alert for the current error
     * @param error - Error message
     */
    displayError(error: any): void;
    /**
     * Reject the promise with the specified @param error
     * @param error - Error message
     */
    handleError(error: any): Promise<any>;
    convertToT<T>(type: new () => T, json: any): T | T[];
}