import { Backend } from '../core/backend.js';
import type { HttpHandler } from './interfaces/http-handler.js';
import type { HttpInterceptor } from './interfaces/http-interceptor.js';
/**
 *
 * @class HttpBackend
 */
export declare abstract class HttpBackend extends Backend implements HttpHandler {
    readonly serviceUrl: string;
    interceptors?: HttpInterceptor<any>[];
    protected constructor(serviceUrl: string, options?: HttpBackend.Options);
}
/**
 *
 * @namespace HttpBackend
 */
export declare namespace HttpBackend {
    interface Options extends Backend.Options {
    }
    interface RequestInit extends Backend.RequestInit {
        method: string;
        url: string | URL;
        headers?: Headers;
        body?: any;
    }
}