import { Observable } from 'rxjs';
import { HttpHandlerInterface, HttpInterceptorInterface, HttpRequestInterface, HttpResponseInterface } from '../contract';
/**
 * Http handler wraps the interceptor and creates handler/interceptor chain.
 */
export declare class HttpHandler implements HttpHandlerInterface {
    private readonly _interceptor;
    private readonly _next;
    constructor(interceptor: HttpInterceptorInterface, next: HttpHandlerInterface);
    handle(request: HttpRequestInterface): Observable<HttpResponseInterface<unknown>>;
}