import { HttpHandler, HttpInterceptor, HttpRequest } from '@angular/common/http';
import { Observable } from 'rxjs';
import { RetryInterceptorEvent, RetryPolicy } from './types';
export declare class HttpRetryInterceptorService implements HttpInterceptor {
    private readonly interceptorFn;
    private readonly events$;
    private constructor();
    static create(policy: RetryPolicy): HttpRetryInterceptorService;
    intercept(req: HttpRequest<unknown>, next: HttpHandler): Observable<import("@angular/common/http").HttpEvent<unknown>>;
    observeEvents(): Observable<RetryInterceptorEvent>;
}