import { HttpEvent, HttpHandlerFn, HttpRequest } from '@angular/common/http';
import { Observable, Subject } from 'rxjs';
import { RetryInterceptorEvent, RetryPolicy } from '../types';
import { RetryState } from './types';
export declare function retryRequestWithStrategy(req: HttpRequest<unknown>, next: HttpHandlerFn, strategy: RetryPolicy, state: RetryState, events$: Subject<RetryInterceptorEvent>): Observable<HttpEvent<unknown>>;