import { HttpInterceptorFn } from '@angular/common/http';
import { RetryInterceptorOptions, RetryPolicy } from './types';
/**
 * Creates an HttpInterceptorFn that will retry requests based on the provided
 * strategy.
 *
 * @param policy The retry strategy to use
 * @param options Additional options for the interceptor
 *
 * @example
 *  createHttpRetryInterceptorFn({
 *    shouldHandleRequest: matchPattern({method: 'GET' }),
 *    shouldHandleError: (err) => err instanceof HttpErrorResponse && err.status === 500,
 *
 */
export declare function createHttpRetryInterceptorFn(policy: RetryPolicy, options?: RetryInterceptorOptions): HttpInterceptorFn;
export declare function validateRetryStrategy(strategy: RetryPolicy): void;