private Mono<R> resend(final Mono<R> clientResponse,
                           final ServerWebExchange exchange,
                           final Duration duration,
                           final Set<URI> exclude,
                           final int retryTimes) {
        Mono<R> result = clientResponse;
        for (int i = 0; i < retryTimes; i++) {
            result = resend(result, exchange, duration, exclude);
        }
        return result;
    }
Default Retry Policy Class
Keep the original default request retry test without any changes.
@param <R> Request Response Type
shenyu-plugin/shenyu-plugin-httpclient/src/main/java/org/apache/shenyu/plugin/httpclient/DefaultRetryStrategy.java