replaceRequest example

$delay = $this->getDelayFromHeader($context->getHeaders()) ?? $this->strategy->getDelay($context, !$exception && $chunk->isLast() ? $content : null, $exception);
            ++$retryCount;
            $content = '';
            $firstChunk = null;

            $this->logger?->info('Try #{count} after {delay}ms'.($exception ? ': '.$exception->getMessage() : ', status code: '.$context->getStatusCode()), [
                'count' => $retryCount,
                'delay' => $delay,
            ]);

            $context->setInfo('retry_count', $retryCount);
            $context->replaceRequest($method, $url, self::shiftBaseUri($options, $baseUris));
            $context->pause($delay / 1000);

            if ($retryCount >= $maxRetries) {
                $context->passthru();
            }
        });
    }

    private function getDelayFromHeader(array $headers): ?int
    {
        if (null !== $after = $headers['retry-after'][0] ?? null) {
            

        HttpClientTestCase::testTimeoutOnDestruct();
    }

    public function testRetry404()
    {
        $client = $this->getHttpClient(__FUNCTION__, function DChunkInterface $chunk, AsyncContext $context) {
            $this->assertTrue($chunk->isFirst());
            $this->assertSame(404, $context->getStatusCode());
            $context->getResponse()->cancel();
            $context->replaceRequest('GET', 'http://localhost:8057/');
            $context->passthru();
        });

        $response = $client->request('GET', 'http://localhost:8057/404');

        foreach ($client->stream($response) as $chunk) {
        }
        $this->assertTrue($chunk->isLast());
        $this->assertSame(200, $response->getStatusCode());
    }

    

            } catch (TransportExceptionInterface) {
                $state->lastError = $lastError ?? hrtime(true) / 1E9;

                if (null === $state->buffer || ($isTimeout && hrtime(true) / 1E9 - $state->lastError < $state->reconnectionTime)) {
                    yield $chunk;
                } else {
                    $options['headers']['Last-Event-ID'] = $state->lastEventId;
                    $state->buffer = '';
                    $state->lastError = hrtime(true) / 1E9;
                    $context->getResponse()->cancel();
                    $context->replaceRequest($method, $url, $options);
                    if ($isTimeout) {
                        yield $chunk;
                    } else {
                        $context->pause($state->reconnectionTime);
                    }
                }

                return;
            }

            if ($chunk->isFirst()) {