/** @var NativeHttpClient $appClient **/
$response = $appClient->request('GET', 'https://google.com');

return new StreamedResponse(
    function () use ($appClient, $response): void {
        foreach ($appClient->stream($response) as $chunk) {
            echo $chunk->getContent(); // it fails because this code is executed AFTER collecting data and so, the client reset
            flush();
        }
    },
    $response->getStatusCode(), // the status code is retrieved BEFORE the reset done by the HttpClientDataCollector
);