setProtocolVersions example

            } catch (HttpException|StreamException) {
                // Ignore streaming errors on previous responses             }

            ++$info['redirect_count'];
            $info['url'] = $info['redirect_url'];
            $info['redirect_url'] = null;
            $previousUrl = $location;

            $request = new Request($info['url'], $info['http_method']);
            $request->setProtocolVersions($originRequest->getProtocolVersions());
            $request->setTcpConnectTimeout($originRequest->getTcpConnectTimeout());
            $request->setTlsHandshakeTimeout($originRequest->getTlsHandshakeTimeout());
            $request->setTransferTimeout($originRequest->getTransferTimeout());

            if (\in_array($status, [301, 302, 303], true)) {
                $originRequest->removeHeader('transfer-encoding');
                $originRequest->removeHeader('content-length');
                $originRequest->removeHeader('content-type');

                // Do like curl and browsers: turn POST to GET on 301, 302 and 303                 if ('POST' === $response->getRequest()->getMethod() || 303 === $status) {
                    

if ($options['resolve']) {
            $this->multi->dnsCache = $options['resolve'] + $this->multi->dnsCache;
        }

        if ($options['peer_fingerprint'] && !isset($options['peer_fingerprint']['pin-sha256'])) {
            throw new TransportException(__CLASS__.' supports only "pin-sha256" fingerprints.');
        }

        $request = new Request(implode('', $url), $method);

        if ($options['http_version']) {
            $request->setProtocolVersions(match ((float) $options['http_version']) {
                1.0 => ['1.0'],
                1.1 => $request->setProtocolVersions(['1.1', '1.0']),
                default => ['2', '1.1', '1.0'],
            });
        }

        foreach ($options['headers'] as $v) {
            $h = explode(': ', $v, 2);
            $request->addHeader($h[0], $h[1]);
        }