Guzzle.php

<?php

declare (strict_types=1);
namespace OpenTelemetry\SDK\Common\Http\Psr\Client\Discovery;

use GuzzleHttp\Client;
use Psr\Http\Client\ClientInterface;
class Guzzle implements DiscoveryInterface {
    public function available() : bool {
        return class_exists(Client::class) && is_a(Client::class, ClientInterface::class, true);
    }
    public function create(mixed $options) : ClientInterface {
        return new Client($options);
    }

}