Mailgun\HttpClientConfigurator::setEndpoint PHP Метод

    public function setEndpoint($endpoint)
    {
        $this->endpoint = $endpoint;
        return $this;
    }

 /**
  * @param string|null                 $apiKey
  * @param HttpClient|null             $httpClient
  * @param string                      $apiEndpoint
  * @param ResponseDeserializer|null   $deserializer
  * @param HttpClientConfigurator|null $clientConfigurator
  * @param RequestBuilder|null         $requestBuilder
  */
 public function __construct($apiKey = null, HttpClient $httpClient = null, $apiEndpoint = 'api.mailgun.net', ResponseDeserializer $deserializer = null, HttpClientConfigurator $clientConfigurator = null, RequestBuilder $requestBuilder = null)
 {
     $this->apiKey = $apiKey;
     $this->restClient = new RestClient($apiKey, $apiEndpoint, $httpClient);
     if (null === $clientConfigurator) {
         $clientConfigurator = new HttpClientConfigurator();
         /*
          * To be backward compatible
          */
         if ($apiEndpoint !== 'api.mailgun.net') {
             $clientConfigurator->setEndpoint($apiEndpoint);
         }
         if ($httpClient !== null) {
             $clientConfigurator->setHttpClient($httpClient);
         }
     }
     $clientConfigurator->setApiKey($apiKey);
     $this->httpClient = $clientConfigurator->createConfiguredClient();
     $this->requestBuilder = $requestBuilder ?: new RequestBuilder();
     $this->deserializer = $deserializer ?: new ModelDeserializer();
 }