Mailgun\Connection\RestClient::get PHP Method

    public function get($endpointUrl, $queryString = [])
    {
        return $this->send('GET', $endpointUrl . '?' . http_build_query($queryString));
    }

 /**
  * @param string $endpointUrl
  * @param array $queryString
  * @return \stdClass
  */
 public function get($endpointUrl, $queryString = array())
 {
     return $this->restClient->get($endpointUrl, $queryString);
 }