code: private function getClient()
      {
          if (null !== $this->client) {
              return $this->client;
          }
  
          try {
              return $this->client = new \SoapClient(static::ENDPOINT);
          } catch (\SoapFault $oExcept) {
              if ($this->debug) {
                  @trigger_error('Failed to connect to the europa web service: ' . $oExcept->getMessage());
              }
          }
  
          return $this->client = null;
      }
docs: Returns the soap client.
  
  @return \SoapClient