protected function getConfiguration()
 {
     if ($this->configuration == null) {
         $this->configuration = $this->httpClient->getContainer()->get('ex_gooddata.configuration');
         $this->configuration->setStorageApi($this->storageApiClient);
     }
     return $this->configuration;
 }
 /**
  * @return Configuration
  */
 protected function getConfiguration()
 {
     $this->configuration->setStorageApi($this->storageApi);
     return $this->configuration;
 }