code: protected function getContents($url)
      {
          $options = isset($this->repoConfig['options']) ? $this->repoConfig['options'] : array();
  
          return $this->remoteFilesystem->getContents($this->originUrl, $url, false, $options);
      }
docs: Get the remote content.
  
  @param string $url The URL of content
  
  @return mixed The result