code: protected function getStorageClient($path = '')
      {
          if (is_null($this->storageClient)) {
              $url = explode(':', $path);
              if (!$url) {
                  throw new BlobException('Could not parse path "' . $path . '".');
              }
  
              $this->storageClient = BlobClient::getWrapperClient($url[0]);
              if (!$this->storageClient) {
                  throw new BlobException('No storage client registered for stream type "' . $url[0] . '://".');
              }
          }
  
          return $this->storageClient;
      }
docs: Retrieve storage client for this stream type
  
  @param string $path
  @return BlobClient