code: func (d *driver) GetContent(ctx context.Context, path string) ([]byte, error) {
  	blobRef := d.client.GetContainerReference(d.container).GetBlobReference(path)
  	blob, err := blobRef.Get(nil)
  	if err != nil {
  		if is404(err) {
  			return nil, storagedriver.PathNotFoundError{Path: path}
  		}
  		return nil, err
  	}
  
  	defer blob.Close()
  	return ioutil.ReadAll(blob)
  }
docs: // GetContent retrieves the content stored at "path" as a []byte.