code: def get_file_range(ase, offsets, timeout=None):
      # type: (blobxfer.models.azure.StorageEntity,
      #        blobxfer.models.download.Offsets, int) -> bytes
      
      dir, fpath, _ = parse_file_path(ase.name)
      return ase.client._get_file(
          share_name=ase.container,
          directory_name=dir,
          file_name=fpath,
          start_range=offsets.range_start,
          end_range=offsets.range_end,
          validate_content=False,  # HTTPS takes care of integrity during xfer
          timeout=timeout,
          snapshot=ase.snapshot,
      ).content
docs: Retrieve file range
      :param blobxfer.models.azure.StorageEntity ase: Azure StorageEntity
      :param blobxfer.models.download.Offsets offsets: download offsets
      :param int timeout: timeout
      :rtype: bytes
      :return: content for file range