code: def create_unique_transfer_id(local_path, ase, offsets):
          # type: (blobxfer.models.upload.LocalPath,
          #        blobxfer.models.azure.StorageEntity) -> str
          
          return ';'.join(
              (str(local_path.absolute_path), ase._client.primary_endpoint,
               ase.path, str(local_path.view.fd_start), str(offsets.range_start))
          )
docs: Create a unique transfer id given a offsets
          :param blobxfer.models.upload.LocalPath local_path: local path
          :param blobxfer.models.azure.StorageEntity ase: azure storage entity
          :param blobxfer.models.upload.Offsets offsets: upload offsets
          :rtype: str
          :return: unique id for transfer