@classmethod
def delete(cls, session, body):
    """Issue a delete call on the session

        :param str body: The body of the bulk delete request.
            The API works on a text/plain list of lines in the
            format /container_name (to delete empty containers)
            or /container_name/object_name (to delete objects
            in a container)

        :rtype:`~rackspace.object_store.v1.bulk_delete.BulkDelete`
        """
    resp = session.delete(cls.base_path, service=cls.service, data=body).body
    return cls.existing(**resp)
