def METHOD_NAME(cls):  # pragma: no cover
    """Method called to retrieve the latest uploads to a given backend,
    via, for example, RSS or an API.
    Not Supported
    Returns:
        :obj:`list`: A list of 4-tuples, containing the project name, homepage, the
        backend, and the version.
    Raises:
         NotImplementedError: If backend does not
            support batch updates.
    """
    raise NotImplementedError()