def METHOD_NAME():
    """
    Return a list of gids in use
    """
    output = __salt__["cmd.run"](
        ["dscacheutil", "-q", "group"], output_loglevel="quiet", python_shell=False
    )
    ret = set()
    for line in salt.utils.itertools.split(output, "\n"):
        if line.startswith("gid:"):
            ret.update(line.split()[1:])
    return sorted(ret)