def METHOD_NAME(uuid, ops=("read", "write"), timeout=300,
                  size=GiB, path="/path/to/image", filename=None):
    ticket = {
        "uuid": uuid,
        "timeout": timeout,
        "ops": list(ops),
        "size": size,
        "path": path,
    }
    if filename is not None:
        ticket["filename"] = filename
    return ticket