def METHOD_NAME(
    uri: URL, project_name: str, cluster_name: str, org_name: Optional[str]
) -> URL:
    """Normalize disk url."""
    if uri.scheme != "disk":
        raise ValueError(
            f"Invalid disk scheme '{uri.scheme}:' (only 'disk:' is allowed)"
        )
    return _normalize_uri(uri, project_name, cluster_name, org_name)