generic: {
  v50 = generic {
    version = "5.0.12";
    sha256 = "1gxlsmvz3m3dm4qqgx5qg5zjs680salah17mdzm3m27w8srg13i5";
  };

  v40 = generic {
    version = "4.0.31";
    sha256 = "1jfawwwqzd9bsywsn4qc7d1j2a4i8d92xg16k0f3y34pbmfm4603";
  };
}