generic: {
  v50 = generic {
    version = "5.0.5";
    sha256 = "104jxyaclx92pyas7kqz357da7qjcw44yx3yi7vqlc7h5ch3avgc";
  };

  v40 = generic {
    version = "4.0.26";
    sha256 = "0mbk8afkwv208hwyl0zr2l4sib65z7n9ykisznk6pjzb9kdl73s1";
  };

  v30 = generic {
    version = "3.0.31";
    sha256 = "0a2jznpmg24lqdqbc9p8i2q6jkz0hx53hh6q12xsvvmq48vi3snm";
  };
}