generic: {
  v50 = generic {
    version = "5.0.3";
    sha256 = "1dc3fb9pa2cr6mfwgfyy1hpx26pbrws7989wj2kiiilmvimvrz1l";
  };

  v40 = generic {
    version = "4.0.24";
    sha256 = "01nm0pqsb168qawm1j7b3lixbwkz6hi8hd2052q6dlzqm7s2mi2s";
  };

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