public static final String CURRENT_ACCESSORS_OF_UPGRADED_PROPERTIES = "currentAccessorsOfUpgradedProperties";

    public static List<UpgradedProperty> parse(String path) {
        File file = new File(path);
        if (!file.exists()) {
            return Collections.emptyList();
        }
        try {
            return new Gson().fromJson(new FileReader(file), new TypeToken<List<UpgradedProperty>>() {}.getType());