class PropertiesLoader {

    public Map<String, String> loadFromList(List<String> lines) {
        Map<String, String> props = new HashMap<String, String>();

        for (String line : lines) {
            String[] keyval = parseLine(line);
            if (keyval != null) {
                props.put(keyval[0], keyval[1]);
            }
        }

        return props;
    }

    public  PropertiesLoader(CryptoService cryptoService);
    public  PropertiesLoader();

}