class Config extends AbstractConfig {

    private void fromProperties(Properties properties) {
        for (String key : properties.stringPropertyNames()) {
            put(key, properties.getProperty(key));
        }
    }

    public  Config();
    public  Config(Config other);
    public  Config(String propertiesFile);
    public  Config(InputStream inputStream);
    public  Config(Properties properties);
    public  Config(Map<String, String> properties);

}