class SystemProperties {

    public void overrideParams(Config overrideOptions) {
        config = overrideOptions.withFallback(config);
        validateConfig();
    }

    public  SystemProperties();
    public  SystemProperties(File configFile);
    public  SystemProperties(String configResource);
    public  SystemProperties(Config apiConfig);
    public  SystemProperties(Config apiConfig, ClassLoader classLoader);

}