class DateTimeFunctions {

    public static Slice dateFormat(ISOChronology chronology, Locale locale, long timestamp, Slice formatString)
    {
        DateTimeFormatter formatter = DATETIME_FORMATTER_CACHE.get(formatString)
                .withChronology(chronology)
                .withLocale(locale);

        return utf8Slice(formatter.print(timestamp));
    }

    private  DateTimeFunctions();

}