private long[] dates;
    private Supplier<Rounding.Prepared> rounderBuilder;

    @Setup
    public void buildDates() {
        String[] r = range.split(" to ");
        min = FORMATTER.parseMillis(r[0]);
        max = FORMATTER.parseMillis(r[1]);
        dates = new long[count];
        long date = min;
        long diff = (max - min) / dates.length;
        for (int i = 0; i < dates.length; i++) {
            if (date >= max) {