Method push

base/src/main/java/net/time4j/PrettyTime.java:1790–1837

(
        long[] values,
        CalendarUnit unit,
        long amount,
        boolean weekToDays
    )

    }

    private static void push(
        long[] values,
        CalendarUnit unit,
        long amount,
        boolean weekToDays
    ) {
        int index;

        switch (unit) {
            case MILLENNIA:
                amount = MathUtils.safeMultiply(amount, 1000);
                index = 0; // YEARS
                break;
            case CENTURIES:
                amount = MathUtils.safeMultiply(amount, 100);
                index = 0; // YEARS
                break;
            case DECADES:
                amount = MathUtils.safeMultiply(amount, 10);
                index = 0; // YEARS
                break;
            case YEARS:
                index = 0; // YEARS
                break;
            case QUARTERS:
                amount = MathUtils.safeMultiply(amount, 3);
                index = 1; // MONTHS
                break;
            case MONTHS:
                index = 1; // MONTHS
                break;
            case WEEKS:
                if (weekToDays) {
                    amount = MathUtils.safeMultiply(amount, 7);
                    index = 3; // DAYS
                } else {
                    index = 2; // WEEKS
                }
                break;
            case DAYS:
                index = 3; // DAYS
                break;
            default:
                throw new UnsupportedOperationException(unit.name());
        }

        values[index] = MathUtils.safeAdd(amount, values[index]);
    }

    private static void push(
        long[] values,