System.out.println("desconto refeicao " + lunchBreak.minus(getMandatoryMealDiscount()).toPeriod().toString()); return lunchBreak.minus(getMandatoryMealDiscount());
System.out.println("desconto refeicao " + lunchBreak.minus(getMandatoryMealDiscount()).toPeriod().toString());  return getMandatoryMealDiscount().minus(lunchBreak);
    public Duration calculateMealDiscount(Duration lunchBreak) {        if (lunchBreak.isShorterThan(getMandatoryMealDiscount()) || lunchBreak.isEqual(getMandatoryMealDiscount())) {            System.out.println("almocou em menos de 1 hora");            System.out.println("desconto refeicao " + lunchBreak.minus(getMandatoryMealDiscount()).toPeriod().toString());            return lunchBreak.minus(getMandatoryMealDiscount());        } else {            return Duration.ZERO;        }    }