/**
* @param DateTime $startDate
* @param DateTime $endDate
*/
private function checkStartEndDateAndSetInterval(DateTime $startDate, DateTime $endDate)
{
if ($startDate < $endDate) {
$this->newDateIntervalDifference($startDate, $endDate);
} else {
throw new InvalidArgumentException(ErrorMessages::getStartDateMustBeBeforeEndDateMessage());
}
}
