dateRange) { return null; } return $this->dateRange->getBegin(); } public function setBegin(\DateTime $begin): void { $this->dateRange->setBegin($begin); } public function getEnd(): ?\DateTime { if (null === $this->dateRange) { return null; } return $this->dateRange->getEnd(); } public function setEnd(\DateTime $end): void { $this->dateRange->setEnd($end); } public function getDateRange(): ?DateRange { return $this->dateRange; } public function setDateRange(DateRange $dateRange): void { $this->dateRange = $dateRange; } }