identifier = $identifier; } public function getIdentifier() : string { return $this->identifier; } public function setProductId(string $id) : void { $this->productId = $id; } public function getProductId() : string { return $this->productId; } public function setMeasureOfUnit(int $measure) : void { $this->measureOfUnit = $measure; } public function getMeasureOfUnit() : int { return $this->measureOfUnit; } public function setDateFormat(string $format) : void { $this->dateFormat = $format; } public function getDateFormat() : string { return $this->dateFormat(); } public function setExpirationDate(\DateTime $date) : void { $this->expirationDate = $date; } public function getExpirationDate() : \DateTime { return $this->expirationDate; } public function setPrductionDate(\DateTime $date) : void { $this->productionDate = $date; } public function getProductionDate() : \DateTime { return $this->productionDate; } public function setLot(string $lot) : void { $this->lot = $lot; } public function getLot() : string { return $this->lot; } public function getCheckValue() : int { return $this->checkValue; } public function getPrimaryDi() : string { return ''; } public function getSecondaryDi() : string { return ''; } }