getPrice() ; } public function getUnitInherited(): ?Unit { return $this->getUnit() ; } public function getTaxRateInherited(): ?TaxRate { return $this->getTaxRate() ; } public function getPrice(): ?float { return $this->price; } public function setPrice(?float $price): self { $this->price = $price; return $this; } public function getUnit(): ?Unit { return $this->unit; } public function setUnit(Unit $unit): self { $this->unit = $unit; return $this; } public function getTaxRate(): ?TaxRate { return $this->taxRate; } public function setTaxRate(?TaxRate $taxRate): self { $this->taxRate = $taxRate; return $this; } }