itemSequenceNumber; } public function setItemSequenceNumber(string $itemSequenceNumber): self { $this->itemSequenceNumber = $itemSequenceNumber; return $this; } public function getBuyerProductIdentifier(): string { return $this->buyerProductIdentifier; } public function setBuyerProductIdentifier(string $buyerProductIdentifier): self { $this->buyerProductIdentifier = $buyerProductIdentifier; return $this; } public function getVendorProductIdentifier(): string { return $this->vendorProductIdentifier; } public function setVendorProductIdentifier(string $vendorProductIdentifier): self { $this->vendorProductIdentifier = $vendorProductIdentifier; return $this; } public function getInvoicedQuantity(): Quantity { return $this->invoicedQuantity; } public function setInvoicedQuantity(Quantity $invoicedQuantity): self { $this->invoicedQuantity = $invoicedQuantity; return $this; } public function getNetCost(): Price { return $this->netCost; } public function setNetCost(Price $netCost): self { $this->netCost = $netCost; return $this; } public function getPurchaseOrderNumber(): string { return $this->purchaseOrderNumber; } public function setPurchaseOrderNumber(string $purchaseOrderNumber): self { $this->purchaseOrderNumber = $purchaseOrderNumber; return $this; } public function getTaxDetails(): TaxDetails { return $this->taxDetails; } public function setTaxDetails(TaxDetails $taxDetails): self { $this->taxDetails = $taxDetails; return $this; } public function toArray() { return [ 'purchaseOrderNumber' => $this->purchaseOrderNumber, 'itemSequenceNumber' => $this->itemSequenceNumber, 'invoicedQuantity' => $this->invoicedQuantity->toArray(), 'netCost' => $this->netCost->toArray(), 'taxDetails' => $this->taxDetails->toArray(), // not implemented yet 'chargeDetails' => [], ]; } }