<?php  namespace App\Services\Orders;  use App\Models\Address; use App\Models\Product; use App\Models\Discount; use App\Models\ProductVariant; use App\Contracts\DiscountableItem; use App\Models\Order as OrderModel; use App\Contracts\OrderExtraCostsInterface; use App\Services\Orders\ExtraCosts\ExtraShippingCosts; use App\Services\Orders\Shipping\ShippingReturnObject; use App\Services\Orders\Shipping\ShippingServiceFactory; use App\Services\Orders\Discounts\DiscountServiceFactory; use App\Services\Orders\Shipping\ShippingCalculationService;  class OrderCalculationService { 	public function __construct(private ShippingCalculationService $shippingCalculationService, public Order $order){}  	public function calculateTotal(array $items, int $delivery, bool $r1 = false, ?string $code = null, ?string $lang = null, ?Address $address = null, ?string $points = null, ?string $shippingProvider = null): Order{}  	/** 	 * @return Product|ProductVariant 	 */ 	public function getItem(array $item): DiscountableItem{}  	private function setUpOrderAndOrderProducts(array $items, bool $r1, string $country): void{}  	private function applyDiscounts(OrderProduct $product, ?string $code = null, ?string $points = null): void{}  	private function applyGlobalDiscounts(string $amount): void  // applicable on total order price{}  	// private function getTaxRate(OrderProduct $product, ?string $countryCode): void 	/{}  	private function itemsTotal(): void{}  	private function orderTotal(OrderTotalCalc $orderTotalCalc): void{}  	private function shipping(?string $provider = null, int $delivery, ?Address $address): void{}  	private function orderTotalWithShipping(): void{}  	private function recalculate(): void{}  	private function addExtraCostsToShipping(OrderExtraCostsInterface $orderExtraCosts, int $delivery, ?string $shipping_provider): void{}  	private function applyGiftCodeDiscount(?string $code): void{} }