<?php  namespace App\Services\Orders;  class Totals { 	private string $totalTax = '0'; 	private string $totalPrice = '0'; 	private string $totalDiscounts = '0'; 	private string $totalPriceWithDiscounts = '0';  	public function getTotalTax(): string{}  	public function getTotalPrice(): string{}  	public function getTotalDiscounts(): string{}  	public function getTotalPriceWithDiscounts(): string{}  	public function setTotalTax(string $amount): void{}  	public function setTotalPrice(string $amount): void{}  	public function setTotalDiscounts(string $amount): void{}  	public function setTotalPriceWithDiscounts(string $amount): void{} }