refactor: Improve setClassifiedTaxCategory and setTaxCategory to accept both single TaxCategory objects and arrays, ensuring flexibility and better usability.

Author: Saleh7

src/AllowanceCharge.php

@@ -201,12 +201,16 @@ public function getTaxCategory(): ?TaxCategory
     /**
      * Set the tax category.
      *
-     * @param TaxCategory|null $taxCategory
+     * @param TaxCategory|array|null $taxCategory
      * @return self
      */
-    public function setTaxCategory(?array $taxCategory): self
+    public function setTaxCategory(TaxCategory|array|null $taxCategory): self
     {
-        $this->taxCategory = $taxCategory;
+        if ($taxCategory instanceof TaxCategory) {
+            $this->taxCategory = [$taxCategory];
+        } else {
+            $this->taxCategory = $taxCategory;
+        }
         return $this;
     }
 

src/Item.php

@@ -159,12 +159,16 @@ public function getSellersItemIdentification(): ?string
     /**
      * Set the classified tax category.
      *
-     * @param array|null $classifiedTaxCategory
+     * @param ClassifiedTaxCategory|array|null $classifiedTaxCategory
      * @return self
      */
-    public function setClassifiedTaxCategory(?array $classifiedTaxCategory): self
+    public function setClassifiedTaxCategory(ClassifiedTaxCategory|array|null $classifiedTaxCategory): self
     {
-        $this->classifiedTaxCategory = $classifiedTaxCategory;
+        if ($classifiedTaxCategory instanceof ClassifiedTaxCategory) {
+            $this->classifiedTaxCategory = [$classifiedTaxCategory];
+        } else {
+            $this->classifiedTaxCategory = $classifiedTaxCategory;
+        }
         return $this;
     }