[Task] Follow up native params and return type hints

bundles/EcommerceFrameworkBundle/src/PriceSystem/Price.php

@@ -30,7 +30,7 @@ class Price implements PriceInterface
 
     private Decimal $netAmount;
 
-    private string $taxEntryCombinationMode = TaxEntry::CALCULATION_MODE_COMBINE;
+    private ?string $taxEntryCombinationMode = TaxEntry::CALCULATION_MODE_COMBINE;
 
     private bool $minPrice;
 
@@ -122,7 +122,7 @@ public function getTaxEntries(): array
     /**
      * {@inheritdoc}
      */
-    public function getTaxEntryCombinationMode(): string
+    public function getTaxEntryCombinationMode(): ?string
     {
         return $this->taxEntryCombinationMode;
     }
@@ -162,7 +162,7 @@ public function setTaxEntries(array $taxEntries): void
     /**
      * {@inheritdoc}
      */
-    public function setTaxEntryCombinationMode(string $taxEntryCombinationMode): void
+    public function setTaxEntryCombinationMode(?string $taxEntryCombinationMode = null): void
     {
         $this->taxEntryCombinationMode = $taxEntryCombinationMode;
     }

bundles/EcommerceFrameworkBundle/src/PriceSystem/PriceInterface.php

@@ -75,9 +75,9 @@ public function getTaxEntries(): array;
     /**
      * Returns tax entry combination mode needed for tax calculation
      *
-     * @return string
+     * @return string|null
      */
-    public function getTaxEntryCombinationMode(): string;
+    public function getTaxEntryCombinationMode(): ?string;
 
     /**
      * Sets gross amount of price. If $recalc is set to true, corresponding net price
@@ -113,9 +113,9 @@ public function setTaxEntries(array $taxEntries): void;
     /**
      * Sets $taxEntryCombinationMode for price.
      *
-     * @param string $taxEntryCombinationMode
+     * @param string|null $taxEntryCombinationMode
      *
      * @return void
      */
-    public function setTaxEntryCombinationMode(string $taxEntryCombinationMode): void;
+    public function setTaxEntryCombinationMode(?string $taxEntryCombinationMode = null): void;
 }

bundles/EcommerceFrameworkBundle/src/Tracking/AbstractProductData.php

@@ -22,7 +22,7 @@ abstract class AbstractProductData extends AbstractData
 
     protected string $name;
 
-    protected string $brand;
+    protected ?string $brand = null;
 
     protected array $categories;
 
@@ -56,12 +56,12 @@ public function setName(string $name): static
         return $this;
     }
 
-    public function getBrand(): string
+    public function getBrand(): ?string
     {
         return $this->brand;
     }
 
-    public function setBrand(string $brand): static
+    public function setBrand(?string $brand = null): static
     {
         $this->brand = $brand;