diff --git a/Controller/ApiController.php b/Controller/ApiController.php
index a4356b5..00699e3 100755
--- a/Controller/ApiController.php
+++ b/Controller/ApiController.php
@@ -201,10 +201,10 @@ final class ApiController extends Controller
      */
     private function createSupplierAttributeFromRequest(RequestAbstract $request) : SupplierAttribute
     {
-        $attribute            = new SupplierAttribute();
-        $attribute->supplier  = (int) $request->getData('supplier');
-        $attribute->type      = new NullSupplierAttributeType((int) $request->getData('type'));
-        $attribute->value     = new NullSupplierAttributeValue((int) $request->getData('value'));
+        $attribute           = new SupplierAttribute();
+        $attribute->supplier = (int) $request->getData('supplier');
+        $attribute->type     = new NullSupplierAttributeType((int) $request->getData('type'));
+        $attribute->value    = new NullSupplierAttributeValue((int) $request->getData('value'));
 
         return $attribute;
     }
diff --git a/Models/SupplierAttributeType.php b/Models/SupplierAttributeType.php
index 5294f27..b116a67 100755
--- a/Models/SupplierAttributeType.php
+++ b/Models/SupplierAttributeType.php
@@ -68,9 +68,7 @@ class SupplierAttributeType implements \JsonSerializable, ArrayableInterface
      *
      * @var string | SupplierAttributeTypeL11n
      */
-    protected string |
-
- SupplierAttributeTypeL11n $l11n;
+    protected string|SupplierAttributeTypeL11n $l11n;
 
     /**
      * Possible default attribute values
@@ -113,16 +111,16 @@ class SupplierAttributeType implements \JsonSerializable, ArrayableInterface
      *
      * @since 1.0.0
      */
-    public function setL11n($l11n, string $lang = ISO639x1Enum::_EN) : void
+    public function setL11n(string|SupplierAttributeTypeL11n $l11n, string $lang = ISO639x1Enum::_EN) : void
     {
         if ($l11n instanceof SupplierAttributeTypeL11n) {
             $this->l11n = $l11n;
-        } elseif (\is_string($l11n)) {
+        } elseif ($this->l11n instanceof SupplierAttributeTypeL11n) {
+            $this->l11n->title = $l11n;
+        } else {
             $this->l11n        = new SupplierAttributeTypeL11n();
             $this->l11n->title = $l11n;
             $this->l11n->setLanguage($lang);
-        } elseif ($this->l11n instanceof SupplierAttributeTypeL11n && \is_string($l11n)) {
-            $this->l11n->title = $l11n;
         }
     }
 
diff --git a/Models/SupplierAttributeTypeL11n.php b/Models/SupplierAttributeTypeL11n.php
index e5cdd98..117f4ca 100755
--- a/Models/SupplierAttributeTypeL11n.php
+++ b/Models/SupplierAttributeTypeL11n.php
@@ -41,9 +41,7 @@ class SupplierAttributeTypeL11n implements \JsonSerializable, ArrayableInterface
      * @var int|SupplierAttributeType
      * @since 1.0.0
      */
-    protected int |
-
-SupplierAttributeType $type = 0;
+    protected int|SupplierAttributeType $type = 0;
 
     /**
      * Language.
diff --git a/Models/SupplierAttributeValue.php b/Models/SupplierAttributeValue.php
index d8f09db..a43332a 100755
--- a/Models/SupplierAttributeValue.php
+++ b/Models/SupplierAttributeValue.php
@@ -153,6 +153,13 @@ class SupplierAttributeValue implements \JsonSerializable, ArrayableInterface
         }
     }
 
+    /**
+     * Get value
+     *
+     * @return null|int|string|float|\DateTimeInterface
+     *
+     * @since 1.0.0
+     */
     public function getValue() : mixed
     {
         if (!empty($this->valueStr)) {
diff --git a/composer.json b/composer.json
index be46f49..0bf301c 100755
--- a/composer.json
+++ b/composer.json
@@ -9,7 +9,7 @@
     ],
     "require-dev": {
         "phpunit/phpunit": ">=9.4",
-        "friendsofphp/php-cs-fixer": ">=2.18",
+        "friendsofphp/php-cs-fixer": ">=3.0",
         "squizlabs/php_codesniffer": ">=3.5",
         "phpmd/phpmd": ">=2.9",
         "phpstan/phpstan": ">=0.12.58",