Merge pull request #21 from arnedesmedt/feature/php8.4-remove-depreca…

…tion-warnings-explicit-nullable-types

Explicit nullable types

src/ImmutableRecordLogic.php

@@ -56,7 +56,7 @@ public static function fromArray(array $nativeData): self
         return new self(null, $nativeData);
     }
 
-    private function __construct(array $recordData = null, array $nativeData = null)
+    private function __construct(array|null $recordData = null, array|null $nativeData = null)
     {
         if (null === self::$__propTypeMap) {
             self::$__propTypeMap = self::buildPropTypeMap();