fix: as non nullable

Author: soyuka

src/Metadata/Util/PropertyInfoToTypeInfoHelper.php

@@ -17,6 +17,7 @@
 use Symfony\Component\TypeInfo\Exception\InvalidArgumentException;
 use Symfony\Component\TypeInfo\Type;
 use Symfony\Component\TypeInfo\Type\BuiltinType;
+use Symfony\Component\TypeInfo\Type\NullableType;
 use Symfony\Component\TypeInfo\Type\UnionType;
 use Symfony\Component\TypeInfo\TypeIdentifier;
 
@@ -126,11 +127,16 @@ public static function createTypeFromLegacyValues(string $builtinType, bool $nul
 
     public static function unwrapNullableType(Type $type): Type
     {
-        if (!$type instanceof UnionType) {
+        // BC layer for "symfony/type-info" < 7.2
+        if (method_exists($type, 'asNonNullable')) {
+            return (!$type instanceof UnionType) ? $type : $type->asNonNullable();
+        }
+
+        if (!$type instanceof NullableType) {
             return $type;
         }
 
-        return $type->asNonNullable();
+        return $type->getWrappedType();
     }
 
     /**