arrow func return typing

Co-authored-by: Kévin Dunglas <[email protected]>

Author: PawelSuwinski

src/AttributeGenerator/ApiPlatformCoreAttributeGenerator.php

@@ -157,7 +157,7 @@ private static function extractParameters(string $type, array $values): array
                 $shortName = (new \ReflectionClass($type))->getShortName();
                 $parameters[$name] = $isArrayType
                     ? array_map(
-                        static fn (array $values) => Literal::new(
+                        static fn (array $values): Literal => Literal::new(
                             $shortName,
                             self::extractParameters($type, $values)
                         ),