Declare some properties as readonly

Author: PowerKiKi

src/Definition/Operator/AbstractOperator.php

@@ -20,7 +20,7 @@
 abstract class AbstractOperator extends InputObjectType
 {
     final public function __construct(
-        protected Types $types,
+        protected readonly Types $types,
         LeafType $leafType,
     ) {
         $config = $this->getConfiguration($leafType);

src/Factory/AbstractFactory.php

@@ -21,8 +21,8 @@ abstract class AbstractFactory
     protected readonly Reader $reader;
 
     public function __construct(
-        protected Types $types,
-        protected EntityManager $entityManager,
+        protected readonly Types $types,
+        protected readonly EntityManager $entityManager,
     ) {
         $this->reader = new Reader();
     }

tests/DocBlockReaderTest.php

@@ -135,7 +135,7 @@ private function createParameter(string $name): ReflectionParameter
     {
         return new class($name) extends ReflectionParameter {
             public function __construct(
-                public string $mockedName,
+                public readonly string $mockedName,
             ) {}
 
             public function getName(): string