Fix typehints

Author: barryvdh

src/Extension/Eloquent/BelongsToManyTransformer.php

@@ -15,7 +15,7 @@ class BelongsToManyTransformer implements DataTransformerInterface
      *
      * @throws TransformationFailedException
      */
-    public function transform($value)
+    public function transform($value): mixed
     {
         if ($value instanceof BelongsToMany) {
             return $value->pluck($value->getOtherKey())->toArray();
@@ -24,7 +24,7 @@ public function transform($value)
         return $value;
     }
 
-    public function reverseTransform($value)
+    public function reverseTransform($value): mixed
     {
         return null;
     }

src/Extension/EloquentExtension.php

@@ -15,7 +15,7 @@ class EloquentExtension extends AbstractExtension
      *
      * @return FormTypeInterface[] An array of FormTypeInterface instances
      */
-    protected function loadTypes()
+    protected function loadTypes(): array
     {
         return [
           new BelongsToManyType()

src/Extension/FormDefaultsTypeExtension.php

@@ -17,7 +17,7 @@ public function __construct($defaults)
     /**
      * {@inheritdoc}
      */
-    public function configureOptions(OptionsResolver $resolver)
+    public function configureOptions(OptionsResolver $resolver): void
     {
         foreach ($this->defaults as $key => $default) {
             $resolver->setDefault($key, $default);
@@ -31,7 +31,7 @@ public function getExtendedType()
     {
         return FormType::class;
     }
-    
+
     /**
      * {@inheritdoc}
      */

src/Extension/Http/FormTypeHttpExtension.php

@@ -23,7 +23,7 @@ public function __construct(RequestHandlerInterface $requestHandler = null)
     /**
      * {@inheritdoc}
      */
-    public function buildForm(FormBuilderInterface $builder, array $options)
+    public function buildForm(FormBuilderInterface $builder, array $options): void
     {
         $builder->setRequestHandler($this->requestHandler);
     }

src/Extension/Http/HttpRequestHandler.php

@@ -9,7 +9,7 @@ class HttpRequestHandler extends HttpFoundationRequestHandler implements Request
     /**
      * {@inheritdoc}
      */
-    public function handleRequest(FormInterface $form, $request = null)
+    public function handleRequest(FormInterface $form, $request = null): void
     {
         if ($request === null) {
             $request = app('request');

src/Extension/Session/CsrfTypeExtension.php

@@ -17,7 +17,7 @@ class CsrfTypeExtension extends AbstractTypeExtension
      * @param FormInterface $form    The form
      * @param array         $options The options
      */
-    public function finishView(FormView $view, FormInterface $form, array $options)
+    public function finishView(FormView $view, FormInterface $form, array $options): void
     {
         if (!$view->parent && $options['compound']) {
             $factory = $form->getConfig()->getFormFactory();

src/Extension/Session/SessionTypeExtension.php

@@ -22,7 +22,7 @@ public function __construct()
     /**
      * {@inheritdoc}
      */
-    public function buildForm(FormBuilderInterface $builder, array $options)
+    public function buildForm(FormBuilderInterface $builder, array $options): void
     {
         $builder->addEventSubscriber($this->listener);
     }

src/Extension/Validation/ValidationTypeExtension.php

@@ -25,7 +25,7 @@ public function __construct(ValidationFactory $validator)
     /**
      * {@inheritdoc}
      */
-    public function configureOptions(OptionsResolver $resolver)
+    public function configureOptions(OptionsResolver $resolver): void
     {
         $resolver->setDefined(array('rules'));
         $resolver->setDefault('rules', array());
@@ -63,15 +63,15 @@ public function configureOptions(OptionsResolver $resolver)
     /**
      * {@inheritdoc}
      */
-    public function buildForm(FormBuilderInterface $builder, array $options)
+    public function buildForm(FormBuilderInterface $builder, array $options): void
     {
         $builder->addEventSubscriber(new ValidationListener($this->validator));
     }
 
     /**
      * {@inheritdoc}
      */
-    public function buildView(FormView $view, FormInterface $form, array $options)
+    public function buildView(FormView $view, FormInterface $form, array $options): void
     {
         if (! $form->isRoot() && isset($options['rules'])) {
             $rules = $options['rules'];