[Components] Convert to native return types

AbstractExtension.php

@@ -98,7 +98,7 @@ abstract class AbstractExtension implements FormExtensionInterface
      *
      * @return FormTypeInterface[]
      */
-    protected function loadTypes()
+    protected function loadTypes(): array
     {
         return [];
     }
@@ -115,10 +115,8 @@ abstract class AbstractExtension implements FormExtensionInterface
 
     /**
      * Registers the type guesser.
-     *
-     * @return FormTypeGuesserInterface|null
      */
-    protected function loadTypeGuesser()
+    protected function loadTypeGuesser(): ?FormTypeGuesserInterface
     {
         return null;
     }

AbstractRendererEngine.php

@@ -61,10 +61,7 @@ abstract class AbstractRendererEngine implements FormRendererEngineInterface, Re
         $this->defaultThemes = $defaultThemes;
     }
 
-    /**
-     * @return void
-     */
-    public function setTheme(FormView $view, mixed $themes, bool $useDefaultThemes = true)
+    public function setTheme(FormView $view, mixed $themes, bool $useDefaultThemes = true): void
     {
         $cacheKey = $view->vars[self::CACHE_KEY_VAR];
 
@@ -124,10 +121,8 @@ abstract class AbstractRendererEngine implements FormRendererEngineInterface, Re
      * Loads the cache with the resource for a given block name.
      *
      * @see getResourceForBlock()
-     *
-     * @return bool
      */
-    abstract protected function loadResourceForBlockName(string $cacheKey, FormView $view, string $blockName);
+    abstract protected function loadResourceForBlockName(string $cacheKey, FormView $view, string $blockName): bool;
 
     /**
      * Loads the cache with the resource for a specific level of a block hierarchy.

AbstractType.php

@@ -20,46 +20,28 @@ use Symfony\Component\OptionsResolver\OptionsResolver;
  */
 abstract class AbstractType implements FormTypeInterface
 {
-    /**
-     * @return void
-     */
-    public function buildForm(FormBuilderInterface $builder, array $options)
+    public function buildForm(FormBuilderInterface $builder, array $options): void
     {
     }
 
-    /**
-     * @return void
-     */
-    public function buildView(FormView $view, FormInterface $form, array $options)
+    public function buildView(FormView $view, FormInterface $form, array $options): void
     {
     }
 
-    /**
-     * @return void
-     */
-    public function finishView(FormView $view, FormInterface $form, array $options)
+    public function finishView(FormView $view, FormInterface $form, array $options): void
     {
     }
 
-    /**
-     * @return void
-     */
-    public function configureOptions(OptionsResolver $resolver)
+    public function configureOptions(OptionsResolver $resolver): void
     {
     }
 
-    /**
-     * @return string
-     */
-    public function getBlockPrefix()
+    public function getBlockPrefix(): string
     {
         return StringUtil::fqcnToBlockPrefix(static::class) ?: '';
     }
 
-    /**
-     * @return string|null
-     */
-    public function getParent()
+    public function getParent(): ?string
     {
         return FormType::class;
     }

AbstractTypeExtension.php

@@ -18,31 +18,19 @@ use Symfony\Component\OptionsResolver\OptionsResolver;
  */
 abstract class AbstractTypeExtension implements FormTypeExtensionInterface
 {
-    /**
-     * @return void
-     */
-    public function buildForm(FormBuilderInterface $builder, array $options)
+    public function buildForm(FormBuilderInterface $builder, array $options): void
     {
     }
 
-    /**
-     * @return void
-     */
-    public function buildView(FormView $view, FormInterface $form, array $options)
+    public function buildView(FormView $view, FormInterface $form, array $options): void
     {
     }
 
-    /**
-     * @return void
-     */
-    public function finishView(FormView $view, FormInterface $form, array $options)
+    public function finishView(FormView $view, FormInterface $form, array $options): void
     {
     }
 
-    /**
-     * @return void
-     */
-    public function configureOptions(OptionsResolver $resolver)
+    public function configureOptions(OptionsResolver $resolver): void
     {
     }
 }

ButtonBuilder.php

@@ -11,7 +11,6 @@
 
 namespace Symfony\Component\Form;
 
-use Symfony\Component\EventDispatcher\EventDispatcherInterface;
 use Symfony\Component\EventDispatcher\EventSubscriberInterface;
 use Symfony\Component\Form\Exception\BadMethodCallException;
 use Symfony\Component\Form\Exception\InvalidArgumentException;
@@ -52,11 +51,9 @@ class ButtonBuilder implements \IteratorAggregate, FormBuilderInterface
     /**
      * Unsupported method.
      *
-     * @return never
-     *
      * @throws BadMethodCallException
      */
-    public function add(string|FormBuilderInterface $child, string $type = null, array $options = []): static
+    public function add(string|FormBuilderInterface $child, string $type = null, array $options = []): never
     {
         throw new BadMethodCallException('Buttons cannot have children.');
     }
@@ -64,11 +61,9 @@ class ButtonBuilder implements \IteratorAggregate, FormBuilderInterface
     /**
      * Unsupported method.
      *
-     * @return never
-     *
      * @throws BadMethodCallException
      */
-    public function create(string $name, string $type = null, array $options = []): FormBuilderInterface
+    public function create(string $name, string $type = null, array $options = []): never
     {
         throw new BadMethodCallException('Buttons cannot have children.');
     }
@@ -76,11 +71,9 @@ class ButtonBuilder implements \IteratorAggregate, FormBuilderInterface
     /**
      * Unsupported method.
      *
-     * @return never
-     *
      * @throws BadMethodCallException
      */
-    public function get(string $name): FormBuilderInterface
+    public function get(string $name): never
     {
         throw new BadMethodCallException('Buttons cannot have children.');
     }
@@ -88,11 +81,9 @@ class ButtonBuilder implements \IteratorAggregate, FormBuilderInterface
     /**
      * Unsupported method.
      *
-     * @return never
-     *
      * @throws BadMethodCallException
      */
-    public function remove(string $name): static
+    public function remove(string $name): never
     {
         throw new BadMethodCallException('Buttons cannot have children.');
     }
@@ -124,11 +115,9 @@ class ButtonBuilder implements \IteratorAggregate, FormBuilderInterface
     /**
      * Unsupported method.
      *
-     * @return never
-     *
      * @throws BadMethodCallException
      */
-    public function addEventListener(string $eventName, callable $listener, int $priority = 0): static
+    public function addEventListener(string $eventName, callable $listener, int $priority = 0): never
     {
         throw new BadMethodCallException('Buttons do not support event listeners.');
     }
@@ -136,11 +125,9 @@ class ButtonBuilder implements \IteratorAggregate, FormBuilderInterface
     /**
      * Unsupported method.
      *
-     * @return never
-     *
      * @throws BadMethodCallException
      */
-    public function addEventSubscriber(EventSubscriberInterface $subscriber): static
+    public function addEventSubscriber(EventSubscriberInterface $subscriber): never
     {
         throw new BadMethodCallException('Buttons do not support event subscribers.');
     }
@@ -148,11 +135,9 @@ class ButtonBuilder implements \IteratorAggregate, FormBuilderInterface
     /**
      * Unsupported method.
      *
-     * @return never
-     *
      * @throws BadMethodCallException
      */
-    public function addViewTransformer(DataTransformerInterface $viewTransformer, bool $forcePrepend = false): static
+    public function addViewTransformer(DataTransformerInterface $viewTransformer, bool $forcePrepend = false): never
     {
         throw new BadMethodCallException('Buttons do not support data transformers.');
     }
@@ -160,11 +145,9 @@ class ButtonBuilder implements \IteratorAggregate, FormBuilderInterface
     /**
      * Unsupported method.
      *
-     * @return never
-     *
      * @throws BadMethodCallException
      */
-    public function resetViewTransformers(): static
+    public function resetViewTransformers(): never
     {
         throw new BadMethodCallException('Buttons do not support data transformers.');
     }
@@ -172,11 +155,9 @@ class ButtonBuilder implements \IteratorAggregate, FormBuilderInterface
     /**
      * Unsupported method.
      *
-     * @return never
-     *
      * @throws BadMethodCallException
      */
-    public function addModelTransformer(DataTransformerInterface $modelTransformer, bool $forceAppend = false): static
+    public function addModelTransformer(DataTransformerInterface $modelTransformer, bool $forceAppend = false): never
     {
         throw new BadMethodCallException('Buttons do not support data transformers.');
     }
@@ -184,11 +165,9 @@ class ButtonBuilder implements \IteratorAggregate, FormBuilderInterface
     /**
      * Unsupported method.
      *
-     * @return never
-     *
      * @throws BadMethodCallException
      */
-    public function resetModelTransformers(): static
+    public function resetModelTransformers(): never
     {
         throw new BadMethodCallException('Buttons do not support data transformers.');
     }
@@ -216,11 +195,9 @@ class ButtonBuilder implements \IteratorAggregate, FormBuilderInterface
     /**
      * Unsupported method.
      *
-     * @return never
-     *
      * @throws BadMethodCallException
      */
-    public function setDataMapper(?DataMapperInterface $dataMapper): static
+    public function setDataMapper(?DataMapperInterface $dataMapper): never
     {
         throw new BadMethodCallException('Buttons do not support data mappers.');
     }
@@ -240,11 +217,9 @@ class ButtonBuilder implements \IteratorAggregate, FormBuilderInterface
     /**
      * Unsupported method.
      *
-     * @return never
-     *
      * @throws BadMethodCallException
      */
-    public function setEmptyData(mixed $emptyData): static
+    public function setEmptyData(mixed $emptyData): never
     {
         throw new BadMethodCallException('Buttons do not support empty data.');
     }
@@ -252,11 +227,9 @@ class ButtonBuilder implements \IteratorAggregate, FormBuilderInterface
     /**
      * Unsupported method.
      *
-     * @return never
-     *
      * @throws BadMethodCallException
      */
-    public function setErrorBubbling(bool $errorBubbling): static
+    public function setErrorBubbling(bool $errorBubbling): never
     {
         throw new BadMethodCallException('Buttons do not support error bubbling.');
     }
@@ -264,11 +237,9 @@ class ButtonBuilder implements \IteratorAggregate, FormBuilderInterface
     /**
      * Unsupported method.
      *
-     * @return never
-     *
      * @throws BadMethodCallException
      */
-    public function setRequired(bool $required): static
+    public function setRequired(bool $required): never
     {
         throw new BadMethodCallException('Buttons cannot be required.');
     }
@@ -276,11 +247,9 @@ class ButtonBuilder implements \IteratorAggregate, FormBuilderInterface
     /**
      * Unsupported method.
      *
-     * @return never
-     *
      * @throws BadMethodCallException
      */
-    public function setPropertyPath(string|PropertyPathInterface|null $propertyPath): static
+    public function setPropertyPath(string|PropertyPathInterface|null $propertyPath): never
     {
         throw new BadMethodCallException('Buttons do not support property paths.');
     }
@@ -288,11 +257,9 @@ class ButtonBuilder implements \IteratorAggregate, FormBuilderInterface
     /**
      * Unsupported method.
      *
-     * @return never
-     *
      * @throws BadMethodCallException
      */
-    public function setMapped(bool $mapped): static
+    public function setMapped(bool $mapped): never
     {
         throw new BadMethodCallException('Buttons do not support data mapping.');
     }
@@ -300,11 +267,9 @@ class ButtonBuilder implements \IteratorAggregate, FormBuilderInterface
     /**
      * Unsupported method.
      *
-     * @return never
-     *
      * @throws BadMethodCallException
      */
-    public function setByReference(bool $byReference): static
+    public function setByReference(bool $byReference): never
     {
         throw new BadMethodCallException('Buttons do not support data mapping.');
     }
@@ -312,11 +277,9 @@ class ButtonBuilder implements \IteratorAggregate, FormBuilderInterface
     /**
      * Unsupported method.
      *
-     * @return never
-     *
      * @throws BadMethodCallException
      */
-    public function setCompound(bool $compound): static
+    public function setCompound(bool $compound): never
     {
         throw new BadMethodCallException('Buttons cannot be compound.');
     }
@@ -336,11 +299,9 @@ class ButtonBuilder implements \IteratorAggregate, FormBuilderInterface
     /**
      * Unsupported method.
      *
-     * @return never
-     *
      * @throws BadMethodCallException
      */
-    public function setData(mixed $data): static
+    public function setData(mixed $data): never
     {
         throw new BadMethodCallException('Buttons do not support data.');
     }
@@ -348,11 +309,9 @@ class ButtonBuilder implements \IteratorAggregate, FormBuilderInterface
     /**
      * Unsupported method.
      *
-     * @return never
-     *
      * @throws BadMethodCallException
      */
-    public function setDataLocked(bool $locked): static
+    public function setDataLocked(bool $locked): never
     {
         throw new BadMethodCallException('Buttons do not support data locking.');
     }
@@ -360,11 +319,9 @@ class ButtonBuilder implements \IteratorAggregate, FormBuilderInterface
     /**
      * Unsupported method.
      *
-     * @return never
-     *
      * @throws BadMethodCallException
      */
-    public function setFormFactory(FormFactoryInterface $formFactory)
+    public function setFormFactory(FormFactoryInterface $formFactory): never
     {
         throw new BadMethodCallException('Buttons do not support form factories.');
     }
@@ -372,11 +329,9 @@ class ButtonBuilder implements \IteratorAggregate, FormBuilderInterface
     /**
      * Unsupported method.
      *
-     * @return never
-     *
      * @throws BadMethodCallException
      */
-    public function setAction(string $action): static
+    public function setAction(string $action): never
     {
         throw new BadMethodCallException('Buttons do not support actions.');
     }
@@ -384,11 +339,9 @@ class ButtonBuilder implements \IteratorAggregate, FormBuilderInterface
     /**
      * Unsupported method.
      *
-     * @return never
-     *
      * @throws BadMethodCallException
      */
-    public function setMethod(string $method): static
+    public function setMethod(string $method): never
     {
         throw new BadMethodCallException('Buttons do not support methods.');
     }
@@ -396,11 +349,9 @@ class ButtonBuilder implements \IteratorAggregate, FormBuilderInterface
     /**
      * Unsupported method.
      *
-     * @return never
-     *
      * @throws BadMethodCallException
      */
-    public function setRequestHandler(RequestHandlerInterface $requestHandler): static
+    public function setRequestHandler(RequestHandlerInterface $requestHandler): never
     {
         throw new BadMethodCallException('Buttons do not support request handlers.');
     }
@@ -424,11 +375,9 @@ class ButtonBuilder implements \IteratorAggregate, FormBuilderInterface
     /**
      * Unsupported method.
      *
-     * @return never
-     *
      * @throws BadMethodCallException
      */
-    public function setInheritData(bool $inheritData): static
+    public function setInheritData(bool $inheritData): never
     {
         throw new BadMethodCallException('Buttons do not support data inheritance.');
     }
@@ -448,11 +397,9 @@ class ButtonBuilder implements \IteratorAggregate, FormBuilderInterface
     /**
      * Unsupported method.
      *
-     * @return never
-     *
      * @throws BadMethodCallException
      */
-    public function setIsEmptyCallback(?callable $isEmptyCallback): static
+    public function setIsEmptyCallback(?callable $isEmptyCallback): never
     {
         throw new BadMethodCallException('Buttons do not support "is empty" callback.');
     }
@@ -460,11 +407,9 @@ class ButtonBuilder implements \IteratorAggregate, FormBuilderInterface
     /**
      * Unsupported method.
      *
-     * @return never
-     *
      * @throws BadMethodCallException
      */
-    public function getEventDispatcher(): EventDispatcherInterface
+    public function getEventDispatcher(): never
     {
         throw new BadMethodCallException('Buttons do not support event dispatching.');
     }
@@ -620,10 +565,8 @@ class ButtonBuilder implements \IteratorAggregate, FormBuilderInterface
 
     /**
      * Unsupported method.
-     *
-     * @return never
      */
-    public function getFormFactory(): FormFactoryInterface
+    public function getFormFactory(): never
     {
         throw new BadMethodCallException('Buttons do not support adding children.');
     }
@@ -631,11 +574,9 @@ class ButtonBuilder implements \IteratorAggregate, FormBuilderInterface
     /**
      * Unsupported method.
      *
-     * @return never
-     *
      * @throws BadMethodCallException
      */
-    public function getAction(): string
+    public function getAction(): never
     {
         throw new BadMethodCallException('Buttons do not support actions.');
     }
@@ -643,11 +584,9 @@ class ButtonBuilder implements \IteratorAggregate, FormBuilderInterface
     /**
      * Unsupported method.
      *
-     * @return never
-     *
      * @throws BadMethodCallException
      */
-    public function getMethod(): string
+    public function getMethod(): never
     {
         throw new BadMethodCallException('Buttons do not support methods.');
     }
@@ -655,11 +594,9 @@ class ButtonBuilder implements \IteratorAggregate, FormBuilderInterface
     /**
      * Unsupported method.
      *
-     * @return never
-     *
      * @throws BadMethodCallException
      */
-    public function getRequestHandler(): RequestHandlerInterface
+    public function getRequestHandler(): never
     {
         throw new BadMethodCallException('Buttons do not support request handlers.');
     }
@@ -707,11 +644,9 @@ class ButtonBuilder implements \IteratorAggregate, FormBuilderInterface
     /**
      * Unsupported method.
      *
-     * @return never
-     *
      * @throws BadMethodCallException
      */
-    public function getIsEmptyCallback(): ?callable
+    public function getIsEmptyCallback(): never
     {
         throw new BadMethodCallException('Buttons do not support "is empty" callback.');
     }

ChoiceList/Factory/CachingFactoryDecorator.php

@@ -214,10 +214,7 @@ class CachingFactoryDecorator implements ChoiceListFactoryInterface, ResetInterf
         return $this->views[$hash];
     }
 
-    /**
-     * @return void
-     */
-    public function reset()
+    public function reset(): void
     {
         $this->lists = [];
         $this->views = [];

Command/DebugCommand.php

@@ -54,10 +54,7 @@ class DebugCommand extends Command
         $this->fileLinkFormatter = $fileLinkFormatter;
     }
 
-    /**
-     * @return void
-     */
-    protected function configure()
+    protected function configure(): void
     {
         $this
             ->setDefinition([

DataMapperInterface.php

@@ -25,11 +25,9 @@ interface DataMapperInterface
      * @param mixed                              $viewData View data of the compound form being initialized
      * @param \Traversable<mixed, FormInterface> $forms    A list of {@link FormInterface} instances
      *
-     * @return void
-     *
      * @throws Exception\UnexpectedTypeException if the type of the data parameter is not supported
      */
-    public function mapDataToForms(mixed $viewData, \Traversable $forms);
+    public function mapDataToForms(mixed $viewData, \Traversable $forms): void;
 
     /**
      * Maps the model data of a list of children forms into the view data of their parent.
@@ -58,9 +56,7 @@ interface DataMapperInterface
      * @param mixed                              &$viewData The compound form's view data that get mapped
      *                                                      its children model data
      *
-     * @return void
-     *
      * @throws Exception\UnexpectedTypeException if the type of the data parameter is not supported
      */
-    public function mapFormsToData(\Traversable $forms, mixed &$viewData);
+    public function mapFormsToData(\Traversable $forms, mixed &$viewData): void;
 }

DependencyInjection/FormPass.php

@@ -30,10 +30,7 @@ class FormPass implements CompilerPassInterface
 {
     use PriorityTaggedServiceTrait;
 
-    /**
-     * @return void
-     */
-    public function process(ContainerBuilder $container)
+    public function process(ContainerBuilder $container): void
     {
         if (!$container->hasDefinition('form.extension')) {
             return;

Extension/Core/DataMapper/CheckboxListMapper.php

@@ -25,10 +25,7 @@ use Symfony\Component\Form\Exception\UnexpectedTypeException;
  */
 class CheckboxListMapper implements DataMapperInterface
 {
-    /**
-     * @return void
-     */
-    public function mapDataToForms(mixed $choices, \Traversable $checkboxes)
+    public function mapDataToForms(mixed $choices, \Traversable $checkboxes): void
     {
         if (!\is_array($choices ??= [])) {
             throw new UnexpectedTypeException($choices, 'array');
@@ -40,10 +37,7 @@ class CheckboxListMapper implements DataMapperInterface
         }
     }
 
-    /**
-     * @return void
-     */
-    public function mapFormsToData(\Traversable $checkboxes, mixed &$choices)
+    public function mapFormsToData(\Traversable $checkboxes, mixed &$choices): void
     {
         if (!\is_array($choices)) {
             throw new UnexpectedTypeException($choices, 'array');

Extension/Core/DataMapper/RadioListMapper.php

@@ -25,10 +25,7 @@ use Symfony\Component\Form\Exception\UnexpectedTypeException;
  */
 class RadioListMapper implements DataMapperInterface
 {
-    /**
-     * @return void
-     */
-    public function mapDataToForms(mixed $choice, \Traversable $radios)
+    public function mapDataToForms(mixed $choice, \Traversable $radios): void
     {
         if (!\is_string($choice)) {
             throw new UnexpectedTypeException($choice, 'string');
@@ -40,10 +37,7 @@ class RadioListMapper implements DataMapperInterface
         }
     }
 
-    /**
-     * @return void
-     */
-    public function mapFormsToData(\Traversable $radios, mixed &$choice)
+    public function mapFormsToData(\Traversable $radios, mixed &$choice): void
     {
         if (null !== $choice && !\is_string($choice)) {
             throw new UnexpectedTypeException($choice, 'null or string');

Extension/Core/EventListener/FixUrlProtocolListener.php

@@ -32,10 +32,7 @@ class FixUrlProtocolListener implements EventSubscriberInterface
         $this->defaultProtocol = $defaultProtocol;
     }
 
-    /**
-     * @return void
-     */
-    public function onSubmit(FormEvent $event)
+    public function onSubmit(FormEvent $event): void
     {
         $data = $event->getData();
 

Extension/Core/EventListener/MergeCollectionListener.php

@@ -41,10 +41,7 @@ class MergeCollectionListener implements EventSubscriberInterface
         ];
     }
 
-    /**
-     * @return void
-     */
-    public function onSubmit(FormEvent $event)
+    public function onSubmit(FormEvent $event): void
     {
         $dataToMergeInto = $event->getForm()->getNormData();
         $data = $event->getData() ?? [];

Extension/Core/EventListener/ResizeFormListener.php

@@ -52,10 +52,7 @@ class ResizeFormListener implements EventSubscriberInterface
         ];
     }
 
-    /**
-     * @return void
-     */
-    public function preSetData(FormEvent $event)
+    public function preSetData(FormEvent $event): void
     {
         $form = $event->getForm();
         $data = $event->getData() ?? [];
@@ -77,10 +74,7 @@ class ResizeFormListener implements EventSubscriberInterface
         }
     }
 
-    /**
-     * @return void
-     */
-    public function preSubmit(FormEvent $event)
+    public function preSubmit(FormEvent $event): void
     {
         $form = $event->getForm();
         $data = $event->getData();
@@ -110,10 +104,7 @@ class ResizeFormListener implements EventSubscriberInterface
         }
     }
 
-    /**
-     * @return void
-     */
-    public function onSubmit(FormEvent $event)
+    public function onSubmit(FormEvent $event): void
     {
         $form = $event->getForm();
         $data = $event->getData() ?? [];

Extension/Core/EventListener/TransformationFailureListener.php

@@ -36,10 +36,7 @@ class TransformationFailureListener implements EventSubscriberInterface
         ];
     }
 
-    /**
-     * @return void
-     */
-    public function convertTransformationFailureToFormError(FormEvent $event)
+    public function convertTransformationFailureToFormError(FormEvent $event): void
     {
         $form = $event->getForm();
 

Extension/Core/EventListener/TrimListener.php

@@ -23,10 +23,7 @@ use Symfony\Component\Form\Util\StringUtil;
  */
 class TrimListener implements EventSubscriberInterface
 {
-    /**
-     * @return void
-     */
-    public function preSubmit(FormEvent $event)
+    public function preSubmit(FormEvent $event): void
     {
         $data = $event->getData();
 

Extension/Core/Type/BaseType.php

@@ -29,19 +29,13 @@ use Symfony\Component\OptionsResolver\OptionsResolver;
  */
 abstract class BaseType extends AbstractType
 {
-    /**
-     * @return void
-     */
-    public function buildForm(FormBuilderInterface $builder, array $options)
+    public function buildForm(FormBuilderInterface $builder, array $options): void
     {
         $builder->setDisabled($options['disabled']);
         $builder->setAutoInitialize($options['auto_initialize']);
     }
 
-    /**
-     * @return void
-     */
-    public function buildView(FormView $view, FormInterface $form, array $options)
+    public function buildView(FormView $view, FormInterface $form, array $options): void
     {
         $name = $form->getName();
         $blockName = $options['block_name'] ?: $form->getName();
@@ -125,10 +119,7 @@ abstract class BaseType extends AbstractType
         ]);
     }
 
-    /**
-     * @return void
-     */
-    public function configureOptions(OptionsResolver $resolver)
+    public function configureOptions(OptionsResolver $resolver): void
     {
         $resolver->setDefaults([
             'block_name' => null,

Extension/Core/Type/BirthdayType.php

@@ -16,10 +16,7 @@ use Symfony\Component\OptionsResolver\OptionsResolver;
 
 class BirthdayType extends AbstractType
 {
-    /**
-     * @return void
-     */
-    public function configureOptions(OptionsResolver $resolver)
+    public function configureOptions(OptionsResolver $resolver): void
     {
         $resolver->setDefaults([
             'years' => range((int) date('Y') - 120, date('Y')),

Extension/Core/Type/ButtonType.php

@@ -31,10 +31,7 @@ class ButtonType extends BaseType implements ButtonTypeInterface
         return 'button';
     }
 
-    /**
-     * @return void
-     */
-    public function configureOptions(OptionsResolver $resolver)
+    public function configureOptions(OptionsResolver $resolver): void
     {
         parent::configureOptions($resolver);
 

Extension/Core/Type/CheckboxType.php

@@ -20,10 +20,7 @@ use Symfony\Component\OptionsResolver\OptionsResolver;
 
 class CheckboxType extends AbstractType
 {
-    /**
-     * @return void
-     */
-    public function buildForm(FormBuilderInterface $builder, array $options)
+    public function buildForm(FormBuilderInterface $builder, array $options): void
     {
         // Unlike in other types, where the data is NULL by default, it
         // needs to be a Boolean here. setData(null) is not acceptable
@@ -35,10 +32,7 @@ class CheckboxType extends AbstractType
         $builder->addViewTransformer(new BooleanToStringTransformer($options['value'], $options['false_values']));
     }
 
-    /**
-     * @return void
-     */
-    public function buildView(FormView $view, FormInterface $form, array $options)
+    public function buildView(FormView $view, FormInterface $form, array $options): void
     {
         $view->vars = array_replace($view->vars, [
             'value' => $options['value'],
@@ -46,10 +40,7 @@ class CheckboxType extends AbstractType
         ]);
     }
 
-    /**
-     * @return void
-     */
-    public function configureOptions(OptionsResolver $resolver)
+    public function configureOptions(OptionsResolver $resolver): void
     {
         $emptyData = static fn (FormInterface $form, $viewData) => $viewData;
 

Extension/Core/Type/ChoiceType.php

@@ -62,10 +62,7 @@ class ChoiceType extends AbstractType
         $this->translator = $translator;
     }
 
-    /**
-     * @return void
-     */
-    public function buildForm(FormBuilderInterface $builder, array $options)
+    public function buildForm(FormBuilderInterface $builder, array $options): void
     {
         $unknownValues = [];
         $choiceList = $this->createChoiceList($options);
@@ -218,10 +215,7 @@ class ChoiceType extends AbstractType
         }, 256);
     }
 
-    /**
-     * @return void
-     */
-    public function buildView(FormView $view, FormInterface $form, array $options)
+    public function buildView(FormView $view, FormInterface $form, array $options): void
     {
         $choiceTranslationDomain = $options['choice_translation_domain'];
         if ($view->parent && null === $choiceTranslationDomain) {
@@ -275,10 +269,7 @@ class ChoiceType extends AbstractType
         }
     }
 
-    /**
-     * @return void
-     */
-    public function finishView(FormView $view, FormInterface $form, array $options)
+    public function finishView(FormView $view, FormInterface $form, array $options): void
     {
         if ($options['expanded']) {
             // Radio buttons should have the same name as the parent
@@ -295,10 +286,7 @@ class ChoiceType extends AbstractType
         }
     }
 
-    /**
-     * @return void
-     */
-    public function configureOptions(OptionsResolver $resolver)
+    public function configureOptions(OptionsResolver $resolver): void
     {
         $emptyData = static function (Options $options) {
             if ($options['expanded'] && !$options['multiple']) {

Extension/Core/Type/CollectionType.php

@@ -21,10 +21,7 @@ use Symfony\Component\OptionsResolver\OptionsResolver;
 
 class CollectionType extends AbstractType
 {
-    /**
-     * @return void
-     */
-    public function buildForm(FormBuilderInterface $builder, array $options)
+    public function buildForm(FormBuilderInterface $builder, array $options): void
     {
         $resizePrototypeOptions = null;
         if ($options['allow_add'] && $options['prototype']) {
@@ -54,10 +51,7 @@ class CollectionType extends AbstractType
         $builder->addEventSubscriber($resizeListener);
     }
 
-    /**
-     * @return void
-     */
-    public function buildView(FormView $view, FormInterface $form, array $options)
+    public function buildView(FormView $view, FormInterface $form, array $options): void
     {
         $view->vars = array_replace($view->vars, [
             'allow_add' => $options['allow_add'],
@@ -70,10 +64,7 @@ class CollectionType extends AbstractType
         }
     }
 
-    /**
-     * @return void
-     */
-    public function finishView(FormView $view, FormInterface $form, array $options)
+    public function finishView(FormView $view, FormInterface $form, array $options): void
     {
         $prefixOffset = -2;
         // check if the entry type also defines a block prefix
@@ -104,10 +95,7 @@ class CollectionType extends AbstractType
         }
     }
 
-    /**
-     * @return void
-     */
-    public function configureOptions(OptionsResolver $resolver)
+    public function configureOptions(OptionsResolver $resolver): void
     {
         $entryOptionsNormalizer = static function (Options $options, $value) {
             $value['block_name'] = 'entry';

Extension/Core/Type/ColorType.php

@@ -33,10 +33,7 @@ class ColorType extends AbstractType
         $this->translator = $translator;
     }
 
-    /**
-     * @return void
-     */
-    public function buildForm(FormBuilderInterface $builder, array $options)
+    public function buildForm(FormBuilderInterface $builder, array $options): void
     {
         if (!$options['html5']) {
             return;
@@ -63,10 +60,7 @@ class ColorType extends AbstractType
         });
     }
 
-    /**
-     * @return void
-     */
-    public function configureOptions(OptionsResolver $resolver)
+    public function configureOptions(OptionsResolver $resolver): void
     {
         $resolver->setDefaults([
             'html5' => false,

Extension/Core/Type/CountryType.php

@@ -22,10 +22,7 @@ use Symfony\Component\OptionsResolver\OptionsResolver;
 
 class CountryType extends AbstractType
 {
-    /**
-     * @return void
-     */
-    public function configureOptions(OptionsResolver $resolver)
+    public function configureOptions(OptionsResolver $resolver): void
     {
         $resolver->setDefaults([
             'choice_loader' => function (Options $options) {

Extension/Core/Type/CurrencyType.php

@@ -22,10 +22,7 @@ use Symfony\Component\OptionsResolver\OptionsResolver;
 
 class CurrencyType extends AbstractType
 {
-    /**
-     * @return void
-     */
-    public function configureOptions(OptionsResolver $resolver)
+    public function configureOptions(OptionsResolver $resolver): void
     {
         $resolver->setDefaults([
             'choice_loader' => function (Options $options) {

Extension/Core/Type/DateIntervalType.php

@@ -43,10 +43,7 @@ class DateIntervalType extends AbstractType
         'choice' => ChoiceType::class,
     ];
 
-    /**
-     * @return void
-     */
-    public function buildForm(FormBuilderInterface $builder, array $options)
+    public function buildForm(FormBuilderInterface $builder, array $options): void
     {
         if (!$options['with_years'] && !$options['with_months'] && !$options['with_weeks'] && !$options['with_days'] && !$options['with_hours'] && !$options['with_minutes'] && !$options['with_seconds']) {
             throw new InvalidConfigurationException('You must enable at least one interval field.');
@@ -148,10 +145,7 @@ class DateIntervalType extends AbstractType
         }
     }
 
-    /**
-     * @return void
-     */
-    public function buildView(FormView $view, FormInterface $form, array $options)
+    public function buildView(FormView $view, FormInterface $form, array $options): void
     {
         $vars = [
             'widget' => $options['widget'],
@@ -163,10 +157,7 @@ class DateIntervalType extends AbstractType
         $view->vars = array_replace($view->vars, $vars);
     }
 
-    /**
-     * @return void
-     */
-    public function configureOptions(OptionsResolver $resolver)
+    public function configureOptions(OptionsResolver $resolver): void
     {
         $compound = static fn (Options $options) => 'single_text' !== $options['widget'];
         $emptyData = static fn (Options $options) => 'single_text' === $options['widget'] ? '' : [];

Extension/Core/Type/DateTimeType.php

@@ -49,10 +49,7 @@ class DateTimeType extends AbstractType
         \IntlDateFormatter::SHORT,
     ];
 
-    /**
-     * @return void
-     */
-    public function buildForm(FormBuilderInterface $builder, array $options)
+    public function buildForm(FormBuilderInterface $builder, array $options): void
     {
         $parts = ['year', 'month', 'day', 'hour'];
         $dateParts = ['year', 'month', 'day'];
@@ -212,10 +209,7 @@ class DateTimeType extends AbstractType
         }
     }
 
-    /**
-     * @return void
-     */
-    public function buildView(FormView $view, FormInterface $form, array $options)
+    public function buildView(FormView $view, FormInterface $form, array $options): void
     {
         $view->vars['widget'] = $options['widget'];
 
@@ -240,10 +234,7 @@ class DateTimeType extends AbstractType
         }
     }
 
-    /**
-     * @return void
-     */
-    public function configureOptions(OptionsResolver $resolver)
+    public function configureOptions(OptionsResolver $resolver): void
     {
         $compound = static fn (Options $options) => 'single_text' !== $options['widget'];
 

Extension/Core/Type/DateType.php

@@ -45,10 +45,7 @@ class DateType extends AbstractType
         'choice' => ChoiceType::class,
     ];
 
-    /**
-     * @return void
-     */
-    public function buildForm(FormBuilderInterface $builder, array $options)
+    public function buildForm(FormBuilderInterface $builder, array $options): void
     {
         $dateFormat = \is_int($options['format']) ? $options['format'] : self::DEFAULT_FORMAT;
         $timeFormat = \IntlDateFormatter::NONE;
@@ -196,10 +193,7 @@ class DateType extends AbstractType
         }
     }
 
-    /**
-     * @return void
-     */
-    public function finishView(FormView $view, FormInterface $form, array $options)
+    public function finishView(FormView $view, FormInterface $form, array $options): void
     {
         $view->vars['widget'] = $options['widget'];
 
@@ -236,10 +230,7 @@ class DateType extends AbstractType
         }
     }
 
-    /**
-     * @return void
-     */
-    public function configureOptions(OptionsResolver $resolver)
+    public function configureOptions(OptionsResolver $resolver): void
     {
         $compound = static fn (Options $options) => 'single_text' !== $options['widget'];
 

Extension/Core/Type/EmailType.php

@@ -16,10 +16,7 @@ use Symfony\Component\OptionsResolver\OptionsResolver;
 
 class EmailType extends AbstractType
 {
-    /**
-     * @return void
-     */
-    public function configureOptions(OptionsResolver $resolver)
+    public function configureOptions(OptionsResolver $resolver): void
     {
         $resolver->setDefaults([
             'invalid_message' => 'Please enter a valid email address.',

Extension/Core/Type/FileType.php

@@ -41,10 +41,7 @@ class FileType extends AbstractType
         $this->translator = $translator;
     }
 
-    /**
-     * @return void
-     */
-    public function buildForm(FormBuilderInterface $builder, array $options)
+    public function buildForm(FormBuilderInterface $builder, array $options): void
     {
         // Ensure that submitted data is always an uploaded file or an array of some
         $builder->addEventListener(FormEvents::PRE_SUBMIT, function (FormEvent $event) use ($options) {
@@ -85,10 +82,7 @@ class FileType extends AbstractType
         });
     }
 
-    /**
-     * @return void
-     */
-    public function buildView(FormView $view, FormInterface $form, array $options)
+    public function buildView(FormView $view, FormInterface $form, array $options): void
     {
         if ($options['multiple']) {
             $view->vars['full_name'] .= '[]';
@@ -101,18 +95,12 @@ class FileType extends AbstractType
         ]);
     }
 
-    /**
-     * @return void
-     */
-    public function finishView(FormView $view, FormInterface $form, array $options)
+    public function finishView(FormView $view, FormInterface $form, array $options): void
     {
         $view->vars['multipart'] = true;
     }
 
-    /**
-     * @return void
-     */
-    public function configureOptions(OptionsResolver $resolver)
+    public function configureOptions(OptionsResolver $resolver): void
     {
         $dataClass = null;
         if (class_exists(File::class)) {

Extension/Core/Type/FormType.php

@@ -38,10 +38,7 @@ class FormType extends BaseType
         ]));
     }
 
-    /**
-     * @return void
-     */
-    public function buildForm(FormBuilderInterface $builder, array $options)
+    public function buildForm(FormBuilderInterface $builder, array $options): void
     {
         parent::buildForm($builder, $options);
 
@@ -69,10 +66,7 @@ class FormType extends BaseType
         $builder->setIsEmptyCallback($options['is_empty_callback']);
     }
 
-    /**
-     * @return void
-     */
-    public function buildView(FormView $view, FormInterface $form, array $options)
+    public function buildView(FormView $view, FormInterface $form, array $options): void
     {
         parent::buildView($view, $form, $options);
 
@@ -111,10 +105,7 @@ class FormType extends BaseType
         ]);
     }
 
-    /**
-     * @return void
-     */
-    public function finishView(FormView $view, FormInterface $form, array $options)
+    public function finishView(FormView $view, FormInterface $form, array $options): void
     {
         $multipart = false;
 
@@ -128,10 +119,7 @@ class FormType extends BaseType
         $view->vars['multipart'] = $multipart;
     }
 
-    /**
-     * @return void
-     */
-    public function configureOptions(OptionsResolver $resolver)
+    public function configureOptions(OptionsResolver $resolver): void
     {
         parent::configureOptions($resolver);
 

Extension/Core/Type/HiddenType.php

@@ -16,10 +16,7 @@ use Symfony\Component\OptionsResolver\OptionsResolver;
 
 class HiddenType extends AbstractType
 {
-    /**
-     * @return void
-     */
-    public function configureOptions(OptionsResolver $resolver)
+    public function configureOptions(OptionsResolver $resolver): void
     {
         $resolver->setDefaults([
             // hidden fields cannot have a required attribute

Extension/Core/Type/IntegerType.php

@@ -20,28 +20,19 @@ use Symfony\Component\OptionsResolver\OptionsResolver;
 
 class IntegerType extends AbstractType
 {
-    /**
-     * @return void
-     */
-    public function buildForm(FormBuilderInterface $builder, array $options)
+    public function buildForm(FormBuilderInterface $builder, array $options): void
     {
         $builder->addViewTransformer(new IntegerToLocalizedStringTransformer($options['grouping'], $options['rounding_mode'], !$options['grouping'] ? 'en' : null));
     }
 
-    /**
-     * @return void
-     */
-    public function buildView(FormView $view, FormInterface $form, array $options)
+    public function buildView(FormView $view, FormInterface $form, array $options): void
     {
         if ($options['grouping']) {
             $view->vars['type'] = 'text';
         }
     }
 
-    /**
-     * @return void
-     */
-    public function configureOptions(OptionsResolver $resolver)
+    public function configureOptions(OptionsResolver $resolver): void
     {
         $resolver->setDefaults([
             'grouping' => false,

Extension/Core/Type/LanguageType.php

@@ -23,10 +23,7 @@ use Symfony\Component\OptionsResolver\OptionsResolver;
 
 class LanguageType extends AbstractType
 {
-    /**
-     * @return void
-     */
-    public function configureOptions(OptionsResolver $resolver)
+    public function configureOptions(OptionsResolver $resolver): void
     {
         $resolver->setDefaults([
             'choice_loader' => function (Options $options) {

Extension/Core/Type/LocaleType.php

@@ -22,10 +22,7 @@ use Symfony\Component\OptionsResolver\OptionsResolver;
 
 class LocaleType extends AbstractType
 {
-    /**
-     * @return void
-     */
-    public function configureOptions(OptionsResolver $resolver)
+    public function configureOptions(OptionsResolver $resolver): void
     {
         $resolver->setDefaults([
             'choice_loader' => function (Options $options) {

Extension/Core/Type/MoneyType.php

@@ -24,10 +24,7 @@ class MoneyType extends AbstractType
 {
     protected static $patterns = [];
 
-    /**
-     * @return void
-     */
-    public function buildForm(FormBuilderInterface $builder, array $options)
+    public function buildForm(FormBuilderInterface $builder, array $options): void
     {
         // Values used in HTML5 number inputs should be formatted as in "1234.5", ie. 'en' format without grouping,
         // according to https://www.w3.org/TR/html51/sec-forms.html#date-time-and-number-formats
@@ -42,10 +39,7 @@ class MoneyType extends AbstractType
         ;
     }
 
-    /**
-     * @return void
-     */
-    public function buildView(FormView $view, FormInterface $form, array $options)
+    public function buildView(FormView $view, FormInterface $form, array $options): void
     {
         $view->vars['money_pattern'] = self::getPattern($options['currency']);
 
@@ -54,10 +48,7 @@ class MoneyType extends AbstractType
         }
     }
 
-    /**
-     * @return void
-     */
-    public function configureOptions(OptionsResolver $resolver)
+    public function configureOptions(OptionsResolver $resolver): void
     {
         $resolver->setDefaults([
             'scale' => 2,
@@ -103,10 +94,8 @@ class MoneyType extends AbstractType
      *
      * The pattern contains the placeholder "{{ widget }}" where the HTML tag should
      * be inserted
-     *
-     * @return string
      */
-    protected static function getPattern(?string $currency)
+    protected static function getPattern(?string $currency): string
     {
         if (!$currency) {
             return '{{ widget }}';

Extension/Core/Type/NumberType.php

@@ -23,10 +23,7 @@ use Symfony\Component\OptionsResolver\OptionsResolver;
 
 class NumberType extends AbstractType
 {
-    /**
-     * @return void
-     */
-    public function buildForm(FormBuilderInterface $builder, array $options)
+    public function buildForm(FormBuilderInterface $builder, array $options): void
     {
         $builder->addViewTransformer(new NumberToLocalizedStringTransformer(
             $options['scale'],
@@ -40,10 +37,7 @@ class NumberType extends AbstractType
         }
     }
 
-    /**
-     * @return void
-     */
-    public function buildView(FormView $view, FormInterface $form, array $options)
+    public function buildView(FormView $view, FormInterface $form, array $options): void
     {
         if ($options['html5']) {
             $view->vars['type'] = 'number';
@@ -56,10 +50,7 @@ class NumberType extends AbstractType
         }
     }
 
-    /**
-     * @return void
-     */
-    public function configureOptions(OptionsResolver $resolver)
+    public function configureOptions(OptionsResolver $resolver): void
     {
         $resolver->setDefaults([
             // default scale is locale specific (usually around 3)

Extension/Core/Type/PasswordType.php

@@ -18,20 +18,14 @@ use Symfony\Component\OptionsResolver\OptionsResolver;
 
 class PasswordType extends AbstractType
 {
-    /**
-     * @return void
-     */
-    public function buildView(FormView $view, FormInterface $form, array $options)
+    public function buildView(FormView $view, FormInterface $form, array $options): void
     {
         if ($options['always_empty'] || !$form->isSubmitted()) {
             $view->vars['value'] = '';
         }
     }
 
-    /**
-     * @return void
-     */
-    public function configureOptions(OptionsResolver $resolver)
+    public function configureOptions(OptionsResolver $resolver): void
     {
         $resolver->setDefaults([
             'always_empty' => true,

Extension/Core/Type/PercentType.php

@@ -20,10 +20,7 @@ use Symfony\Component\OptionsResolver\OptionsResolver;
 
 class PercentType extends AbstractType
 {
-    /**
-     * @return void
-     */
-    public function buildForm(FormBuilderInterface $builder, array $options)
+    public function buildForm(FormBuilderInterface $builder, array $options): void
     {
         $builder->addViewTransformer(new PercentToLocalizedStringTransformer(
             $options['scale'],
@@ -33,10 +30,7 @@ class PercentType extends AbstractType
         ));
     }
 
-    /**
-     * @return void
-     */
-    public function buildView(FormView $view, FormInterface $form, array $options)
+    public function buildView(FormView $view, FormInterface $form, array $options): void
     {
         $view->vars['symbol'] = $options['symbol'];
 
@@ -45,10 +39,7 @@ class PercentType extends AbstractType
         }
     }
 
-    /**
-     * @return void
-     */
-    public function configureOptions(OptionsResolver $resolver)
+    public function configureOptions(OptionsResolver $resolver): void
     {
         $resolver->setDefaults([
             'scale' => 0,

Extension/Core/Type/RadioType.php

@@ -16,10 +16,7 @@ use Symfony\Component\OptionsResolver\OptionsResolver;
 
 class RadioType extends AbstractType
 {
-    /**
-     * @return void
-     */
-    public function configureOptions(OptionsResolver $resolver)
+    public function configureOptions(OptionsResolver $resolver): void
     {
         $resolver->setDefaults([
             'invalid_message' => 'Please select a valid option.',

Extension/Core/Type/RangeType.php

@@ -16,10 +16,7 @@ use Symfony\Component\OptionsResolver\OptionsResolver;
 
 class RangeType extends AbstractType
 {
-    /**
-     * @return void
-     */
-    public function configureOptions(OptionsResolver $resolver)
+    public function configureOptions(OptionsResolver $resolver): void
     {
         $resolver->setDefaults([
             'invalid_message' => 'Please choose a valid range.',

Extension/Core/Type/RepeatedType.php

@@ -18,10 +18,7 @@ use Symfony\Component\OptionsResolver\OptionsResolver;
 
 class RepeatedType extends AbstractType
 {
-    /**
-     * @return void
-     */
-    public function buildForm(FormBuilderInterface $builder, array $options)
+    public function buildForm(FormBuilderInterface $builder, array $options): void
     {
         // Overwrite required option for child fields
         $options['first_options']['required'] = $options['required'];
@@ -44,10 +41,7 @@ class RepeatedType extends AbstractType
         ;
     }
 
-    /**
-     * @return void
-     */
-    public function configureOptions(OptionsResolver $resolver)
+    public function configureOptions(OptionsResolver $resolver): void
     {
         $resolver->setDefaults([
             'type' => TextType::class,

Extension/Core/Type/SearchType.php

@@ -16,10 +16,7 @@ use Symfony\Component\OptionsResolver\OptionsResolver;
 
 class SearchType extends AbstractType
 {
-    /**
-     * @return void
-     */
-    public function configureOptions(OptionsResolver $resolver)
+    public function configureOptions(OptionsResolver $resolver): void
     {
         $resolver->setDefaults([
             'invalid_message' => 'Please enter a valid search term.',

Extension/Core/Type/SubmitType.php

@@ -24,10 +24,7 @@ use Symfony\Component\OptionsResolver\OptionsResolver;
  */
 class SubmitType extends AbstractType implements SubmitButtonTypeInterface
 {
-    /**
-     * @return void
-     */
-    public function buildView(FormView $view, FormInterface $form, array $options)
+    public function buildView(FormView $view, FormInterface $form, array $options): void
     {
         $view->vars['clicked'] = $form->isClicked();
 
@@ -36,10 +33,7 @@ class SubmitType extends AbstractType implements SubmitButtonTypeInterface
         }
     }
 
-    /**
-     * @return void
-     */
-    public function configureOptions(OptionsResolver $resolver)
+    public function configureOptions(OptionsResolver $resolver): void
     {
         $resolver->setDefault('validate', true);
         $resolver->setAllowedTypes('validate', 'bool');

Extension/Core/Type/TelType.php

@@ -16,10 +16,7 @@ use Symfony\Component\OptionsResolver\OptionsResolver;
 
 class TelType extends AbstractType
 {
-    /**
-     * @return void
-     */
-    public function configureOptions(OptionsResolver $resolver)
+    public function configureOptions(OptionsResolver $resolver): void
     {
         $resolver->setDefaults([
             'invalid_message' => 'Please provide a valid phone number.',

Extension/Core/Type/TextType.php

@@ -18,10 +18,7 @@ use Symfony\Component\OptionsResolver\OptionsResolver;
 
 class TextType extends AbstractType implements DataTransformerInterface
 {
-    /**
-     * @return void
-     */
-    public function buildForm(FormBuilderInterface $builder, array $options)
+    public function buildForm(FormBuilderInterface $builder, array $options): void
     {
         // When empty_data is explicitly set to an empty string,
         // a string should always be returned when NULL is submitted
@@ -33,10 +30,7 @@ class TextType extends AbstractType implements DataTransformerInterface
         }
     }
 
-    /**
-     * @return void
-     */
-    public function configureOptions(OptionsResolver $resolver)
+    public function configureOptions(OptionsResolver $resolver): void
     {
         $resolver->setDefaults([
             'compound' => false,

Extension/Core/Type/TextareaType.php

@@ -17,10 +17,7 @@ use Symfony\Component\Form\FormView;
 
 class TextareaType extends AbstractType
 {
-    /**
-     * @return void
-     */
-    public function buildView(FormView $view, FormInterface $form, array $options)
+    public function buildView(FormView $view, FormInterface $form, array $options): void
     {
         $view->vars['pattern'] = null;
         unset($view->vars['attr']['pattern']);

Extension/Core/Type/TimeType.php

@@ -34,10 +34,7 @@ class TimeType extends AbstractType
         'choice' => ChoiceType::class,
     ];
 
-    /**
-     * @return void
-     */
-    public function buildForm(FormBuilderInterface $builder, array $options)
+    public function buildForm(FormBuilderInterface $builder, array $options): void
     {
         $parts = ['hour'];
         $format = 'H';
@@ -224,10 +221,7 @@ class TimeType extends AbstractType
         }
     }
 
-    /**
-     * @return void
-     */
-    public function buildView(FormView $view, FormInterface $form, array $options)
+    public function buildView(FormView $view, FormInterface $form, array $options): void
     {
         $view->vars = array_replace($view->vars, [
             'widget' => $options['widget'],
@@ -255,10 +249,7 @@ class TimeType extends AbstractType
         }
     }
 
-    /**
-     * @return void
-     */
-    public function configureOptions(OptionsResolver $resolver)
+    public function configureOptions(OptionsResolver $resolver): void
     {
         $compound = static fn (Options $options) => 'single_text' !== $options['widget'];
 

Extension/Core/Type/TimezoneType.php

@@ -25,10 +25,7 @@ use Symfony\Component\OptionsResolver\OptionsResolver;
 
 class TimezoneType extends AbstractType
 {
-    /**
-     * @return void
-     */
-    public function buildForm(FormBuilderInterface $builder, array $options)
+    public function buildForm(FormBuilderInterface $builder, array $options): void
     {
         if ('datetimezone' === $options['input']) {
             $builder->addModelTransformer(new DateTimeZoneToStringTransformer($options['multiple']));
@@ -37,10 +34,7 @@ class TimezoneType extends AbstractType
         }
     }
 
-    /**
-     * @return void
-     */
-    public function configureOptions(OptionsResolver $resolver)
+    public function configureOptions(OptionsResolver $resolver): void
     {
         $resolver->setDefaults([
             'intl' => false,

Extension/Core/Type/TransformationFailureExtension.php

@@ -28,10 +28,7 @@ class TransformationFailureExtension extends AbstractTypeExtension
         $this->translator = $translator;
     }
 
-    /**
-     * @return void
-     */
-    public function buildForm(FormBuilderInterface $builder, array $options)
+    public function buildForm(FormBuilderInterface $builder, array $options): void
     {
         if (!isset($options['constraints'])) {
             $builder->addEventSubscriber(new TransformationFailureListener($this->translator));

Extension/Core/Type/UlidType.php

@@ -21,20 +21,14 @@ use Symfony\Component\OptionsResolver\OptionsResolver;
  */
 class UlidType extends AbstractType
 {
-    /**
-     * @return void
-     */
-    public function buildForm(FormBuilderInterface $builder, array $options)
+    public function buildForm(FormBuilderInterface $builder, array $options): void
     {
         $builder
             ->addViewTransformer(new UlidToStringTransformer())
         ;
     }
 
-    /**
-     * @return void
-     */
-    public function configureOptions(OptionsResolver $resolver)
+    public function configureOptions(OptionsResolver $resolver): void
     {
         $resolver->setDefaults([
             'compound' => false,

Extension/Core/Type/UrlType.php

@@ -20,20 +20,14 @@ use Symfony\Component\OptionsResolver\OptionsResolver;
 
 class UrlType extends AbstractType
 {
-    /**
-     * @return void
-     */
-    public function buildForm(FormBuilderInterface $builder, array $options)
+    public function buildForm(FormBuilderInterface $builder, array $options): void
     {
         if (null !== $options['default_protocol']) {
             $builder->addEventSubscriber(new FixUrlProtocolListener($options['default_protocol']));
         }
     }
 
-    /**
-     * @return void
-     */
-    public function buildView(FormView $view, FormInterface $form, array $options)
+    public function buildView(FormView $view, FormInterface $form, array $options): void
     {
         if ($options['default_protocol']) {
             $view->vars['attr']['inputmode'] = 'url';
@@ -41,10 +35,7 @@ class UrlType extends AbstractType
         }
     }
 
-    /**
-     * @return void
-     */
-    public function configureOptions(OptionsResolver $resolver)
+    public function configureOptions(OptionsResolver $resolver): void
     {
         $resolver->setDefaults([
             'default_protocol' => 'http',

Extension/Core/Type/UuidType.php

@@ -21,20 +21,14 @@ use Symfony\Component\OptionsResolver\OptionsResolver;
  */
 class UuidType extends AbstractType
 {
-    /**
-     * @return void
-     */
-    public function buildForm(FormBuilderInterface $builder, array $options)
+    public function buildForm(FormBuilderInterface $builder, array $options): void
     {
         $builder
             ->addViewTransformer(new UuidToStringTransformer())
         ;
     }
 
-    /**
-     * @return void
-     */
-    public function configureOptions(OptionsResolver $resolver)
+    public function configureOptions(OptionsResolver $resolver): void
     {
         $resolver->setDefaults([
             'compound' => false,

Extension/Core/Type/WeekType.php

@@ -28,10 +28,7 @@ class WeekType extends AbstractType
         'choice' => ChoiceType::class,
     ];
 
-    /**
-     * @return void
-     */
-    public function buildForm(FormBuilderInterface $builder, array $options)
+    public function buildForm(FormBuilderInterface $builder, array $options): void
     {
         if ('string' === $options['input']) {
             $builder->addModelTransformer(new WeekToArrayTransformer());
@@ -83,10 +80,7 @@ class WeekType extends AbstractType
         }
     }
 
-    /**
-     * @return void
-     */
-    public function buildView(FormView $view, FormInterface $form, array $options)
+    public function buildView(FormView $view, FormInterface $form, array $options): void
     {
         $view->vars['widget'] = $options['widget'];
 
@@ -95,10 +89,7 @@ class WeekType extends AbstractType
         }
     }
 
-    /**
-     * @return void
-     */
-    public function configureOptions(OptionsResolver $resolver)
+    public function configureOptions(OptionsResolver $resolver): void
     {
         $compound = static fn (Options $options) => 'single_text' !== $options['widget'];
 

Extension/Csrf/EventListener/CsrfValidationListener.php

@@ -51,10 +51,7 @@ class CsrfValidationListener implements EventSubscriberInterface
         $this->serverParams = $serverParams ?? new ServerParams();
     }
 
-    /**
-     * @return void
-     */
-    public function preSubmit(FormEvent $event)
+    public function preSubmit(FormEvent $event): void
     {
         $form = $event->getForm();
         $postRequestSizeExceeded = 'POST' === $form->getConfig()->getMethod() && $this->serverParams->hasPostMaxSizeBeenExceeded();

Extension/Csrf/Type/FormTypeCsrfExtension.php

@@ -47,10 +47,8 @@ class FormTypeCsrfExtension extends AbstractTypeExtension
 
     /**
      * Adds a CSRF field to the form when the CSRF protection is enabled.
-     *
-     * @return void
      */
-    public function buildForm(FormBuilderInterface $builder, array $options)
+    public function buildForm(FormBuilderInterface $builder, array $options): void
     {
         if (!$options['csrf_protection']) {
             return;
@@ -71,10 +69,8 @@ class FormTypeCsrfExtension extends AbstractTypeExtension
 
     /**
      * Adds a CSRF field to the root form view.
-     *
-     * @return void
      */
-    public function finishView(FormView $view, FormInterface $form, array $options)
+    public function finishView(FormView $view, FormInterface $form, array $options): void
     {
         if ($options['csrf_protection'] && !$view->parent && $options['compound']) {
             $factory = $form->getConfig()->getFormFactory();
@@ -90,10 +86,7 @@ class FormTypeCsrfExtension extends AbstractTypeExtension
         }
     }
 
-    /**
-     * @return void
-     */
-    public function configureOptions(OptionsResolver $resolver)
+    public function configureOptions(OptionsResolver $resolver): void
     {
         $resolver->setDefaults([
             'csrf_protection' => $this->defaultEnabled,

Extension/DataCollector/EventListener/DataCollectorListener.php

@@ -43,10 +43,8 @@ class DataCollectorListener implements EventSubscriberInterface
 
     /**
      * Listener for the {@link FormEvents::POST_SET_DATA} event.
-     *
-     * @return void
      */
-    public function postSetData(FormEvent $event)
+    public function postSetData(FormEvent $event): void
     {
         if ($event->getForm()->isRoot()) {
             // Collect basic information about each form
@@ -59,10 +57,8 @@ class DataCollectorListener implements EventSubscriberInterface
 
     /**
      * Listener for the {@link FormEvents::POST_SUBMIT} event.
-     *
-     * @return void
      */
-    public function postSubmit(FormEvent $event)
+    public function postSubmit(FormEvent $event): void
     {
         if ($event->getForm()->isRoot()) {
             // Collect the submitted data of each form

Extension/DataCollector/FormDataCollectorInterface.php

@@ -25,48 +25,36 @@ interface FormDataCollectorInterface extends DataCollectorInterface
 {
     /**
      * Stores configuration data of the given form and its children.
-     *
-     * @return void
      */
-    public function collectConfiguration(FormInterface $form);
+    public function collectConfiguration(FormInterface $form): void;
 
     /**
      * Stores the default data of the given form and its children.
-     *
-     * @return void
      */
-    public function collectDefaultData(FormInterface $form);
+    public function collectDefaultData(FormInterface $form): void;
 
     /**
      * Stores the submitted data of the given form and its children.
-     *
-     * @return void
      */
-    public function collectSubmittedData(FormInterface $form);
+    public function collectSubmittedData(FormInterface $form): void;
 
     /**
      * Stores the view variables of the given form view and its children.
-     *
-     * @return void
      */
-    public function collectViewVariables(FormView $view);
+    public function collectViewVariables(FormView $view): void;
 
     /**
      * Specifies that the given objects represent the same conceptual form.
-     *
-     * @return void
      */
-    public function associateFormWithView(FormInterface $form, FormView $view);
+    public function associateFormWithView(FormInterface $form, FormView $view): void;
 
     /**
      * Assembles the data collected about the given form and its children as
      * a tree-like data structure.
      *
      * The result can be queried using {@link getData()}.
-     *
-     * @return void
      */
-    public function buildPreliminaryFormTree(FormInterface $form);
+    public function buildPreliminaryFormTree(FormInterface $form): void;
 
     /**
      * Assembles the data collected about the given form and its children as
@@ -85,10 +73,8 @@ interface FormDataCollectorInterface extends DataCollectorInterface
      * tree, only the view data will be included in the result. If a
      * corresponding {@link FormInterface} exists otherwise, call
      * {@link associateFormWithView()} before calling this method.
-     *
-     * @return void
      */
-    public function buildFinalFormTree(FormInterface $form, FormView $view);
+    public function buildFinalFormTree(FormInterface $form, FormView $view): void;
 
     /**
      * Returns all collected data.

Extension/DataCollector/Proxy/ResolvedTypeDataCollectorProxy.php

@@ -71,26 +71,17 @@ class ResolvedTypeDataCollectorProxy implements ResolvedFormTypeInterface
         return $this->proxiedType->createView($form, $parent);
     }
 
-    /**
-     * @return void
-     */
-    public function buildForm(FormBuilderInterface $builder, array $options)
+    public function buildForm(FormBuilderInterface $builder, array $options): void
     {
         $this->proxiedType->buildForm($builder, $options);
     }
 
-    /**
-     * @return void
-     */
-    public function buildView(FormView $view, FormInterface $form, array $options)
+    public function buildView(FormView $view, FormInterface $form, array $options): void
     {
         $this->proxiedType->buildView($view, $form, $options);
     }
 
-    /**
-     * @return void
-     */
-    public function finishView(FormView $view, FormInterface $form, array $options)
+    public function finishView(FormView $view, FormInterface $form, array $options): void
     {
         $this->proxiedType->finishView($view, $form, $options);
 

Extension/DataCollector/Type/DataCollectorTypeExtension.php

@@ -32,10 +32,7 @@ class DataCollectorTypeExtension extends AbstractTypeExtension
         $this->listener = new DataCollectorListener($dataCollector);
     }
 
-    /**
-     * @return void
-     */
-    public function buildForm(FormBuilderInterface $builder, array $options)
+    public function buildForm(FormBuilderInterface $builder, array $options): void
     {
         $builder->addEventSubscriber($this->listener);
     }

Extension/HtmlSanitizer/Type/TextTypeHtmlSanitizerExtension.php

@@ -35,10 +35,7 @@ class TextTypeHtmlSanitizerExtension extends AbstractTypeExtension
         return [TextType::class];
     }
 
-    /**
-     * @return void
-     */
-    public function configureOptions(OptionsResolver $resolver)
+    public function configureOptions(OptionsResolver $resolver): void
     {
         $resolver
             ->setDefaults(['sanitize_html' => false, 'sanitizer' => null])
@@ -47,10 +44,7 @@ class TextTypeHtmlSanitizerExtension extends AbstractTypeExtension
         ;
     }
 
-    /**
-     * @return void
-     */
-    public function buildForm(FormBuilderInterface $builder, array $options)
+    public function buildForm(FormBuilderInterface $builder, array $options): void
     {
         if (!$options['sanitize_html']) {
             return;

Extension/HttpFoundation/HttpFoundationRequestHandler.php

@@ -35,10 +35,7 @@ class HttpFoundationRequestHandler implements RequestHandlerInterface
         $this->serverParams = $serverParams ?? new ServerParams();
     }
 
-    /**
-     * @return void
-     */
-    public function handleRequest(FormInterface $form, mixed $request = null)
+    public function handleRequest(FormInterface $form, mixed $request = null): void
     {
         if (!$request instanceof Request) {
             throw new UnexpectedTypeException($request, Request::class);

Extension/HttpFoundation/Type/FormTypeHttpFoundationExtension.php

@@ -29,10 +29,7 @@ class FormTypeHttpFoundationExtension extends AbstractTypeExtension
         $this->requestHandler = $requestHandler ?? new HttpFoundationRequestHandler();
     }
 
-    /**
-     * @return void
-     */
-    public function buildForm(FormBuilderInterface $builder, array $options)
+    public function buildForm(FormBuilderInterface $builder, array $options): void
     {
         $builder->setRequestHandler($this->requestHandler);
     }

Extension/PasswordHasher/EventListener/PasswordHasherListener.php

@@ -35,10 +35,7 @@ class PasswordHasherListener
         $this->propertyAccessor ??= PropertyAccess::createPropertyAccessor();
     }
 
-    /**
-     * @return void
-     */
-    public function registerPassword(FormEvent $event)
+    public function registerPassword(FormEvent $event): void
     {
         if (null === $event->getData() || '' === $event->getData()) {
             return;
@@ -53,10 +50,7 @@ class PasswordHasherListener
         ];
     }
 
-    /**
-     * @return void
-     */
-    public function hashPasswords(FormEvent $event)
+    public function hashPasswords(FormEvent $event): void
     {
         $form = $event->getForm();
 

Extension/PasswordHasher/Type/FormTypePasswordHasherExtension.php

@@ -27,10 +27,7 @@ class FormTypePasswordHasherExtension extends AbstractTypeExtension
     ) {
     }
 
-    /**
-     * @return void
-     */
-    public function buildForm(FormBuilderInterface $builder, array $options)
+    public function buildForm(FormBuilderInterface $builder, array $options): void
     {
         $builder->addEventListener(FormEvents::POST_SUBMIT, [$this->passwordHasherListener, 'hashPasswords']);
     }

Extension/PasswordHasher/Type/PasswordTypePasswordHasherExtension.php

@@ -29,20 +29,14 @@ class PasswordTypePasswordHasherExtension extends AbstractTypeExtension
     ) {
     }
 
-    /**
-     * @return void
-     */
-    public function buildForm(FormBuilderInterface $builder, array $options)
+    public function buildForm(FormBuilderInterface $builder, array $options): void
     {
         if ($options['hash_property_path']) {
             $builder->addEventListener(FormEvents::POST_SUBMIT, [$this->passwordHasherListener, 'registerPassword']);
         }
     }
 
-    /**
-     * @return void
-     */
-    public function configureOptions(OptionsResolver $resolver)
+    public function configureOptions(OptionsResolver $resolver): void
     {
         $resolver->setDefaults([
             'hash_property_path' => null,

Extension/Validator/Constraints/FormValidator.php

@@ -29,10 +29,7 @@ class FormValidator extends ConstraintValidator
      */
     private \SplObjectStorage $resolvedGroups;
 
-    /**
-     * @return void
-     */
-    public function validate(mixed $form, Constraint $formConstraint)
+    public function validate(mixed $form, Constraint $formConstraint): void
     {
         if (!$formConstraint instanceof Form) {
             throw new UnexpectedTypeException($formConstraint, Form::class);

Extension/Validator/EventListener/ValidationListener.php

@@ -37,10 +37,7 @@ class ValidationListener implements EventSubscriberInterface
         $this->violationMapper = $violationMapper;
     }
 
-    /**
-     * @return void
-     */
-    public function validateForm(FormEvent $event)
+    public function validateForm(FormEvent $event): void
     {
         $form = $event->getForm();
 

Extension/Validator/Type/BaseValidatorExtension.php

@@ -24,10 +24,7 @@ use Symfony\Component\Validator\Constraints\GroupSequence;
  */
 abstract class BaseValidatorExtension extends AbstractTypeExtension
 {
-    /**
-     * @return void
-     */
-    public function configureOptions(OptionsResolver $resolver)
+    public function configureOptions(OptionsResolver $resolver): void
     {
         // Make sure that validation groups end up as null, closure or array
         $validationGroupsNormalizer = static function (Options $options, $groups) {

Extension/Validator/Type/FormTypeValidatorExtension.php

@@ -37,18 +37,12 @@ class FormTypeValidatorExtension extends BaseValidatorExtension
         $this->violationMapper = new ViolationMapper($formRenderer, $translator);
     }
 
-    /**
-     * @return void
-     */
-    public function buildForm(FormBuilderInterface $builder, array $options)
+    public function buildForm(FormBuilderInterface $builder, array $options): void
     {
         $builder->addEventSubscriber(new ValidationListener($this->validator, $this->violationMapper));
     }
 
-    /**
-     * @return void
-     */
-    public function configureOptions(OptionsResolver $resolver)
+    public function configureOptions(OptionsResolver $resolver): void
     {
         parent::configureOptions($resolver);
 

Extension/Validator/Type/RepeatedTypeValidatorExtension.php

@@ -21,10 +21,7 @@ use Symfony\Component\OptionsResolver\OptionsResolver;
  */
 class RepeatedTypeValidatorExtension extends AbstractTypeExtension
 {
-    /**
-     * @return void
-     */
-    public function configureOptions(OptionsResolver $resolver)
+    public function configureOptions(OptionsResolver $resolver): void
     {
         // Map errors to the first field
         $errorMapping = static fn (Options $options) => ['.' => $options['first_name']];

Extension/Validator/Type/UploadValidatorExtension.php

@@ -32,10 +32,7 @@ class UploadValidatorExtension extends AbstractTypeExtension
         $this->translationDomain = $translationDomain;
     }
 
-    /**
-     * @return void
-     */
-    public function configureOptions(OptionsResolver $resolver)
+    public function configureOptions(OptionsResolver $resolver): void
     {
         $translator = $this->translator;
         $translationDomain = $this->translationDomain;

Extension/Validator/ViolationMapper/ViolationMapper.php

@@ -38,10 +38,7 @@ class ViolationMapper implements ViolationMapperInterface
         $this->translator = $translator;
     }
 
-    /**
-     * @return void
-     */
-    public function mapViolation(ConstraintViolation $violation, FormInterface $form, bool $allowNonSynchronized = false)
+    public function mapViolation(ConstraintViolation $violation, FormInterface $form, bool $allowNonSynchronized = false): void
     {
         $this->allowNonSynchronized = $allowNonSynchronized;
 

Extension/Validator/ViolationMapper/ViolationMapperInterface.php

@@ -24,8 +24,6 @@ interface ViolationMapperInterface
      * the given form.
      *
      * @param bool $allowNonSynchronized Whether to allow mapping to non-synchronized forms
-     *
-     * @return void
      */
-    public function mapViolation(ConstraintViolation $violation, FormInterface $form, bool $allowNonSynchronized = false);
+    public function mapViolation(ConstraintViolation $violation, FormInterface $form, bool $allowNonSynchronized = false): void;
 }

Extension/Validator/ViolationMapper/ViolationPathIterator.php

@@ -23,10 +23,7 @@ class ViolationPathIterator extends PropertyPathIterator
         parent::__construct($violationPath);
     }
 
-    /**
-     * @return bool
-     */
-    public function mapsForm()
+    public function mapsForm(): bool
     {
         return $this->path->mapsForm($this->key());
     }

FormBuilderInterface.php

@@ -27,7 +27,7 @@ interface FormBuilderInterface extends \Traversable, \Countable, FormConfigBuild
      *
      * @param array<string, mixed> $options
      */
-    public function add(string|FormBuilderInterface $child, string $type = null, array $options = []): static;
+    public function add(string|self $child, string $type = null, array $options = []): static;
 
     /**
      * Creates a form builder.

FormConfigBuilder.php

@@ -533,7 +533,7 @@ class FormConfigBuilder implements FormConfigBuilderInterface
     /**
      * @return $this
      */
-    public function setFormFactory(FormFactoryInterface $formFactory)
+    public function setFormFactory(FormFactoryInterface $formFactory): static
     {
         if ($this->locked) {
             throw new BadMethodCallException('FormConfigBuilder methods cannot be accessed anymore once the builder is turned into a FormConfigInterface instance.');

FormConfigBuilderInterface.php

@@ -208,7 +208,7 @@ interface FormConfigBuilderInterface extends FormConfigInterface
      *
      * @return $this
      */
-    public function setFormFactory(FormFactoryInterface $formFactory);
+    public function setFormFactory(FormFactoryInterface $formFactory): static;
 
     /**
      * Sets the target URL of the form.

FormError.php

@@ -99,11 +99,9 @@ class FormError
      *
      * This method must only be called once.
      *
-     * @return void
-     *
      * @throws BadMethodCallException If the method is called more than once
      */
-    public function setOrigin(FormInterface $origin)
+    public function setOrigin(FormInterface $origin): void
     {
         if (null !== $this->origin) {
             throw new BadMethodCallException('setOrigin() must only be called once.');

FormEvent.php

@@ -45,10 +45,8 @@ class FormEvent extends Event
 
     /**
      * Allows updating with some filtered data.
-     *
-     * @return void
      */
-    public function setData(mixed $data)
+    public function setData(mixed $data): void
     {
         $this->data = $data;
     }

FormRenderer.php

@@ -42,10 +42,7 @@ class FormRenderer implements FormRendererInterface
         return $this->engine;
     }
 
-    /**
-     * @return void
-     */
-    public function setTheme(FormView $view, mixed $themes, bool $useDefaultThemes = true)
+    public function setTheme(FormView $view, mixed $themes, bool $useDefaultThemes = true): void
     {
         $this->engine->setTheme($view, $themes, $useDefaultThemes);
     }

FormRendererEngineInterface.php

@@ -24,10 +24,8 @@ interface FormRendererEngineInterface
      * @param FormView $view   The view to assign the theme(s) to
      * @param mixed    $themes The theme(s). The type of these themes
      *                         is open to the implementation.
-     *
-     * @return void
      */
-    public function setTheme(FormView $view, mixed $themes, bool $useDefaultThemes = true);
+    public function setTheme(FormView $view, mixed $themes, bool $useDefaultThemes = true): void;
 
     /**
      * Returns the resource for a block name.
@@ -129,8 +127,6 @@ interface FormRendererEngineInterface
      * @param FormView $view      The view to render
      * @param mixed    $resource  The renderer resource
      * @param array    $variables The variables to pass to the template
-     *
-     * @return string
      */
-    public function renderBlock(FormView $view, mixed $resource, string $blockName, array $variables = []);
+    public function renderBlock(FormView $view, mixed $resource, string $blockName, array $variables = []): string;
 }

FormRendererInterface.php

@@ -31,10 +31,8 @@ interface FormRendererInterface
      *                                   is open to the implementation.
      * @param bool     $useDefaultThemes If true, will use default themes specified
      *                                   in the renderer
-     *
-     * @return void
      */
-    public function setTheme(FormView $view, mixed $themes, bool $useDefaultThemes = true);
+    public function setTheme(FormView $view, mixed $themes, bool $useDefaultThemes = true): void;
 
     /**
      * Renders a named block of the form theme.

FormTypeExtensionInterface.php

@@ -26,11 +26,9 @@ interface FormTypeExtensionInterface
      *
      * @param array<string, mixed> $options
      *
-     * @return void
-     *
      * @see FormTypeInterface::buildForm()
      */
-    public function buildForm(FormBuilderInterface $builder, array $options);
+    public function buildForm(FormBuilderInterface $builder, array $options): void;
 
     /**
      * Builds the view.
@@ -40,11 +38,9 @@ interface FormTypeExtensionInterface
      *
      * @param array<string, mixed> $options
      *
-     * @return void
-     *
      * @see FormTypeInterface::buildView()
      */
-    public function buildView(FormView $view, FormInterface $form, array $options);
+    public function buildView(FormView $view, FormInterface $form, array $options): void;
 
     /**
      * Finishes the view.
@@ -54,16 +50,11 @@ interface FormTypeExtensionInterface
      *
      * @param array<string, mixed> $options
      *
-     * @return void
-     *
      * @see FormTypeInterface::finishView()
      */
-    public function finishView(FormView $view, FormInterface $form, array $options);
+    public function finishView(FormView $view, FormInterface $form, array $options): void;
 
-    /**
-     * @return void
-     */
-    public function configureOptions(OptionsResolver $resolver);
+    public function configureOptions(OptionsResolver $resolver): void;
 
     /**
      * Gets the extended types.

FormTypeGuesserInterface.php

@@ -18,24 +18,18 @@ interface FormTypeGuesserInterface
 {
     /**
      * Returns a field guess for a property name of a class.
-     *
-     * @return Guess\TypeGuess|null
      */
-    public function guessType(string $class, string $property);
+    public function guessType(string $class, string $property): ?Guess\TypeGuess;
 
     /**
      * Returns a guess whether a property of a class is required.
-     *
-     * @return Guess\ValueGuess|null
      */
-    public function guessRequired(string $class, string $property);
+    public function guessRequired(string $class, string $property): ?Guess\ValueGuess;
 
     /**
      * Returns a guess about the field's maximum length.
-     *
-     * @return Guess\ValueGuess|null
      */
-    public function guessMaxLength(string $class, string $property);
+    public function guessMaxLength(string $class, string $property): ?Guess\ValueGuess;
 
     /**
      * Returns a guess about the field's pattern.
@@ -46,8 +40,6 @@ interface FormTypeGuesserInterface
      *  You want a float greater than 5, 4.512313 is not valid but length(4.512314) > length(5)
      *
      * @see https://github.com/symfony/symfony/pull/3927
-     *
-     * @return Guess\ValueGuess|null
      */
-    public function guessPattern(string $class, string $property);
+    public function guessPattern(string $class, string $property): ?Guess\ValueGuess;
 }

FormTypeInterface.php

@@ -26,11 +26,9 @@ interface FormTypeInterface
      *
      * @param array<string, mixed> $options
      *
-     * @return void
-     *
      * @see FormTypeExtensionInterface::buildForm()
      */
-    public function buildForm(FormBuilderInterface $builder, array $options);
+    public function buildForm(FormBuilderInterface $builder, array $options): void;
 
     /**
      * Builds the form view.
@@ -44,11 +42,9 @@ interface FormTypeInterface
      *
      * @param array<string, mixed> $options
      *
-     * @return void
-     *
      * @see FormTypeExtensionInterface::buildView()
      */
-    public function buildView(FormView $view, FormInterface $form, array $options);
+    public function buildView(FormView $view, FormInterface $form, array $options): void;
 
     /**
      * Finishes the form view.
@@ -63,33 +59,25 @@ interface FormTypeInterface
      *
      * @param array<string, mixed> $options
      *
-     * @return void
-     *
      * @see FormTypeExtensionInterface::finishView()
      */
-    public function finishView(FormView $view, FormInterface $form, array $options);
+    public function finishView(FormView $view, FormInterface $form, array $options): void;
 
     /**
      * Configures the options for this type.
-     *
-     * @return void
      */
-    public function configureOptions(OptionsResolver $resolver);
+    public function configureOptions(OptionsResolver $resolver): void;
 
     /**
      * Returns the prefix of the template block name for this type.
      *
      * The block prefix defaults to the underscored short class name with
      * the "Type" suffix removed (e.g. "UserProfileType" => "user_profile").
-     *
-     * @return string
      */
-    public function getBlockPrefix();
+    public function getBlockPrefix(): string;
 
     /**
      * Returns the name of the parent type.
-     *
-     * @return string|null
      */
-    public function getParent();
+    public function getParent(): ?string;
 }

FormView.php

@@ -92,10 +92,7 @@ class FormView implements \ArrayAccess, \IteratorAggregate, \Countable
         return $this->methodRendered;
     }
 
-    /**
-     * @return void
-     */
-    public function setMethodRendered()
+    public function setMethodRendered(): void
     {
         $this->methodRendered = true;
     }

NativeRequestHandler.php

@@ -40,11 +40,9 @@ class NativeRequestHandler implements RequestHandlerInterface
     }
 
     /**
-     * @return void
-     *
      * @throws Exception\UnexpectedTypeException If the $request is not null
      */
-    public function handleRequest(FormInterface $form, mixed $request = null)
+    public function handleRequest(FormInterface $form, mixed $request = null): void
     {
         if (null !== $request) {
             throw new UnexpectedTypeException($request, 'null');

RequestHandlerInterface.php

@@ -20,10 +20,8 @@ interface RequestHandlerInterface
 {
     /**
      * Submits a form if it was submitted.
-     *
-     * @return void
      */
-    public function handleRequest(FormInterface $form, mixed $request = null);
+    public function handleRequest(FormInterface $form, mixed $request = null): void;
 
     /**
      * Returns true if the given data is a file upload.

ResolvedFormType.php

@@ -92,10 +92,7 @@ class ResolvedFormType implements ResolvedFormTypeInterface
         return $this->newView($parent);
     }
 
-    /**
-     * @return void
-     */
-    public function buildForm(FormBuilderInterface $builder, array $options)
+    public function buildForm(FormBuilderInterface $builder, array $options): void
     {
         $this->parent?->buildForm($builder, $options);
 
@@ -106,10 +103,7 @@ class ResolvedFormType implements ResolvedFormTypeInterface
         }
     }
 
-    /**
-     * @return void
-     */
-    public function buildView(FormView $view, FormInterface $form, array $options)
+    public function buildView(FormView $view, FormInterface $form, array $options): void
     {
         $this->parent?->buildView($view, $form, $options);
 
@@ -120,10 +114,7 @@ class ResolvedFormType implements ResolvedFormTypeInterface
         }
     }
 
-    /**
-     * @return void
-     */
-    public function finishView(FormView $view, FormInterface $form, array $options)
+    public function finishView(FormView $view, FormInterface $form, array $options): void
     {
         $this->parent?->finishView($view, $form, $options);
 

ResolvedFormTypeInterface.php

@@ -56,28 +56,22 @@ interface ResolvedFormTypeInterface
 
     /**
      * Configures a form builder for the type hierarchy.
-     *
-     * @return void
      */
-    public function buildForm(FormBuilderInterface $builder, array $options);
+    public function buildForm(FormBuilderInterface $builder, array $options): void;
 
     /**
      * Configures a form view for the type hierarchy.
      *
      * It is called before the children of the view are built.
-     *
-     * @return void
      */
-    public function buildView(FormView $view, FormInterface $form, array $options);
+    public function buildView(FormView $view, FormInterface $form, array $options): void;
 
     /**
      * Finishes a form view for the type hierarchy.
      *
      * It is called after the children of the view have been built.
-     *
-     * @return void
      */
-    public function finishView(FormView $view, FormInterface $form, array $options);
+    public function finishView(FormView $view, FormInterface $form, array $options): void;
 
     /**
      * Returns the configured options resolver used for this type.

Util/OrderedHashMapIterator.php

@@ -62,10 +62,7 @@ class OrderedHashMapIterator implements \Iterator
         throw new \BadMethodCallException('Cannot serialize '.__CLASS__);
     }
 
-    /**
-     * @return void
-     */
-    public function __wakeup()
+    public function __wakeup(): void
     {
         throw new \BadMethodCallException('Cannot unserialize '.__CLASS__);
     }