Issue #3231996: Ensure file system is writeable

src/Validator/WritableFileSystemValidator.php

@@ -7,13 +7,23 @@ use Drupal\automatic_updates\Event\UpdateEvent;
 use Drupal\automatic_updates\Validation\ValidationResult;
 use Symfony\Component\EventDispatcher\EventSubscriberInterface;
 
+/**
+ * Validates that the file system is writable.
+ */
 class WritableFileSystemValidator implements EventSubscriberInterface {
 
-  public function checkFileSystemWritable(UpdateEvent $event){
+  /**
+   * Validates that the file system is writable.
+   *
+   * @param \Drupal\automatic_updates\Event\UpdateEvent $event
+   *   The update event.
+   */
+  public function checkFileSystemWritable(UpdateEvent $event): void {
     $result = ValidationResult::createError([t('file system not writable')]);
     $event->addValidationResult($result);
     \Drupal::messenger()->addMessage("GOT HERE");
   }
+
   /**
    * {@inheritdoc}
    */