symfony
diff --git a/‎src/Symfony/Component/Form/Extension/Core/Type/FileType.php
Copy file name to clipboardExpand all lines: src/Symfony/Component/Form/Extension/Core/Type/FileType.php
+9-2Lines changed: 9 additions & 2 deletions b/‎src/Symfony/Component/Form/Extension/Core/Type/FileType.php
Copy file name to clipboardExpand all lines: src/Symfony/Component/Form/Extension/Core/Type/FileType.php
+9-2Lines changed: 9 additions & 2 deletions
diff --git a/‎src/Symfony/Component/Form/Tests/Extension/Core/Type/FileTypeTest.php
Copy file name to clipboardExpand all lines: src/Symfony/Component/Form/Tests/Extension/Core/Type/FileTypeTest.php
+1-1Lines changed: 1 addition & 1 deletion b/‎src/Symfony/Component/Form/Tests/Extension/Core/Type/FileTypeTest.php
Copy file name to clipboardExpand all lines: src/Symfony/Component/Form/Tests/Extension/Core/Type/FileTypeTest.php
+1-1Lines changed: 1 addition & 1 deletion
@@ -20,7 +20,8 @@
 use Symfony\Component\Form\FormView;
 use Symfony\Component\OptionsResolver\Options;
 use Symfony\Component\OptionsResolver\OptionsResolver;
-use Symfony\Component\Translation\TranslatorInterface;
+use Symfony\Component\Translation\TranslatorInterface as LegacyTranslatorInterface;
+use Symfony\Contracts\Translation\TranslatorInterface;
 
 class FileType extends AbstractType
 {
@@ -35,8 +36,14 @@ class FileType extends AbstractType
 
     private $translator;
 
-    public function __construct(TranslatorInterface $translator = null)
+    /**
+     * @param TranslatorInterface|null $translator
+     */
+    public function __construct($translator = null)
     {
+        if (null !== $translator && !$translator instanceof LegacyTranslatorInterface && !$translator instanceof TranslatorInterface) {
+            throw new \TypeError(sprintf('Argument 1 passed to %s() must be an instance of %s, %s given.', __METHOD__, TranslatorInterface::class, \is_object($translator) ? \get_class($translator) : \gettype($translator)));
+        }
         $this->translator = $translator;
     }
 
 
@@ -17,7 +17,7 @@
 use Symfony\Component\Form\RequestHandlerInterface;
 use Symfony\Component\HttpFoundation\File\File;
 use Symfony\Component\HttpFoundation\File\UploadedFile;
-use Symfony\Component\Translation\TranslatorInterface;
+use Symfony\Contracts\Translation\TranslatorInterface;
 
 class FileTypeTest extends BaseTypeTest
 {
Original file line number	Diff line number	Diff line change
`@@ -17,7 +17,7 @@`
`17`	`17`	`use Symfony\Component\Form\RequestHandlerInterface;`
`18`	`18`	`use Symfony\Component\HttpFoundation\File\File;`
`19`	`19`	`use Symfony\Component\HttpFoundation\File\UploadedFile;`
`20`		`-use Symfony\Component\Translation\TranslatorInterface;`
	`20`	`+use Symfony\Contracts\Translation\TranslatorInterface;`
`21`	`21`
`22`	`22`	`class FileTypeTest extends BaseTypeTest`
`23`	`23`	`{`