Update to laravel 7

vendor/symfony/translation-contracts/TranslatorInterface.php

@@ -13,6 +13,8 @@ namespace Symfony\Contracts\Translation;
 
 /**
  * @author Fabien Potencier <fabien@symfony.com>
+ *
+ * @method string getLocale() Returns the default locale
  */
 interface TranslatorInterface
 {
@@ -57,9 +59,9 @@ interface TranslatorInterface
      * @param string|null $domain     The domain for the message or null to use the default
      * @param string|null $locale     The locale or null to use the default
      *
-     * @return string The translated string
+     * @return string
      *
      * @throws \InvalidArgumentException If the locale contains invalid characters
      */
-    public function trans($id, array $parameters = [], $domain = null, $locale = null);
+    public function trans(string $id, array $parameters = [], string $domain = null, string $locale = null);
 }