type hint the file url generator with an interface

Closes #3475005

src/Plugin/tmgmt/Translator/SmartlingTranslator.php

@@ -7,21 +7,24 @@
 
 namespace Drupal\tmgmt_smartling\Plugin\tmgmt\Translator;
 
-use Drupal\Core\File\FileSystemInterface;
 use Drupal;
 use Drupal\Core\Extension\ModuleHandlerInterface;
-use Drupal\Core\File\FileUrlGenerator;
+use Drupal\Core\File\FileSystemInterface;
+use Drupal\Core\File\FileUrlGeneratorInterface;
 use Drupal\Core\Plugin\ContainerFactoryPluginInterface;
 use Drupal\Core\Session\AccountProxyInterface;
 use Drupal\Core\Url;
 use Drupal\file\FileUsage\DatabaseFileUsageBackend;
+use Drupal\tmgmt\ContinuousTranslatorInterface;
+use Drupal\tmgmt\JobInterface;
 use Drupal\tmgmt\JobItemInterface;
+use Drupal\tmgmt\Translator\AvailableResult;
 use Drupal\tmgmt\Translator\TranslatableResult;
-use Drupal\tmgmt\TranslatorPluginBase;
 use Drupal\tmgmt\TranslatorInterface;
-use Drupal\tmgmt\JobInterface;
+use Drupal\tmgmt\TranslatorPluginBase;
 use Drupal\tmgmt_extension_suit\ExtendedTranslatorPluginInterface;
 use Drupal\tmgmt_file\Format\FormatManager;
+use Drupal\tmgmt_smartling\Event\RequestTranslationEvent;
 use Drupal\tmgmt_smartling\Smartling\ConnectorInfo;
 use Drupal\tmgmt_smartling\Smartling\SmartlingApiWrapper;
 use Drupal\tmgmt_smartling\Smartling\Submission\TranslationRequestManager;
@@ -32,10 +35,7 @@ use Smartling\AuditLog\Params\CreateRecordParameters;
 use Smartling\BaseApiAbstract;
 use Smartling\File\Params\UploadFileParameters;
 use Symfony\Component\DependencyInjection\ContainerInterface;
-use Drupal\tmgmt\Translator\AvailableResult;
-use Drupal\tmgmt\ContinuousTranslatorInterface;
-use \Symfony\Component\EventDispatcher\EventDispatcherInterface;
-use Drupal\tmgmt_smartling\Event\RequestTranslationEvent;
+use Symfony\Component\EventDispatcher\EventDispatcherInterface;
 
 /**
  * Smartling translator plugin.
@@ -129,7 +129,7 @@ class SmartlingTranslator extends TranslatorPluginBase implements
     TranslationRequestManager $translation_request_manager,
     ModuleHandlerInterface $module_handler,
     AccountProxyInterface $current_user,
-    FileUrlGenerator $file_url_generator
+    FileUrlGeneratorInterface $file_url_generator
   ) {
     parent::__construct($configuration, $plugin_id, $plugin_definition);
     $this->client = $client;