getAllViewFilesWithTranslations() public méthode

e.g. ['users.blade.php' => ['users.name'], 'users/index.blade.php' => ['users.phone', 'users.city']]
 /**
  * Get an array of application files containing the old key.
  *
  * @return array
  */
 private function getFilesContainingOldKey()
 {
     $affectedFiles = [];
     foreach ($this->manager->getAllViewFilesWithTranslations() as $file => $keys) {
         foreach ($keys as $key) {
             if ($key == $this->argument('oldKey')) {
                 $affectedFiles[$file][] = $key;
             }
         }
     }
     return $affectedFiles;
 }