diff -u b/core/lib/Drupal/Core/Config/ConfigImporter.php b/core/lib/Drupal/Core/Config/ConfigImporter.php
--- b/core/lib/Drupal/Core/Config/ConfigImporter.php
+++ b/core/lib/Drupal/Core/Config/ConfigImporter.php
@@ -505,7 +505,7 @@
       }
     }
     catch (\Exception $e) {
-      $this->logError($this->translationManager->translate('Unexpected error during import with operation @op for @name: @message', array('@op' => $op, '@name' => $name, '@message' => $e->getMessage())));
+      $this->logError($this->t('Unexpected error during import with operation @op for @name: @message', array('@op' => $op, '@name' => $name, '@message' => $e->getMessage())));
       // Error for that operation was logged, mark it as processed so that
       // the import can continue.
       $this->setProcessedConfiguration($op, $name);
@@ -600,7 +600,7 @@
           }
           else {
             $this->storageComparer->getTargetStorage()->delete($name);
-            $this->logError($this->translationManager->translate('Deleted and replaced configuration "@name"', array('@name' => $name)));
+            $this->logError($this->t('Deleted and replaced configuration "@name"', array('@name' => $name)));
           }
           return TRUE;
         }
@@ -608,7 +608,7 @@
 
       case 'update':
         if (!$target_exists) {
-          $this->logError($this->translationManager->translate('Update target "@name" is missing.', array('@name' => $name)));
+          $this->logError($this->t('Update target "@name" is missing.', array('@name' => $name)));
           // Mark as processed so that the synchronisation continues. Once the
           // the current synchronisation is complete it will show up as a
           // create.
@@ -774,2 +774,27 @@
   }
+
+  /**
+   * Translates a string to the current language or to a given language.
+   *
+   * @param string $string
+   *   A string containing the English string to translate.
+   * @param array $args
+   *   An associative array of replacements to make after translation. Based
+   *   on the first character of the key, the value is escaped and/or themed.
+   *   See \Drupal\Component\Utility\String::format() for details.
+   * @param array $options
+   *   An associative array of additional options, with the following elements:
+   *   - 'langcode': The language code to translate to a language other than
+   *      what is used to display the page.
+   *   - 'context': The context the source string belongs to.
+   *
+   * @return string
+   *   The translated string.
+   *
+   * @see \Drupal\Core\StringTranslation\TranslationManager::translate()
+   */
+  protected function t($string, array $args = array(), array $options = array()) {
+    return $this->translationManager->translate($string, $args, $options);
+  }
+
 }