public function syncRefresh() {
    // Disable alias since we are targeting specific uri.
    $this->config->set('drush.alias', '');

    // Sync files.
    $this->config->set('sync.files', TRUE);

    foreach ($this->getConfigValue('multisites') as $multisite) {
      $this->say("Syncing $multisite...");
      if (!$this->config->get('drush.uri')) {
        $this->config->set('drush.uri', $multisite);
      }

      $this->invokeCommand('drupal:sync:db');
      $this->invokeCommand('drupal:sync:files');
      $this->invokeCommand('drupal:update');

      $this->say("Finished syncing $multisite.");
    }
  }