public function executeUpdates($updates) {
    /** @var Updates $updates_object */
    $updates_object = new $this->updateClassName($this);
    $this->output->writeln("Executing updates...");

    /**
     * @var string $method_name
     * @var Update $update
     */
    foreach ($updates as $method_name => $update) {
      $this->output->writeln("-> $method_name: {$update->description}");
      call_user_func([$updates_object, $method_name]);
    }
  }