public function saveTime(IdentifierInterface $entity, $time)
    {
        // Don't save times in pretend mode
        if ($this->getOption('pretend')) {
            return;
        }

        // Append the new time to past ones
        $past = $this->getTimes($entity);
        $past[] = $time;

        $this->saveTimes($entity, $past);
    }