private function stable(Updater $updater)
    {
        $updater->setStrategy(Updater::STRATEGY_GITHUB);
        $updater->getStrategy()->setPackageName('nanbando/core');
        $updater->getStrategy()->setPharName('nanbando.phar');
        $updater->getStrategy()->setCurrentLocalVersion('@git_version@');
        $updater->getStrategy()->setStability(GithubStrategy::STABLE);
    }