public function build()
    {
        /** @var Buildable[] $delayed */
        $delayed = [];

        foreach ($this->getQueued() as $buildable) {
            if ($buildable instanceof Delay) {
                $delayed[] = $buildable;
            } else {
                $buildable->build();
            }
        }

        foreach ($delayed as $buildable) {
            $buildable->build();
        }
    }