public function end(array $options = array())
    {
        if (null === $this->currentBundleOptions) {
            throw new \RuntimeException('end() is called without a start() call.');
        }

        $options = array_merge($this->currentBundleOptions, $options);

        $captured = ob_get_clean();

        if ($options['bypass']) {
            echo $captured;
        } else {
            $this->extractFiles($captured, $options['docroot']);
        }

        $this->currentBundleOptions = null;

        return $this;
    }