public function enabled($slug, $index)
    {
        $map = $this->map;
        $key = '';
        $index = (int)$index == 0 ? 0 : 1 << ($index - 1);
        foreach (explode(static::DELIMITER, $slug) as $child) {
            $key = empty($key) ? $child : $key.static::DELIMITER.$child;

            $isMissing = !$this->slugExists($key);
            $isDisabled = $isMissing ?: !((int)$map[$key] & $index);

            if ($isMissing || $isDisabled) {
                $this->logger->debug('Swivel - "'.$slug.'" is not enabled for bucket '.$index);

                return false;
            }
        }
        $this->logger->debug('Swivel - "'.$slug.'" is enabled for bucket '.$index);

        return true;
    }