public function saveSession($qouoteId, $checkoutSession)
    {
        // cache the session id by (parent) quote id
        $cacheIdentifier = self::BOLT_SESSION_PREFIX . $qouoteId;
        $sessionData = [
            "sessionType" => $checkoutSession instanceof \Magento\Checkout\Model\Session ? "frontend" : "admin",
            "sessionID"   => $checkoutSession->getSessionId()
        ];
        $this->cache->save(serialize($sessionData), $cacheIdentifier, [], 86400);
    }