protected function writeIndexingProperties()
    {
        $properties = [];
        foreach ($this->indexingProperties as $propertyKey => $propertyValue) {
            $properties[] = [
                'root' => $this->rootPageUid,
                'item_id' => $this->indexQueueUid,
                'property_key' => $propertyKey,
                'property_value' => $propertyValue
            ];
        }
        if (empty($properties)) {
            return;
        }
        $this->indexQueueIndexingPropertyRepository->bulkInsert($properties);
    }