Smile\ElasticsuiteCore\Index\IndexSettings::getInstallIndexSettings PHP Method

    public function getInstallIndexSettings()
    {
        $settings = ['number_of_replicas' => $this->helper->getNumberOfReplicas(), 'refresh_interval' => self::DIFF_REINDEX_REFRESH_INTERVAL, 'translog.durability' => 'request', 'translog.disable_flush' => false];
        return $settings;
    }