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

    public function getIndexConfig($indexIdentifier)
    {
        $indicesConfig = $this->getIndicesConfig();
        if (!isset($indicesConfig[$indexIdentifier])) {
            throw new \LogicException("No indices found with identifier {$indexIdentifier}");
        }
        return $indicesConfig[$indexIdentifier];
    }