public function cObjGetSingleExt(
        /** @noinspection PhpUnusedParameterInspection */ $name,
        array $configuration,
        /** @noinspection PhpUnusedParameterInspection */ $TyposcriptKey,
        $contentObject
    ) {
        $contentExtractor = GeneralUtility::makeInstance(
            HtmlContentExtractor::class,
            /** @scrutinizer ignore-type */ $this->getRawContent($contentObject, $configuration)
        );

        return $contentExtractor->getIndexableContent();
    }