public function findHighlightedMediaFile(): ?MediaFile
    {
        foreach ($this->facts(['OBJE']) as $fact) {
            $media = $fact->target();
            if ($media instanceof Media) {
                foreach ($media->mediaFiles() as $media_file) {
                    if ($media_file->isImage() && !$media_file->isExternal()) {
                        return $media_file;
                    }
                }
            }
        }

        return null;
    }