public FacetInfo getFacetInfo() {
            return null;
        }

        @Override
        public HighlightInfo getHighlightInfo() {
            return new HighlightInfo().fragmentSize(Integer.parseInt(fessConfig.getOrDefault("rag.chat.highlight.fragment.size", "500")))
                    .numOfFragments(Integer.parseInt(fessConfig.getOrDefault("rag.chat.highlight.number.of.fragments", "3")))

        if (width < TABLET_WIDTH) {
            float ratio = (float) width / (float) TABLET_WIDTH;
            if (ratio < 0.5) {
                ratio = 0.5f;
            }
            highlightInfo.fragmentSize((int) (highlightInfo.getFragmentSize() * ratio));
        }
    }

    /**
     * Gets the URL link for a document with proper protocol handling.
     * Handles file, SMB, FTP, and HTTP protocols.
     *