*/
    public int getFragmentSize() {
        return fragmentSize;
    }

    /**
     * Sets the fragment size with fluent interface.
     *
     * @param fragmentSize the fragment size in characters
     * @return this HighlightInfo instance for method chaining
     */
    public HighlightInfo fragmentSize(final int fragmentSize) {
        this.fragmentSize = fragmentSize;
        return this;
    }

    /**

            queryFieldConfig.highlightedFields(
                    stream -> stream.forEach(hf -> highlightBuilder.field(new HighlightBuilder.Field(hf).highlighterType(highlighterType)
                            .fragmentSize(fragmentSize)
                            .numOfFragments(numOfFragments)
                            .boundaryChars(boundaryChars)
                            .boundaryMaxScan(boundaryMaxScan)

        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")))