*/
    public String[] getPreTags() {
        return preTags;
    }

    /**
     * Sets the custom pre-tags for highlighting with fluent interface.
     *
     * @param preTags the pre-tags to set
     * @return this HighlightInfo instance for method chaining
     */
    public HighlightInfo preTags(final String... preTags) {
        this.preTags = preTags;
        return this;
    }

    /**

            final HighlightBuilder highlightBuilder = new HighlightBuilder();
            final String[] preTags = highlightInfo.getPreTags();
            final String[] postTags = highlightInfo.getPostTags();
            if (preTags != null) {
                highlightBuilder.preTags(preTags);
            }
            if (postTags != null) {
                highlightBuilder.postTags(postTags);
            }

                    .numOfFragments(Integer.parseInt(fessConfig.getOrDefault("rag.chat.highlight.number.of.fragments", "3")))
                    .preTags(StringUtil.EMPTY)
                    .postTags(StringUtil.EMPTY);
        }

        @Override
        public String getSort() {
            return null;
        }

        @Override