this.highlightInfo = highlightInfo;
            return this;
        }

        /**
         * Sets the similar document hash for similarity search.
         *
         * @param similarDocHash the hash of the document to find similar documents to
         * @return this builder for method chaining
         */
        public SearchConditionBuilder similarDocHash(final String similarDocHash) {

    /** The key of the message: Search */
    public static final String LABELS_SEARCH = "{labels.search}";

    /** The key of the message: Showing similar results. */
    public static final String LABELS_similar_doc_result_status = "{labels.similar_doc_result_status}";