*
     * @return the BucketOrder instance representing the sort configuration
     */
    public BucketOrder getBucketOrder() {
        if (StringUtil.isNotBlank(sort)) {
            final String[] values = sort.split("\\.");
            final boolean asc;
            if (values.length > 1) {
                asc = !"desc".equalsIgnoreCase(values[1]);

                if (SortOrder.DESC.toString().equalsIgnoreCase(values[1])) {
                    sortOrder = SortOrder.DESC;
                } else if (SortOrder.ASC.toString().equalsIgnoreCase(values[1])) {
                    sortOrder = SortOrder.ASC;
                } else {
                    throw new InvalidQueryException(

        defaultSortBuilders = list.toArray(new SortBuilder[list.size()]);
    }

    /**
     * Creates a sort builder for the specified field and order.
     * This method handles special cases for score fields and regular field sorting.
     *
     * @param field the field name to sort by
     * @param order the sort order (ASC or DESC)
     * @return a configured sort builder

        if (fieldSortBuilderList == null) {
            fieldSortBuilderList = new ArrayList<>();
        }
        fieldSortBuilderList.add(SortBuilders.fieldSort(field).order(ascOrDesc ? SortOrder.ASC : SortOrder.DESC));
    }

    // ===================================================================================
    //                                                                       Invalid Query

                SortBuilders.fieldSort(OpenSearchUrlQueue.WEIGHT).order(SortOrder.DESC),
                SortBuilders.fieldSort(CREATE_TIME).order(SortOrder.ASC));
    }

    /**
     * Saves the session state (currently not implemented).
     *
     * @param sessionId The session ID.
     */
    @Override
    public void saveSession(final String sessionId) {

        if (fieldSortBuilderList == null) {
            fieldSortBuilderList = new ArrayList<>();
        }
        fieldSortBuilderList.add(SortBuilders.fieldSort(field).order(ascOrDesc ? SortOrder.ASC : SortOrder.DESC));
    }

    // ===================================================================================
    //                                                                       Invalid Query

        if (fieldSortBuilderList == null) {
            fieldSortBuilderList = new ArrayList<>();
        }
        fieldSortBuilderList.add(SortBuilders.fieldSort(field).order(ascOrDesc ? SortOrder.ASC : SortOrder.DESC));
    }

    // ===================================================================================
    //                                                                       Invalid Query

    /** The key of the message: by Filename (asc) */
    public static final String LABELS_search_result_sort_filename_asc = "{labels.search_result_sort_filename_asc}";

    /** The key of the message: by Filename (desc) */
    public static final String LABELS_search_result_sort_filename_desc = "{labels.search_result_sort_filename_desc}";

    /** The key of the message: by Date (asc) */

                builder.setSize(maxDocumentCacheSize <= 0 ? 1 : maxDocumentCacheSize);
                builder.addSort(OpenSearchAccessResult.CREATE_TIME, SortOrder.ASC);
            };

            final DocList docList = new DocList();
            final List<OpenSearchAccessResult> accessResultList = new ArrayList<>();

                    if (values.length > 1) {
                        return SortBuilders.fieldSort(values[0]).order("desc".equalsIgnoreCase(values[0]) ? SortOrder.DESC : SortOrder.ASC);
                    }
                    return SortBuilders.fieldSort(values[0]).order(SortOrder.ASC);
                }).toArray(n -> new SortBuilder[n]));
                ot = OptionalThing.of(sortBuilders);
            }