}
        list.add(createFieldSortBuilder(fieldName, SortOrder.DESC.toString().equalsIgnoreCase(order) ? SortOrder.DESC : SortOrder.ASC));
        defaultSortBuilders = list.toArray(new SortBuilder[list.size()]);
    }

    protected SortBuilder<?> createFieldSortBuilder(final String field, final SortOrder order) {

                            "Invalid sort order: " + termQuery);
                }
            } else {
                sortOrder = SortOrder.ASC;
            }
            context.addSorts(createFieldSortBuilder(sortField, sortOrder));
        }));
        return null;
    }

    protected QueryBuilder convertDefaultTermQuery(final FessConfig fessConfig, final QueryContext context, final TermQuery termQuery,