Set.of(), //
                "{\"timestamp\":{\"order\":\"asc\"}}", //
                buildQuery("sort:timestamp"));
        assertQueryContext(query, Map.of(), //
                Set.of(), //
                "{\"timestamp\":{\"order\":\"asc\"}}", //
                buildQuery("sort:timestamp.asc"));
        assertQueryContext(query, Map.of(), //
                Set.of(), //

                    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);
            }