final RangeQueryBuilder rangeQuery = QueryBuilders.rangeQuery(field);
        final BytesRef min = termRangeQuery.getLowerTerm();
        if (min != null) {
            if (termRangeQuery.includesLower()) {
                rangeQuery.gte(min.utf8ToString());
            } else {
                rangeQuery.gt(min.utf8ToString());
            }
        }