// offer the ability to combine native and classic sort fields

// Native Lucene
Sort sort = qb.sort().native(someSortField).andByScore().createSort();
// Native Elasticsearch
Sort sort = qb.sort().native("\"_geo_distance\" : { "
                + "\"pin.location\" : [-70, 40],"
                + "\"order\" : \"asc\", "
                + "\"unit\" : \"km\", "
                + "\"mode\" : \"min\", "
                + "\"distance_type\" : \"sloppy_arc\" "
            }")
            .andByScore()
            .createSort();

// native is all or nothing

// Native Lucene
Sort sort = qb.sort().native(new Sort(someSortField, SortField.FIELD_SCORE)); //optional .createSort()

// Native Elasticsearch
Sort sort = qb.sort().native( "\"sort\" : [ "
                + "{ \"_geo_distance\" : { "
                + "\"pin.location\" : [-70, 40],"
                + "\"order\" : \"asc\", "
                + "\"unit\" : \"km\", "
                + "\"mode\" : \"min\", "
                + "\"distance_type\" : \"sloppy_arc\" }"
                + }, \"_score\" "); //optional .createSort()