code: public static Query withValues(String field,
                                     NaryOp op,
                                     Literal... values) {
          Query q = new Query(false);
          q.add("field", field).add("op", op.toString()).add("values", Literal.toJson(values));
          return q;
      }
docs: <pre>
  { field: <field>, op: <in/nin>, values: [ values ] }
  </pre>