code: public QueryBuilder instantiate(String query, Object... items) throws Exception {
          JSONObject op = new JSONObject();
          if (query != null)
              op.put(Constants.REQUEST_INSTANTIATE, query);
  
          if (query != null)
              queryStringRepresentation += query;
  
          op.put(Constants.REQUEST_ARGUMENTS, buildArgsArray(items));
  
          JSONArray operations = (JSONArray) request.get(Constants.REQUEST_OPERATIONS);
          operations.put(op);
          request.remove(Constants.REQUEST_OPERATIONS);
          request.put(Constants.REQUEST_OPERATIONS, operations);
  
          return this;
      }
docs: Used to instantiate a class
  @param query
  @param items
  @return
  @throws Exception