code: @Override
      public Cells transformElement(Tuple2<Object, LinkedMapWritable> tuple,
                                    DeepJobConfig<Cells, ? extends DeepJobConfig> config) {
  
          try {
              return UtilES.getCellFromJson(tuple._2(), deepJobConfig.getNameSpace());
          } catch (Exception e) {
              LOG.error("Cannot convert JSON: ", e);
              throw new DeepTransformException("Could not transform from Json to Cell " + e.getMessage());
          }
      }
docs: {@inheritDoc}