code: @Override
      public T transformElement(Tuple2<Object, BSONObject> tuple, DeepJobConfig<T, ? extends DeepJobConfig> config) {
  
          try {
              return (T) UtilMongoDB.getObjectFromBson(config.getEntityClass(), tuple._2());
          } catch (Exception e) {
              LOG.error("Cannot convert BSON: ", e);
              throw new DeepTransformException("Could not transform from Bson to Entity " + e.getMessage(), e);
          }
  
      }
docs: {@inheritDoc}