code: private void removeCumulatedStats(ProducerDecoratorBean decorator) {
          if (decorator == null) {
              LOGGER.warn("Decorator is empty");
              return;
          }
  
          for (ProducerAO producer : decorator.getProducers()) {
              for (Iterator<StatLineAO> statLineIterator = producer.getLines().listIterator(); statLineIterator.hasNext(); ) {
                  if (CUMULATED_STAT_NAME_VALUE.equals(statLineIterator.next().getStatName())) {
                      statLineIterator.remove();
                  }
              }
          }
      }
docs: Removes cumulated stats from producers inside decorator.
  @param decorator {@link ProducerDecoratorBean}