code: @Override
      public void decrement() {
          LOGGER.info("Beginning audit cleanup...");
          val now = ZonedDateTime.now(ZoneOffset.UTC);
          this.ipMap.entrySet().removeIf(entry -> submissionRate(now, entry.getValue()) < getThresholdRate());
          LOGGER.debug("Done decrementing count for throttler.");
      }
docs: This class relies on an external configuration to clean it up.
  It ignores the threshold data in the parent class.