docs: public static Boolean eventsAreSameInterval(String eventDate, String secondEventDate) {
  		boolean result = false;
  		try {
  			Interval interval = null;
  			Interval secondInterval = null;
              interval = DateUtils.extractDateInterval(eventDate);
              secondInterval = DateUtils.extractDateInterval(secondEventDate);
  			logger.debug(interval.toString());
  			logger.debug(secondInterval.toString());
              result = interval.equals(secondInterval);
  		} catch (IllegalFieldValueException ex) { 
  			// field format error, can't parse as date, log at debug level.
  			logger.debug(ex.getMessage());
  		} catch (Exception e) { 
  			logger.error(e.getMessage());
  		}
          return result;
  	}