code: public static boolean specificToDecadeScale(String eventDate) { 
      	boolean result = false;
      	if (!isEmpty(eventDate)) { 
      	    Interval eventDateInterval = extractDateInterval(eventDate);
      	    if (eventDateInterval.toDuration().getStandardDays()<=3650l) { 
      	    	result = true;
      	    }
      	}
      	return result;
      }
docs: Test if an event date specifies a duration of 10 years or less.
  
  @param eventDate to test.
  @return true if duration is 10 years or or less.