docs: private void checkJodaSetYear() {
          int COUNT = COUNT_FAST;
          // Is it fair to use only MutableDateTime here? You decide.
          MutableDateTime dt = new MutableDateTime(GJChronology.getInstance());
          for (int i = 0; i < AVERAGE; i++) {
              start("Joda", "setYear");
              for (int j = 0; j < COUNT; j++) {
                  dt.setYear(1972);
                  if (dt == null) {System.out.println("Anti optimise");}
              }
              end(COUNT);
          }
      }