code: public NumberExpression<Integer> milliSecond() {
          if (milliseconds == null) {
              milliseconds = Expressions.numberOperation(Integer.class, Ops.DateTimeOps.MILLISECOND, mixin);
          }
          return milliseconds;
      }
docs: Create a milliseconds expression (range 0-999)
  <p>Is always 0 in JPA and JDO modules</p>
  
  @return milli second