code: public Expression<java.util.Date> in(java.util.Date[] value) {
  		SimpleDateFormat formatter = getDateTimeFormatter();
  		String valueString = "";
  		Boolean firstCalendar = true;
  		for (Date v : value) {
  			if (firstCalendar) {
  				valueString = valueString.concat("('").concat(formatter.format(v).concat("Z")).concat("'");
  				firstCalendar = false;
  			} else {
  				valueString = valueString.concat(", '").concat(formatter.format(v).concat("Z")).concat("'");
  			}
  		}
  
  		valueString = valueString.concat(")");
  		return new Expression<java.util.Date>(this, Operation.in, valueString);
  	}
docs: Method to construct the in expression for date
  
  @param value the date array
  @return Expression