/**
  * Keeps a reference of the {@link ArithmeticFactor parsed object} object, which should only be
  * done when this object is instantiated during the conversion of a parsed JPQL query into {@link
  * StateObject StateObjects}.
  *
  * @param expression The {@link ArithmeticFactor parsed object} representing an arithmetic factor
  *     expression
  */
 public void setExpression(ArithmeticFactor expression) {
   super.setExpression(expression);
 }
 /**
  * Keeps a reference of the {@link OrderByItem parsed object} object, which should only be done
  * when this object is instantiated during the conversion of a parsed JPQL query into {@link
  * StateObject StateObjects}.
  *
  * @param expression The {@link OrderByItem parsed object} representing an order by item
  */
 public void setExpression(OrderByItem expression) {
   super.setExpression(expression);
 }