/**
  * Sets the type of this expression.
  *
  * @param expressionType the expression type to use.
  * @return this ExpressionBuilder itself, for chain calls.
  * @see ExpressionType
  */
 public ExpressionBuilder setExpressionType(final ExpressionType expressionType) {
   expression.setExpressionType(expressionType.name());
   return this;
 }
 /** @deprecated use {@link #setExpressionType(ExpressionType)} instead */
 @Deprecated
 public ExpressionBuilder setExpressionType(final String expressionType) {
   expression.setExpressionType(expressionType);
   return this;
 }