+ /**
+ * Apple addition
+ * @return true if this is a decimal format-only substitution
+ */
+ virtual UBool isDecimalFormatSubstitutionOnly() const;
+
+ /**
+ * Apple addition, not currently used
+ * @return true if this substitution only points to another ruleSet (no numberFormat)
+ */
+ //virtual UBool isRuleSetSubstitutionOnly() const;
+