/// so, it is not needed for the standard validation mechanism
virtual void registerNotObligatory(std::string theFeature, std::string theAttribute);
+ /// Returns true if the attribute in feature is not obligatory for the feature execution
+ virtual bool isNotObligatory(std::string theFeature, std::string theAttribute);
+
/// register that this attribute conceals in the object browser
/// all referenced features after execution
virtual void registerConcealment(std::string theFeature, std::string theAttribute);