+ /// \param theArguments the arguments in the configuration file for this validator
+ /// \param theError erros message produced by validator to the user if it fails
+ /// \returns true if feature is valid
+ MODEL_EXPORT virtual bool isValid(const std::shared_ptr<ModelAPI_Feature>& theFeature,
+ const std::list<std::string>& theArguments,
+ std::string& theError) const;
+
+ /// sets not obligatory attributes, not checked for initialization
+ 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);