+ SKETCHPLUGIN_EXPORT virtual FeaturePtr createFeature(std::string theFeatureID);
+
+ /// Constructor that registers features and other plugin elements.
+ SKETCHPLUGIN_EXPORT SketchPlugin_Plugin();
+
+ //! Redefinition of Events_Listener method
+ SKETCHPLUGIN_EXPORT virtual void processEvent(const std::shared_ptr<Events_Message>& theMessage);