+ /// Returns true if the action of the feature is created to contain Accept/Cancel button
+ /// \param theFeature a feature
+ bool isFeatureOfNested(const FeaturePtr& theFeature);
+
+ /// Has to be called in order to display objects with visibility status = true
+ void synchronizeViewer();
+
+ /// Has to be called in order to display objects from a cpecifed group with visibility status = true
+ /// \param theDoc the document for objects synchronisation
+ /// \param theGroup the group name
+ /// \param theUpdateViewer update viewer flag
+ void synchronizeGroupInViewer(const DocumentPtr& theDoc, const std::string& theGroup, bool theUpdateViewer);
+
+ /// A constant string used for "Move to end" command definition
+ /// It is used for specific processing of Undo/Redo for this command.
+ static QString MOVE_TO_END_COMMAND;
+