1 files changed, 10 insertions, 2 deletions
diff --git a/src/libs/modelinglib/qmt/model_controller/modelcontroller.h b/src/libs/modelinglib/qmt/model_controller/modelcontroller.h
index 345d5c0ce9..5b95d2a575 100644
--- a/src/libs/modelinglib/qmt/model_controller/modelcontroller.h
+++ b/src/libs/modelinglib/qmt/model_controller/modelcontroller.h
@@ -61,6 +61,13 @@ class QMT_EXPORT ModelController : public QObject
     class MoveRelationCommand;
 
 public:
+
+    enum PasteOption {
+        PasteAlwaysWithNewKeys,
+        PasteAlwaysAndKeepKeys,
+        PasteOnlyNewElements
+    };
+
     explicit ModelController(QObject *parent = nullptr);
     ~ModelController() override;
 
@@ -93,8 +100,9 @@ public:
     UndoController *undoController() const { return m_undoController; }
     void setUndoController(UndoController *undoController);
 
+    Uid ownerKey(const Uid &key) const;
     Uid ownerKey(const MElement *element) const;
-    MElement *findElement(const Uid &key);
+    MElement *findElement(const Uid &key) const;
     template<class T>
     T *findElement(const Uid &key) { return dynamic_cast<T *>(findElement(key)); }
 
@@ -124,7 +132,7 @@ public:
 
     MContainer cutElements(const MSelection &modelSelection);
     MContainer copyElements(const MSelection &modelSelection);
-    void pasteElements(MObject *owner, const MContainer &modelContainer);
+    void pasteElements(MObject *owner, const MReferences &modelContainer, PasteOption option);
     void deleteElements(const MSelection &modelSelection);
 
 private: