Adds initial intermediate qt6 porting state

qt6-after/qt6-migrated-legatus/Lts/Common/LtsTimelineClassic/TestTimelineModel.h

@@ -0,0 +1,25 @@
+
+
+
+#pragma once
+
+#include "AbstractTimelineModel.h"
+
+
+namespace LtsTimelineClassic
+{
+
+class LTSTIMELINECLASSIC_EXPORT TestTimelineModel : public AbstractTimelineModel
+{
+  Q_OBJECT
+
+public:
+  TestTimelineModel();
+  void addTestEvent(Event *event);
+
+
+private slots:
+  void slotEventAction(EventGraphic *, int);
+};
+
+}