1 files changed, 3 insertions, 0 deletions
diff --git a/src/datavisualization/engine/qabstract3dgraph.h b/src/datavisualization/engine/qabstract3dgraph.h
index fd8610fa..86e754de 100644
--- a/src/datavisualization/engine/qabstract3dgraph.h
+++ b/src/datavisualization/engine/qabstract3dgraph.h
@@ -43,6 +43,7 @@ QT_BEGIN_NAMESPACE
 class QAbstract3DGraphPrivate;
 class QCustom3DItem;
 class QAbstract3DAxis;
+class QAbstract3DSeries;
 
 class QT_DATAVISUALIZATION_EXPORT QAbstract3DGraph : public QWindow, protected QOpenGLFunctions
 {
@@ -141,6 +142,8 @@ public:
 
     void clearSelection();
 
+    virtual bool hasSeries(QAbstract3DSeries *series);
+
     int addCustomItem(QCustom3DItem *item);
     void removeCustomItems();
     void removeCustomItem(QCustom3DItem *item);