Import Geant4 11.3.0 source tree

source/graphics_reps/include/G4VVisManager.hh

@@ -222,13 +222,9 @@ public: // With description
   virtual G4bool FilterDigi(const G4VDigi&) = 0;
   // Digi filter
 
-#ifdef G4MULTITHREADED
-
-  virtual void SetUpForAThread() = 0;
+  virtual void SetUpForAThread() {}
   // This method is invoked by G4WorkerRunManager
 
-#endif
-
   virtual void EventReadyForVis(const G4Event*) {}
   // This is invoked by G4SubEvtRunManager