virtual Bool_t Run(Int_t nEvents = 0);
virtual Bool_t RunSimulation(Int_t nEvents = 0);
virtual Bool_t RunSDigitization(const char* detectors = "ALL");
virtual Bool_t RunTrigger(const char* descriptors ="" );
virtual Bool_t Run(Int_t nEvents = 0);
virtual Bool_t RunSimulation(Int_t nEvents = 0);
virtual Bool_t RunSDigitization(const char* detectors = "ALL");
virtual Bool_t RunTrigger(const char* descriptors ="" );