IFPGATrackSimEventSelectionSvc Node1 IFPGATrackSimEventSelectionSvc + getMin() + getMax() + getRegionID() + getSampleType() + checkPU() + getLRTpdgID() + getRegions() + passCuts() + passCuts() + passCuts() and 15 more... + interfaceID() Node2 IService Node2->Node1