xAODMaker::ICMMCPHitsCnvTool Node1 xAODMaker::ICMMCPHitsCnvTool + convert() + interfaceID() Node3 xAODMaker::CMMCPHitsCnvTool + CMMCPHitsCnvTool() + convert() Node1->Node3 Node2 IAlgTool Node2->Node1