Rec::IMuonMomentumBalanceSignificance Node1 Rec::IMuonMomentumBalance Significance + momentumBalanceSignificance() + momentumBalanceSignificance() + interfaceID() Node3 Rec::MuonMomentumBalance SignificanceTool + MuonMomentumBalanceSignificanceTool() + ~MuonMomentumBalanceSignificanceTool() + momentumBalanceSignificance() + momentumBalanceSignificance() Node1->Node3 Node2 IAlgTool Node2->Node1