IMETMaker Node1 IMETMaker + rebuildMET() + rebuildMET() + rebuildMET() + rebuildJetMET() + rebuildJetMET() + rebuildJetMET() + rebuildTrackMET() + rebuildTrackMET() + retrieveOverlapRemovedConstituents() + retrieveOverlapRemovedConstituents() + retrieveOverlapRemovedConstituents() + markInvisible() Node2 asg::IAsgTool + ~IAsgTool() + print() Node2->Node1 Node3 IAlgTool Node3->Node2