CP::IJetQGTagger Node1 CP::IJetQGTagger + ~IJetQGTagger() + tag() + tag() + sysApplySystematicVariation() Node2 CP::ISystematicsTool + isAffectedBySystematic() + applySystematicVariation() Node2->Node1 Node3 CP::IReentrantSystematicsTool + affectingSystematics() + recommendedSystematics() Node3->Node2 Node4 asg::IAsgTool + ~IAsgTool() + print() Node4->Node3 Node5 IAlgTool Node5->Node4