IEGammaAmbiguityTool Node1 IEGammaAmbiguityTool + ~IEGammaAmbiguityTool() + ambiguityResolve() + ambiguityResolve() + ambiguityResolve() + accept() Node2 asg::IAsgTool + ~IAsgTool() + print() Node2->Node1 Node3 IAlgTool Node3->Node2