GlobalSim::PU1SuppAlgTool Node1 GlobalSim::PU1SuppAlgTool - m_HypoFIFOReadKey - m_portsOutWriteKey + PU1SuppAlgTool() + ~PU1SuppAlgTool() + initialize() + run() + toString() Node2 extends< AthAlgTool, IGlobalSimAlgTool >     Node2->Node1