PrescalingTool Node1 PrescalingTool - m_hltPrescaleSetInputKey - m_HLTMenuKey - m_eventInfoKey - m_keepUnknownChains - m_monTool - m_RNGEngines - m_nonCPSChains - m_CPSGroups - m_prescaleForUnknownChain - m_costChainID + PrescalingTool() + PrescalingTool() + initialize() + start() + prescaleChains() Node2 extends< AthAlgTool, IPrescalingTool > Node2->Node1