BStoXAODHelper::MuonHelper Node1 BStoXAODHelper::MuonHelper + MuonHelper() + AODContainerClid() + xAODContainerClid() + AODElementClid() + xAODElementClid() + help() + help_fillTrigPassBits() Node2 BStoXAODHelper::ToolHolder < ITrigMuonEFInfoToMuonCnvTool > # m_tool + ToolHolder() + ~ToolHolder() + initialize() # tool() Node2->Node1 Node3 BStoXAODHelper::IHelper # m_msg # m_sg # m_AODprefix + ~IHelper() + initialize() + help() + help_fillTrigPassBits() + AODContainerClid() + xAODContainerClid() + AODElementClid() + xAODElementClid() + msg() + msgLvl() + format() Node3->Node2