TrigConf::HLTChainList Node1 TrigConf::HLTChainList + HLTChainList() + HLTChainList() + ~HLTChainList() + addHLTChain() + chain() + chain() + print() + compareTo() + applyPrescaleSet() + extractPrescaleSet() + setL2LowerChainCounter() + setEFLowerChainCounter() + clear() Node2 HLTChainContainer Node2->Node1