Muon::MuonValidationHitBlock Node1 Muon::MuonValidationHitBlock + id + track + truth + residuals + MuonValidationHitBlock() Node2 Muon::MuonValidationBlockBase + intBlocks + unsignedIntBlocks + floatBlocks + subBlocks + ~MuonValidationBlockBase() + addBlock() + addBlock() + addBlock() + addBlock() + init() + clear() Node2->Node1