L1Muon::L1TGC::FloatingStationCoincidence Node1 L1Muon::L1TGC::FloatingStation Coincidence + station + isStrip + detectorSector + stationEta + stationPhi + channel + layerMask + observedLayers + nominalLayers + eta + phi + r + z + FloatingStationCoincidence() Node2 L1Muon::L1TGC::FloatingHit GroupKey + subDetectorId + triggerSector + bcTag + tie() + operator<() Node2->Node1 +key