MuonR4::HitSummary Node1 MuonR4::HitSummary + HitSummary() + value() + value() + toString() + toString() - translate() - print() Node2 std::array< value_type, Acts::toUnderlying(HitCategory ::nCategories) *(Acts::toUnderlying (LayerIndex::LayerIndexMax) -1) *Acts ::toUnderlying(Status::MaxValue) *2 > Node2->Node1 -m_counts Node3 value_type< type, the _value > + value Node3->Node2 +elements