Trk::LayerMaterialMap Node1 Trk::LayerMaterialMap - m_elementTable + LayerMaterialMap() + LayerMaterialMap() + LayerMaterialMap() + operator=() + ~LayerMaterialMap() + elementTable() + updateElementTable() + synchronizeElementTable() Node2 std::map< Trk::LayerIndex, const Trk::LayerMaterialProperties * > Node2->Node1 Node3 K Node3->Node2 +keys Node4 T Node4->Node2 +elements