MdtCablingData Node1 MdtCablingData + layer + tube + mezzanine_type + tdcId + channelId + tubes_per_layer + layer_block + legacy_tube_block_size + legacy_layer_block_size + MdtCablingData() + operator==() + operator!=() + operator<() Node2 MdtCablingOffData + stationIndex + eta + phi + multilayer + hash + cache - m_cache + MdtCablingOffData() + MdtCablingOffData() + operator=() + operator==() + operator!=() + operator<() + operator!() Node2->Node1 Node3 MdtCablingOnData + mrod + csm + subdetectorId + hash + cache - m_cache + MdtCablingOnData() + MdtCablingOnData() + operator=() + operator==() + operator!=() + operator<() + operator!() Node3->Node1