CaloTowerStore::Tower Node1 CaloTowerStore::Tower + nentries + backref_next + n1 + ncells + offs1 + offs2 + nentries_width + nentries_max + backref_next_width + backref_next_max + n1_width + n1_max + ncells_width + ncells_max + offs1_width + offs1_max + offs2_width + offs2_max + Tower() + Tower()