JetMapBase< P >::record_ptr_t Node1 JetMapBase< P >::record _ptr_t + record_ptr_t() + isValid() + operator*() + operator->() + get() + operator*() + operator->() + get() + destroy() + set() Node2 std::vector< T > Node2->Node1 #m_ptr Node3 T Node3->Node2 +elements