CxxUtils::ConcurrentRangeMap< RANGE, KEY, T, COMPARE, UPDATER >::Impl Node1 CxxUtils::ConcurrentRange Map< RANGE, KEY, T, COMPARE, UPDATER >::Impl   + Impl() + ~Impl() + data() + capacity() Node2 std::vector< value _type > + elements + elements   Node2->Node1 -m_data