namespace boost {
  namespace text {
    template<typename Key, typename Value> struct const_trie_map_iterator;
    template<typename Iter> struct const_trie_range;
    template<typename Iter> struct trie_insert_result;
    template<typename Key, typename Value, typename Compare> struct trie_map;
    template<typename Key, typename Value> struct trie_map_iterator;
    template<typename Iter> struct trie_range;

    typedef stl_interfaces::reverse_iterator< trie_map_iterator< Key, Value > > reverse_trie_map_iterator;
    typedef stl_interfaces::reverse_iterator< const_trie_map_iterator< Key, Value > > const_reverse_trie_map_iterator;
  }
}namespace std {
  namespace ranges {
  }
}