template< Options> class any_base_hook;
    template< Options> class any_member_hook;

    template<typename BasicHook> struct any_to_avl_set_hook;
    template<typename BasicHook> struct any_to_bs_set_hook;
    template<typename BasicHook> struct any_to_list_hook;
    template<typename BasicHook> struct any_to_set_hook;
    template<typename BasicHook> struct any_to_slist_hook;
    template<typename BasicHook> struct any_to_unordered_set_hook;
    template< Options> struct make_any_base_hook;
    template< Options> struct make_any_member_hook;
  }
}

  
    template<typename T,  Options> class avl_multiset;
    template<typename T,  Options> class avl_set;

    template<typename T,  Options> struct make_avl_multiset;
    template<typename T,  Options> struct make_avl_set;
    template<typename T,  Options> 
      bool (const avl_set< T,  x, 
                      const avl_set< T,  y);
    template<typename T,  Options> 
      bool (const avl_set< T,  x, 
                     const avl_set< T,  y);
    template<typename T,  Options> 
      bool (const avl_set< T,  x, 
                      const avl_set< T,  y);
    template<typename T,  Options> 
      bool (const avl_set< T,  x, 
                      const avl_set< T,  y);
    template<typename T,  Options> 
      void (avl_set< T,  x, avl_set< T,  y);
    template<typename T,  Options> 
      bool (const avl_multiset< T,  x, 
                      const avl_multiset< T,  y);
    template<typename T,  Options> 
      bool (const avl_multiset< T,  x, 
                     const avl_multiset< T,  y);
    template<typename T,  Options> 
      bool (const avl_multiset< T,  x, 
                      const avl_multiset< T,  y);
    template<typename T,  Options> 
      bool (const avl_multiset< T,  x, 
                      const avl_multiset< T,  y);
    template<typename T,  Options> 
      void (avl_multiset< T,  x, 
                avl_multiset< T,  y);
  }
}

  
    template< Options> class avl_set_base_hook;
    template< Options> class avl_set_member_hook;

    template< Options> struct make_avl_set_base_hook;
    template< Options> struct make_avl_set_member_hook;
  }
}

  
    template<typename T,  Options> class avltree;

    template<typename T,  Options> struct make_avltree;
  }
}

  
    template<typename NodeTraits> class avltree_algorithms;
  }
}

  
    template<typename T,  Options> class bs_multiset;
    template<typename T,  Options> class bs_set;

    template<typename T,  Options> struct make_bs_multiset;
    template<typename T,  Options> struct make_bs_set;
    template<typename T,  Options> 
      bool (const bs_set< T,  x, 
                      const bs_set< T,  y);
    template<typename T,  Options> 
      bool (const bs_set< T,  x, 
                     const bs_set< T,  y);
    template<typename T,  Options> 
      bool (const bs_set< T,  x, 
                      const bs_set< T,  y);
    template<typename T,  Options> 
      bool (const bs_set< T,  x, 
                      const bs_set< T,  y);
    template<typename T,  Options> 
      void (bs_set< T,  x, bs_set< T,  y);
    template<typename T,  Options> 
      bool (const bs_multiset< T,  x, 
                      const bs_multiset< T,  y);
    template<typename T,  Options> 
      bool (const bs_multiset< T,  x, 
                     const bs_multiset< T,  y);
    template<typename T,  Options> 
      bool (const bs_multiset< T,  x, 
                      const bs_multiset< T,  y);
    template<typename T,  Options> 
      bool (const bs_multiset< T,  x, 
                      const bs_multiset< T,  y);
    template<typename T,  Options> 
      void (bs_multiset< T,  x, 
                bs_multiset< T,  y);
  }
}

  
    template< Options> class bs_set_base_hook;
    template< Options> class bs_set_member_hook;

    template< Options> struct make_bs_set_base_hook;
    template< Options> struct make_bs_set_member_hook;
  }
}

  
    template<typename T,  Options> class bstree;

    template<typename T,  Options> struct make_bstree;
  }
}

  
    template<typename NodeTraits> class bstree_algorithms;
  }
}

  
    template<typename NodeTraits> class circular_list_algorithms;
  }
}

  
    template<typename NodeTraits> class circular_slist_algorithms;
  }
}

  
    template<typename T, typename NodeTraits, 
              LinkMode = > 
      struct derivation_value_traits;
  }
}

  
    template<typename T,  Options> class hashtable;

    template<typename T,  Options> struct make_hashtable;
  }
}

This header file forward declares most Intrusive classes.

It forward declares the following containers and hooks:

It forward declares the following container or hook options:

It forward declares the following value traits utilities:

Finally it forward declares the following general purpose utilities:

  
    template<typename NodeTraits> class linear_slist_algorithms;
  }
}

  
    enum link_mode_type;
  }
}

  
    template<typename T,  Options> class list;

    template<typename T,  Options> struct make_list;
  }
}

  
    template< Options> class list_base_hook;
    template< Options> class list_member_hook;

    template< Options> struct make_list_base_hook;
    template< Options> struct make_list_member_hook;
  }
}

  
    template<typename T, typename NodeTraits,  PtrToMember, 
              LinkMode = > 
      struct member_value_traits;
  }
}

  
    template<typename BaseHook> struct base_hook;
    template<typename BucketTraits> struct bucket_traits;
    template< Enabled> struct cache_begin;
    template< Enabled> struct cache_last;
    template<typename Compare> struct compare;
    template< Enabled> struct compare_hash;
    template< Enabled> struct constant_time_size;
    template<typename Equal> struct equal;
    template< Enabled> struct floating_point;
    template<typename Functor> struct function_hook;
    template<typename Hash> struct hash;
    template<typename HeaderHolder> struct header_holder_type;
    template< Enabled> struct incremental;
    template<typename KeyOfValue> struct key_of_value;
    template< Enabled> struct linear;
    template< LinkType> struct link_mode;
    template<typename Parent, typename MemberHook,  PtrToMember> 
      struct member_hook;
    template< Enabled> struct optimize_multikey;
    template< Enabled> struct optimize_size;
    template< Enabled> struct power_2_buckets;
    template<typename Priority> struct priority;
    template<typename PrioOfValue> struct priority_of_value;
    template<typename SizeType> struct size_type;
    template< Enabled> struct store_hash;
    template<typename Tag> struct tag;
    template<typename ValueTraits> struct value_traits;
    template<typename VoidPointer> struct void_pointer;
  }
}

BOOST_INTRUSIVE_OPTION_TYPE(OPTION_NAME, TYPE, TYPEDEF_EXPR, TYPEDEF_NAME)
BOOST_INTRUSIVE_OPTION_CONSTANT(OPTION_NAME, TYPE, VALUE, CONSTANT_NAME)

  
    template<typename DefaultOptions,  Options> struct pack_options;
  }
}

  
    template<typename Parent, typename Member> 
      Parent * (Member *, const Member );
    template<typename Parent, typename Member> 
      const Parent * 
      (const Member *, const Member );
  }
}

  
    template<typename VoidPointer,  Alignment> struct max_pointer_plus_bits;

    template< Alignment> struct max_pointer_plus_bits<, >;

    template<typename Pointer,  NumBits> struct pointer_plus_bits;

    template<typename T,  NumBits> struct pointer_plus_bits<, >;
  }
}

  
    template<typename Ptr, typename U> struct pointer_has_rebind;
    template<typename Ptr, typename U> struct pointer_has_rebind_other;
    template<typename Ptr, typename U> struct pointer_rebind;

    template<typename T, typename U> struct pointer_rebind<, >;

    template<typename Ptr, typename U> struct pointer_rebind_mode;
    template<typename Ptr, typename U,  RebindMode> struct pointer_rebinder;

    template<typename Ptr, typename U> struct pointer_rebinder<, , >;
    template<typename Ptr, typename U> struct pointer_rebinder<, , >;
    template< Ptr, typename A, typename U> struct pointer_rebinder<, , >;
    template< Ptr, typename A,  An, typename U> struct pointer_rebinder<, , , >;
  }
}

  
    template<typename Ptr> struct pointer_traits;

    template<typename T> struct pointer_traits<>;
  }
}

  
    template<typename T = void> struct priority_compare;

    template<> struct priority_compare<>;
  }
}

  
    template<typename T,  Options> struct make_rbtree;

    template<typename T,  Options> class rbtree;
  }
}

  
    template<typename NodeTraits> class rbtree_algorithms;
  }
}

  
    template<typename T,  Options> struct make_multiset;
    template<typename T,  Options> struct make_set;

    template<typename T,  Options> class multiset;
    template<typename T,  Options> class set;
    template<typename T,  Options> 
      bool (const set< T,  x, 
                      const set< T,  y);
    template<typename T,  Options> 
      bool (const set< T,  x, 
                     const set< T,  y);
    template<typename T,  Options> 
      bool (const set< T,  x, 
                      const set< T,  y);
    template<typename T,  Options> 
      bool (const set< T,  x, 
                      const set< T,  y);
    template<typename T,  Options> 
      void (set< T,  x, set< T,  y);
    template<typename T,  Options> 
      bool (const multiset< T,  x, 
                      const multiset< T,  y);
    template<typename T,  Options> 
      bool (const multiset< T,  x, 
                     const multiset< T,  y);
    template<typename T,  Options> 
      bool (const multiset< T,  x, 
                      const multiset< T,  y);
    template<typename T,  Options> 
      bool (const multiset< T,  x, 
                      const multiset< T,  y);
    template<typename T,  Options> 
      void (multiset< T,  x, multiset< T,  y);
  }
}

  
    template< Options> struct make_set_base_hook;
    template< Options> struct make_set_member_hook;

    template< Options> class set_base_hook;
    template< Options> class set_member_hook;
  }
}

  
    template<typename T,  Options> struct make_sg_multiset;
    template<typename T,  Options> struct make_sg_set;

    template<typename T,  Options> class sg_multiset;
    template<typename T,  Options> class sg_set;
    template<typename T,  Options> 
      bool (const sg_set< T,  x, 
                      const sg_set< T,  y);
    template<typename T,  Options> 
      bool (const sg_set< T,  x, 
                     const sg_set< T,  y);
    template<typename T,  Options> 
      bool (const sg_set< T,  x, 
                      const sg_set< T,  y);
    template<typename T,  Options> 
      bool (const sg_set< T,  x, 
                      const sg_set< T,  y);
    template<typename T,  Options> 
      void (sg_set< T,  x, sg_set< T,  y);
    template<typename T,  Options> 
      bool (const sg_multiset< T,  x, 
                      const sg_multiset< T,  y);
    template<typename T,  Options> 
      bool (const sg_multiset< T,  x, 
                     const sg_multiset< T,  y);
    template<typename T,  Options> 
      bool (const sg_multiset< T,  x, 
                      const sg_multiset< T,  y);
    template<typename T,  Options> 
      bool (const sg_multiset< T,  x, 
                      const sg_multiset< T,  y);
    template<typename T,  Options> 
      void (sg_multiset< T,  x, 
                sg_multiset< T,  y);
  }
}

  
    template<typename T,  Options> struct make_sgtree;

    template<typename T,  Options> class sgtree;
  }
}

  
    template<typename NodeTraits> class sgtree_algorithms;
  }
}

  
    template<typename T,  Options> struct make_slist;

    template<typename T,  Options> class slist;
  }
}

  
    template< Options> struct make_slist_base_hook;
    template< Options> struct make_slist_member_hook;

    template< Options> class slist_base_hook;
    template< Options> class slist_member_hook;
  }
}

  
    template<typename T,  Options> struct make_splay_multiset;
    template<typename T,  Options> struct make_splay_set;

    template<typename T,  Options> class splay_multiset;
    template<typename T,  Options> class splay_set;
    template<typename T,  Options> 
      bool (const splay_set< T,  x, 
                      const splay_set< T,  y);
    template<typename T,  Options> 
      bool (const splay_set< T,  x, 
                     const splay_set< T,  y);
    template<typename T,  Options> 
      bool (const splay_set< T,  x, 
                      const splay_set< T,  y);
    template<typename T,  Options> 
      bool (const splay_set< T,  x, 
                      const splay_set< T,  y);
    template<typename T,  Options> 
      void (splay_set< T,  x, 
                splay_set< T,  y);
    template<typename T,  Options> 
      bool (const splay_multiset< T,  x, 
                      const splay_multiset< T,  y);
    template<typename T,  Options> 
      bool (const splay_multiset< T,  x, 
                     const splay_multiset< T,  y);
    template<typename T,  Options> 
      bool (const splay_multiset< T,  x, 
                      const splay_multiset< T,  y);
    template<typename T,  Options> 
      bool (const splay_multiset< T,  x, 
                      const splay_multiset< T,  y);
    template<typename T,  Options> 
      void (splay_multiset< T,  x, 
                splay_multiset< T,  y);
  }
}

  
    template<typename T,  Options> struct make_splaytree;

    template<typename T,  Options> class splaytree;
  }
}

  
    template<typename NodeTraits> class splaytree_algorithms;
  }
}

  
    template<typename T,  Options> struct make_treap;

    template<typename T,  Options> class treap;
  }
}

  
    template<typename NodeTraits> class treap_algorithms;
  }
}

  
    template<typename T,  Options> struct make_treap_multiset;
    template<typename T,  Options> struct make_treap_set;

    template<typename T,  Options> class treap_multiset;
    template<typename T,  Options> class treap_set;
  }
}

  
    template<typename NodeTraits,  LinkMode = > struct trivial_value_traits;
  }
}

  
    template<typename T,  Options> struct make_unordered_multiset;
    template<typename T,  Options> struct make_unordered_set;

    template<typename T,  Options> class unordered_multiset;
    template<typename T,  Options> class unordered_set;
  }
}

  
    template< Options> struct make_unordered_set_base_hook;
    template< Options> struct make_unordered_set_member_hook;

    template< Options> class unordered_set_base_hook;
    template< Options> class unordered_set_member_hook;
  }
}