#include <climits>

 #include <climits>

 #include <hugo/invalid.h>

 #include <hugo/invalid.h>

 #include <hugo/map_registry.h>

 #include <hugo/map_registry.h>

 #include <hugo/sym_map.h>

 #include <hugo/sym_map.h>

 #include <hugo/map_defines.h>

 #include <hugo/map_defines.h>

     CREATE_MAP_REGISTRIES;

     CREATE_MAP_REGISTRIES;

     /// Creating node and edge maps.

     /// Creating node and edge maps.

     /// \todo

     /// \todo

     /// It apears in the documentation as if it were a function definition.

     /// It apears in the documentation as if it were a function definition.

   public:

   public:

     ListGraph() 

     ListGraph() 

       : nodes(), first_node(-1),

       : nodes(), first_node(-1),

     typedef SymListGraph Graph;

     typedef SymListGraph Graph;

     /// Creating symmetric map registry.

     /// Creating symmetric map registry.

     CREATE_SYM_EDGE_MAP_REGISTRY;

     CREATE_SYM_EDGE_MAP_REGISTRY;

     /// Creating symmetric edge map.

     /// Creating symmetric edge map.

     SymListGraph() : ListGraph() { }

     SymListGraph() : ListGraph() { }

     SymListGraph(const ListGraph &_g) : ListGraph(_g) { }

     SymListGraph(const ListGraph &_g) : ListGraph(_g) { }

     ///Adds a pair of oppositely directed edges to the graph.

     ///Adds a pair of oppositely directed edges to the graph.

     Edge addEdge(Node u, Node v)

     Edge addEdge(Node u, Node v)

     class InEdgeIt;

     class InEdgeIt;

     /// Creating node map registry.

     /// Creating node map registry.

     CREATE_NODE_MAP_REGISTRY;

     CREATE_NODE_MAP_REGISTRY;

     /// Creating node maps.

     /// Creating node maps.

     /// Creating empty map structure for edges.

     /// Creating empty map structure for edges.

     template <typename Value>

     template <typename Value>

     class EdgeMap {

     class EdgeMap {

     public:

     public:

       EdgeMap(const Graph&) {}

       EdgeMap(const Graph&) {}

       EdgeMap(const Graph&, const Value&) {}

       EdgeMap(const Graph&, const Value&) {}

       EdgeMap(const EdgeMap&) {}

       EdgeMap(const EdgeMap&) {}

       template <typename CMap> EdgeMap(const CMap&) {}

       template <typename CMap> EdgeMap(const CMap&) {}

     /// Creates edge map registry.

     /// Creates edge map registry.

     CREATE_EDGE_MAP_REGISTRY;

     CREATE_EDGE_MAP_REGISTRY;

     /// Creates edge maps.

     /// Creates edge maps.

     /// Imports node maps from the NodeGraphType.

     /// Imports node maps from the NodeGraphType.

     IMPORT_NODE_MAP(NodeGraphType, graph.G, EdgeSet, graph);

     IMPORT_NODE_MAP(NodeGraphType, graph.G, EdgeSet, graph);