using System;
using System.Collections.Generic;

namespace PathfindingPCL
{
    public interface Graph
    {
        Node BeginningNode();

        Node ExitNode();

        List<Node> NodesList();

        List<Node> NodesList(Node _currentNode);

        int NodesCount();

        List<Arc> ArcsList();

        List<Arc> ArcsList(Node _currentNode);

        double CostBetweenNodes(Node _fromNode, Node _toNode);

        String ReconstructPath();

        void ComputeEstimatedDistanceToExit();

        void Clear();
    }
}