public void AddConnection(INode fromNode, INode toNode, int distance)
{
if (nodes.ContainsKey(fromNode.Name) == false)
{
throw new NodeNotFoundException($"Could not find node {fromNode?.Name}");
}
if (nodes.ContainsKey(toNode.Name) == false)
{
throw new NodeNotFoundException($"Could not find node {toNode?.Name}");
}
fromNode.AddConnection(nodes[toNode.Name], distance);
}
