public static GraphNode ToGraphNode(StringNode node)
    {
        var output = new GraphNode(node.GetHashCode(), "\"'" + node.Representation.Replace(@"\", @"\\").Replace("'", @"\'").Replace("\"", "\\\"") + "'\"");

        output.AddProperty("color", "orange");
        output.AddProperty("tooltip", nameof(StringNode));

        return(output);
    }