Return absolute path from RouteBase.GetVirtualPath

public class CustomRoute : RouteBase
{
    public override VirtualPathData GetVirtualPath(RequestContext requestContext, RouteValueDictionary routeValues)
    {
        var virtual_path_data = new VirtualPathData( this, "https://example.com" );

        return virtual_path_data;
    }
}
public class CustomRoute : RouteBase
{
    publ