private static void RewriteWebConfig(AutoRemovableDirectory tempFiles, ConfigReplacements replacements)
        {
            var webConfig      = tempFiles.ReadFile("Web.config");
            var configRewriter = new ConfigRewriter(new ConfigSources(new Dictionary <string, string>()));

            var rewrittenWebConfig = configRewriter.Rewrite(webConfig, replacements);

            tempFiles.WriteFile("Web.config", rewrittenWebConfig);
        }