public static IEnumerable <T> InvokeScript <T>(this ICommandInvoker self, string script, Func <object, T> converter, params object[] args)
 {
     return(self.InvokeScript <T>(String.Format(script, args), converter));
 }
 public static void InvokeScript(this ICommandInvoker self, string script, params object[] args)
 {
     self.InvokeScript(String.Format(script, args));
 }