private static string ArgumentEcho(IEnumerable<KeyValuePair<string, Argument>> args)
{
var sb = new StringBuilder(50);
foreach (var arg in args)
{
sb.AppendFormat("{0}:", arg.Key);
foreach (var item in arg.Value.Values)
{
sb.AppendFormat("{{{0}}}", item);
}
sb.AppendLine();
}
return sb.ToString();
}