private void PrintHelp4SingleCommand()
        {
            Writer.WriteLines(
                _command.Attribute.FirstPrototype + " " + FormatShortNames(_command.Attribute.PrototypeArray.Skip(1)),
                _instance.GetDetailedHelp() ?? string.Empty);

            Writer.WriteLine();

            Writer.WriteTable(
                null,
                ToArgHelpInfo(_command.CommandType, _instance).Distinct().Select(ToTableRow),
                _tableFormat);
        }