@Component
@Scope(BeanDefinition.SCOPE_PROTOTYPE)
class NormalMode implements CliMode {
    private MessageSource i18n
    private Supplier<Path> pwd
    private CommandLine parentCommandLine

    @Autowired
    NormalMode(
        MessageSource messageSource,
        @Qualifier("currentWorkingDir") Supplier<Path> pwd,
        @Qualifier("rootCommandLine") CommandLine rootCommandLine,
        SetupCommand setupCommand,
        SetFactoryCommand setFactoryCommand,
        ShowCommand showCommand,
        ServiceCommand serviceCommand,
        BackDoorCommand backDoorCommand
    ) {
        this.i18n = messageSource
        this.pwd = pwd
        this.parentCommandLine = rootCommandLine
        attachSubCommands(
            rootCommandLine,
            setupCommand,
            setFactoryCommand,
            showCommand,
            serviceCommand,
            backDoorCommand
        )
    }

    protected void attachSubCommands(CommandLine commandLine, CliCommand<?>... subCommands) {
        for (CliCommand<?> command : subCommands) {
            commandLine.addSubcommand(command)
        }
    }

    @Override
    Supplier<String> supplyPromptString() {
        return () -> i18n.getMessage("mode.normal.prompt", null, Locale.getDefault())
    }

    @Override
    Supplier<Path> supplyCurrentWorkingDirectory() {
        return pwd
    }

    @Override
    CommandRegistry getCommandRegistry() {
        return new PicocliCommands(pwd, parentCommandLine) {
            @Override
            String name() {
                return i18n.getMessage("mode.normal.name", null, Locale.getDefault())
            }
        }
    }
}

@Component
@Scope(BeanDefinition.SCOPE_PROTOTYPE)
@Command(name = "show",
        subcommands = [
            ShowInterfaceCommand,
            ShowPm2ServiceCommand,
            ShowSystemCommand,
            CommandLine.HelpCommand ],
        description = "Show system information")
@Slf4j
final class ShowCommand extends AbstractCliCommand<Integer> {

    @Override
    Integer call() throws Exception {
        return 0
    }

}

    @Override
    void repl(CliMode mode) throws EndOfFileException, Exception {
        SystemRegistry aggregator = new SystemRegistryImpl(parser, terminal, mode.supplyCurrentWorkingDirectory(),
                null)
        aggregator.setCommandRegistries(mode.getCommandRegistry())

        LineReader lineReader = LineReaderBuilder
                .builder()
                .terminal(terminal)
                .parser(parser)
                .option(Option.CASE_INSENSITIVE, true)
                .option(Option.AUTO_GROUP, false)
                .option(Option.GROUP, false)
                .completer(aggregator.completer()).variable(LineReader.LIST_MAX, 50).build()

        while (true) {
            try {
                aggregator.cleanUp()
                String line = lineReader.readLine(mode.supplyPromptString().get())
                aggregator.execute(line)
            } catch (UserInterruptException ctrlc) {
                log.error("The user pressed Ctrl C.", ctrlc)
 
           ...