public void addCommandRegistry(CommandRegistry commandRegistry) {
        requireNonNull(commandRegistry, "commandRegistry");
        this.commandRegistries.add(commandRegistry);
    }

    public CommandRegistry[] getCommandRegistries() {
        return commandRegistries.toArray(new CommandRegistry[0]);
    }

    @Override
    public void close() throws Exception {
        ArrayList<Exception> exceptions = new ArrayList<>();

                            return command.startsWith("!") || super.isCommandOrScript(command);
                        }
                    };
            systemRegistry.setCommandRegistries(holder.getCommandRegistries());

            Path history = context.userDirectory.resolve(".mvnsh_history");
            LineReader reader = LineReaderBuilder.builder()
                    .terminal(context.terminal)