* is mutable (as CWD may be changed), but allows transition only to existing directories.
 */
public final class CWD implements Supplier<Path> {
    /**
     * Creates instance out of {@link Path}.
     */
    public static CWD create(Path path) {
        return new CWD(CliUtils.getCanonicalPath(path));
    }

    private Path directory;

    private CWD(Path directory) {

        return new MavenParser();
    }

    @Test
    void defaultFs(
            @TempDir(cleanup = CleanupMode.ON_SUCCESS) Path cwd,
            @TempDir(cleanup = CleanupMode.ON_SUCCESS) Path userHome)
            throws Exception {
        invoke(cwd, userHome, List.of("verify"), List.of());
    }

    @Disabled("Enable it when fully moved to NIO2 with Path/Filesystem (ie MavenExecutionRequest)")
    @Test

        private List<Completer> cdCompleter(String name) {
            return List.of(new ArgumentCompleter(new Completers.DirectoriesCompleter(shellContext.cwd)));
        }

        private void pwd(CommandInput input) {
            try {
                shellContext.writer.accept(shellContext.cwd.get().toString());
            } catch (Exception e) {
                saveException(e);
            }
        }

            }
            """;

    protected Map<String, String> invoke(Path cwd, Path userHome, Collection<String> goals, Collection<String> args)
            throws Exception {
        Files.createDirectories(cwd.resolve(".mvn"));
        Path pom = cwd.resolve("pom.xml").toAbsolutePath();
        Files.writeString(pom, POM_STRING);
        Path appJava = cwd.resolve("src/main/java/org/apache/maven/samples/sample/App.java");

    public final CWD cwd;
    public final Path installationDirectory;
    public final Path userDirectory;
    public final boolean containerCapsuleManaged;
    private final Options options;

    public LookupContext(InvokerRequest invokerRequest, boolean containerCapsuleManaged, Options options) {
        this.invokerRequest = requireNonNull(invokerRequest);
        this.cwd = CWD.create(invokerRequest.cwd());

        LocalContext context = new LocalContext(parserRequest);

        // the basics
        try {
            context.cwd = getCwd(context);
        } catch (Exception e) {
            context.parsingFailed = true;
            context.cwd = getCanonicalPath(Paths.get("."));
            parserRequest.logger().error("Error determining working directory", e);
        }
        try {

        }

        public Builder lookup(@Nonnull Lookup lookup) {
            this.lookup = requireNonNull(lookup);
            return this;
        }

        public Builder cwd(Path cwd) {
            this.cwd = cwd;
            return this;
        }

        public Builder mavenHome(Path mavenHome) {
            this.mavenHome = mavenHome;
            return this;
        }

            @Nullable CIInfo ciInfo,
            @Nullable Options options) {
        this.parserRequest = requireNonNull(parserRequest);
        this.parsingFailed = parsingFailed;
        this.cwd = requireNonNull(cwd);
        this.installationDirectory = requireNonNull(installationDirectory);
        this.userHomeDirectory = requireNonNull(userHomeDirectory);

        this.userProperties = requireNonNull(userProperties);

    @Override
    protected int execute(LookupContext context) throws Exception {
        // set up JLine built-in commands
        ConfigurationPath configPath = new ConfigurationPath(context.cwd.get(), context.cwd.get());
        Builtins builtins = new Builtins(context.cwd, configPath, null);
        builtins.rename(Builtins.Command.TTOP, "top");
        builtins.alias("zle", "widget");
        builtins.alias("bindkey", "keymap");

        return new MavenParser();
    }

    @Test
    void defaultFs(
            @TempDir(cleanup = CleanupMode.ON_SUCCESS) Path cwd,
            @TempDir(cleanup = CleanupMode.ON_SUCCESS) Path userHome)
            throws Exception {
        invoke(cwd, userHome, List.of("verify"), List.of());
    }

    @Disabled("Enable it when fully moved to NIO2 with Path/Filesystem (ie MavenExecutionRequest)")
    @Test