}
        } else if (cliRequest.getRootDirectory() != null) {
            projectSettingsFile = DEFAULT_PROJECT_SETTINGS_FILE;
            projectSettingsFile = resolveFile(
                    projectSettingsFile, cliRequest.getRootDirectory().toString());
        } else {
            projectSettingsFile = null;
        }

     */
    public Path getTopDirectory() {
        return request.getTopDirectory();
    }

    /**
     * @see MavenExecutionRequest#getRootDirectory()
     * @since 4.0.0
     */
    public Path getRootDirectory() {
        return request.getRootDirectory();
    }

    public MavenExecutionRequest getRequest() {
        return request;
    }

        setWorkspaceModelResolver(request.getWorkspaceModelResolver());
        setTransformerContextBuilder(request.getTransformerContextBuilder());
        setRootDirectory(request.getRootDirectory());
    }

    @Deprecated
    @Override
    public File getPomFile() {
        return pomPath != null ? pomPath.toFile() : null;
    }

    @Override
    public Path getPomPath() {

        context.userHomeDirectory = requireNonNull(getUserHomeDirectory(context));

        // top/root
        context.topDirectory = requireNonNull(getTopDirectory(context));
        context.rootDirectory = getRootDirectory(context);

        // options
        List<O> parsedOptions = parseCliOptions(context);

        // warn about deprecated options

     * @deprecated use {@link #setRootDirectory(Path)} instead
     */
    @Deprecated
    void setMultiModuleProjectDirectory(File file);

    /**
     * @since 3.3.0
     * @deprecated use {@link #getRootDirectory()} instead
     */
    @Deprecated
    File getMultiModuleProjectDirectory();

    /**
     * Sets the top directory of the project.
     *
     * @since 4.0.0
     */

                    break;
            }
        }
        return packaged;
    }

    private Path relativizeOutputFile(final Path outputFile) {
        Path rootDirectory = session.getRequest().getRootDirectory();
        return rootDirectory.relativize(outputFile);
    }

    /**
     * Tries to resolve the specified artifact from the artifacts of the given project.
     *

     * @throws IllegalStateException if the root directory could not be found
     * @see #getTopDirectory()
     * @see Project#getRootDirectory()
     * @see Project#isRootProject()
     */
    @Nonnull
    Path getRootDirectory();

    /**
     * Retrieves a list of projects associated with the session.
     *
     * @return a list of projects, never {@code null}
     */
    @Nonnull

    public Instant getStartTime() {
        return startTime;
    }

    @Override
    public Path getTopDirectory() {
        return null;
    }

    @Override
    public Path getRootDirectory() {
        throw new IllegalStateException();
    }

    @Override
    public List<Project> getProjects() {
        return List.of();
    }

    @Override

    TransformerContextBuilder getTransformerContextBuilder();

    ModelBuildingRequest setTransformerContextBuilder(TransformerContextBuilder contextBuilder);

    Path getRootDirectory();

    ModelBuildingRequest setRootDirectory(Path rootDirectory);

    }

    @Deprecated
    @Override
    public File getMultiModuleProjectDirectory() {
        return multiModuleProjectDirectory;
    }

    @Override
    public Path getRootDirectory() {
        if (rootDirectory == null) {
            throw new IllegalStateException(RootLocator.UNABLE_TO_FIND_ROOT_PROJECT_MESSAGE);
        }
        return rootDirectory;
    }

    @Override