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

    /**
     * Returns a proto session builder of this instance.
     */
    @Nonnull
    default Builder toBuilder() {
        try {
            return new Builder(

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

    }

    @Override
    public boolean isRootProject() {
        return getBasedir().equals(getRootDirectory());
    }

    @Override
    public Path getRootDirectory() {
        return project.getRootDirectory();
    }

    @Override
    public Optional<Project> getParent() {
        MavenProject parent = project.getParent();

    @Nonnull
    @Override
    public Instant getStartTime() {
        return getMavenSession().getRequest().getStartInstant();
    }

    @Override
    public Path getRootDirectory() {
        return getMavenSession().getRequest().getRootDirectory();
    }

    @Override
    public Path getTopDirectory() {
        return getMavenSession().getRequest().getTopDirectory();
    }

    @Nonnull
    @Override

/**
 * An XML reader request.
 *
 * @since 4.0.0
 */
@Experimental
@Immutable
public interface XmlReaderRequest {

    @Nullable
    Path getPath();

    @Nullable
    Path getRootDirectory();

    @Nullable
    URL getURL();

    @Nullable
    InputStream getInputStream();

    @Nullable
    Reader getReader();

    @Nullable
    Transformer getTransformer();

     *
     * @return the root directory of the project
     * @throws IllegalStateException if the root directory could not be found
     * @see Session#getRootDirectory()
     */
    @Nonnull
    Path getRootDirectory();

    /**
     * Returns project parent project, if any.
     * <p>
     * Note that the model may have a parent defined, but an empty parent

        parameterInactiveOptionalProjects.forEach(projectActivation::deactivateOptionalProject);

        when(mavenExecutionRequest.getRootDirectory()).thenReturn(Paths.get("."));
        when(mavenExecutionRequest.getProjectActivation()).thenReturn(projectActivation);
        when(mavenExecutionRequest.getMakeBehavior()).thenReturn(parameterMakeBehavior);

                return Collections.emptyList();
            }

            throw e;
        }
    }

    private File getRootProject(MavenExecutionRequest request) {
        Path rootDirectory = request.getRootDirectory();
        if (request.getPom().getParentFile().toPath().equals(rootDirectory)) {
            return request.getPom();
        } else {
            Path rootProjectPom = modelProcessor.locateExistingPom(rootDirectory);

            context.topDirectory = context.cwd;
            parserRequest.logger().error("Error determining top directory", e);
        }
        try {
            context.rootDirectory = getRootDirectory(context);
        } catch (Exception e) {
            context.parsingFailed = true;
            context.rootDirectory = context.cwd;
            parserRequest.logger().error("Error determining root directory", e);

                    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.
     *