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

    public void setRootDirectory(Path rootDirectory) {
        this.rootDirectory = rootDirectory;
    }

        assertEquals("reloc-version", pom.getValue("distributionManagement/relocation/version"));
        assertEquals("project-reloc-msg", pom.getValue("distributionManagement/relocation/message"));

        assertEquals(1, ((List<?>) pom.getValue("modules")).size());
        assertEquals("sub", pom.getValue("modules[1]"));

        assertEquals(3, ((Map<?, ?>) pom.getValue("properties")).size());

     * By default, bold blue
     *
     * @param message the message to append
     * @return the current builder
     */
    @Nonnull
    default MessageBuilder info(Object message) {
        return style(".info:-bold,f:blue", message);
    }

    /**
     * Append message content in warning style.
     * By default, bold yellow
     *
     * @param message the message to append

        this(plugin, message, (Throwable) cause);
    }

    /**
     * Constructor.
     *
     * @deprecated Left for binary compatibility.
     */
    @Deprecated
    public PluginManagerException(Plugin plugin, String message, ComponentRepositoryException cause) {
        this(plugin, message, (Throwable) cause);
    }

    /**
     * The version of the unresolvable model.
     */
    private final String version;

    /**
     * Creates a new exception with specified detail message and cause.
     *
     * @param message The detail message, may be {@code null}.
     * @param groupId The group id of the unresolvable model, may be {@code null}.
     * @param artifactId The artifact id of the unresolvable model, may be {@code null}.

@Experimental
public class XmlReaderException extends MavenException {

    private final Location location;

    /**
     * @param message the message for the exception
     * @param e the exception itself
     */
    public XmlReaderException(String message, Location location, Exception e) {
        super(message, e);
        this.location = location;
    }

    public Location getLocation() {
        return location;
    }

            if (cause instanceof ModelBuildingException) {
                String message = "In: " + pom + "\n\n";
                for (ModelProblem problem : ((ModelBuildingException) cause).getProblems()) {
                    message += problem + "\n";
                }
                System.out.println(message);
                fail(message);
            }

            throw e;
        }
    }

@Experimental
public class DependencyResolverException extends MavenException {

    private static final long serialVersionUID = 1101171569179057614L;

    public DependencyResolverException(String message, Throwable cause) {
        super(message, cause);
    }

        public List<String> messages = new ArrayList<>();

        public void add(Severity severity, String message, int line, int column, Exception cause) {
            messages.add(message);
        }
    }

     */

                            if (logger.isDebugEnabled()) {
                                // Message below is checked for in the MNG-2199 core IT.
                                logger.warn("Failed to build parent project for " + project.getId(), e);
                            } else {
                                // Message below is checked for in the MNG-2199 core IT.