org.apache.maven.model.Model model =
                    new org.apache.maven.model.Model(new MavenStaxReader().read(inputStream));
            project = new MavenProject(model);
            project.setRootDirectory(Paths.get("src/test/resources/consumer/trivial"));
            project.setOriginalModel(model);
            project.setRemoteArtifactRepositories(Collections.singletonList(new MavenArtifactRepository(

        Path path = Paths.get("").toAbsolutePath();

        MavenSession mavenSession = createMavenSession(null);
        mavenSession.getRequest().setTopDirectory(path);
        mavenSession.getRequest().setRootDirectory(path);

        Object result = new PluginParameterExpressionEvaluator(mavenSession, new MojoExecution(null))
                .evaluate("${session.rootDirectory.uri}");
        assertEquals(path.toUri(), result);

        MavenSession mavenSession = createSession(container, repo, executionProperties);
        mavenSession.setCurrentProject(project);
        mavenSession.getRequest().setRootDirectory(rootDirectory);
        mavenSession.getRequest().setTopDirectory(rootDirectory);

        DefaultSession session = new DefaultSession(

        DefaultMavenExecutionRequest mer = new DefaultMavenExecutionRequest();
        MavenSession ms = new MavenSession(null, rss, mer, null);
        ms.getRequest().setRootDirectory(Paths.get("myRootDirectory"));
        DefaultSession session =
                new DefaultSession(ms, mock(RepositorySystem.class), Collections.emptyList(), null, null, null);

     * @since 3.3.0
     */
    Map<String, List<ToolchainModel>> getToolchains();

    /**
     * @since 3.3.0
     * @deprecated use {@link #setRootDirectory(Path)} instead
     */
    @Deprecated
    void setMultiModuleProjectDirectory(File file);

    /**
     * @since 3.3.0
     * @deprecated use {@link #getRootDirectory()} instead
     */

                            .locationTracking(true)
                            .listener(listener)
                            .build();

                    if (pomFile != null) {
                        project.setRootDirectory(rootLocator.findRoot(pomFile.getParent()));
                    }

                    ModelBuilderResult result;
                    try {
                        result = modelBuilder.build(request);

            throw new IllegalStateException(RootLocator.UNABLE_TO_FIND_ROOT_PROJECT_MESSAGE);
        }
        return rootDirectory;
    }

    @Override
    public MavenExecutionRequest setRootDirectory(Path rootDirectory) {
        this.rootDirectory = rootDirectory;
        return this;
    }

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

        File pomFile = new File("src/test/resources/projects/artifactMissingVersion/pom.xml").getAbsoluteFile();
        MavenSession mavenSession = createMavenSession(null);
        mavenSession.getRequest().setRootDirectory(pomFile.getParentFile().toPath());
        ProjectBuildingRequest configuration = new DefaultProjectBuildingRequest();
        configuration.setValidationLevel(ModelBuildingRequest.VALIDATION_LEVEL_MINIMAL);

        if (rootDirectory == null) {
            throw new IllegalStateException(RootLocator.UNABLE_TO_FIND_ROOT_PROJECT_MESSAGE);
        }
        return rootDirectory;
    }

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