return null;
        }

        interpolator.addValueSource(new AbstractValueSource(false) {
            @Override
            public Object getValue(String expression) {
                if ("project.rootDirectory".equals(expression)) {
                    Path base = basedir != null ? basedir.toPath() : null;
                    Path root = rootLocator.findMandatoryRoot(base);
                    return root.toFile().getAbsolutePath();

    /**
     * Name of the property used to store the project's root directory to use with
     * XInclude support.
     */
    String ROOT_DIRECTORY = "rootDirectory";

    /**
     * Reads the model from the specified file.
     *
     * @param input The file to deserialize the model from, must not be {@code null}.

        if (cliRequest.getRootDirectory() != null) {
            props = new Properties();
            props.putAll(cliRequest.getUserProperties());
            props.put("session.rootDirectory", cliRequest.getRootDirectory().toString());
        }
        settingsRequest.setUserProperties(props);

        if (request.getEventSpyDispatcher() != null) {

                        + "The property can be passed as a Maven argument or in the Maven project configuration file,"
                        + "usually located at ${session.rootDirectory}/.mvn/maven.properties.");
            }
        }
        ArrayList<Path> jars = new ArrayList<>();
        if (extClassPath != null && !extClassPath.isEmpty()) {

                    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.
     *

    }

    /**
     * Returns a boolean indicating if the project is the top level project for
     * this reactor build.  The top level project may be different from the
     * {@code rootDirectory}, especially if a subtree of the project is being
     * built, either because Maven has been launched in a subdirectory or using
     * a {@code -f} option.
     *

    ModelBuildingRequest setTransformerContextBuilder(TransformerContextBuilder contextBuilder);

    Path getRootDirectory();

    ModelBuildingRequest setRootDirectory(Path rootDirectory);

    public static final String MAVEN_USER_CONF = "maven.user.conf";

    /**
     * Maven project configuration directory.
     *
     * @since 4.0.0
     */
    @Config(defaultValue = "${session.rootDirectory}/.mvn")
    public static final String MAVEN_PROJECT_CONF = "maven.project.conf";

    /**
     * Maven local repository.
     *
     * @since 3.0.0
     */

     * @since 4.0.0
     */
    Path getTopDirectory();

    /**
     * Sets the root directory of the project.
     *
     * @since 4.0.0
     */
    MavenExecutionRequest setRootDirectory(Path rootDirectory);

    /**
     * Gets the root directory of the top project, which is the parent directory containing the {@code .mvn}
     * directory or a {@code pom.xml} file with the {@code root="true"} attribute.

        * Make the kubectl from k8s release the default on GCI
* kubelet summary rootfs now refers to the filesystem that contains the Kubelet RootDirectory (var/lib/kubelet) instead of cadvisor's rootfs ( / ), since they may be different filesystems. ([#35136](https://github.com/kubernetes/kubernetes/pull/35136), [@dashpole](https://github.com/dashpole))