* @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.

                    MavenProject project =
                            projectIndex.get(r.getEffectiveModel().getId());
                    Path rootDirectory =
                            rootLocator.findRoot(pom.getParentFile().toPath());
                    project.setRootDirectory(rootDirectory);
                    project.setFile(pom);
                    project.setExecutionRoot(pom.equals(pomFile));

    }

    /**
     * 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.
     *

            <p>The following properties are supported in expressions:</p>

            <ul>
            <li>`project.basedir`: The project directory</li>
            <li>`project.rootDirectory`: The root directory of the project</li>
            <li>`project.artifactId`: The artifactId of the project</li>
            <li>`project.packaging`: The packaging of the project</li>
            <li>user properties</li>

        * 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))

  cm.NodeAllocatableRoot(s.CgroupRoot, s.CgroupDriver)
  
  kubeDeps.CAdvisorInterface, err = cadvisor.New(imageFsInfoProvider, s.RootDirectory, cgroupRoots, cadvisor.UsingLegacyCadvisorStats(s.ContainerRuntime, s.RemoteRuntimeEndpoint))