@Nullable
    @Override
    ProjectInternal getParent();

    @Nullable
    ProjectInternal getParent(ProjectInternal referrer);

    @Override
    ProjectInternal getRootProject();

    ProjectInternal getRootProject(ProjectInternal referrer);

    Project evaluate();

    ProjectInternal bindAllModelRules();

    @Override
    TaskContainerInternal getTasks();

     * @param path absolute path
     */
    @Nullable
    ProjectInternal findProject(ProjectInternal referrer, ProjectInternal relativeTo, String path);

    /**
     * @param referrer The project from which the return value will be used.
     */
    ProjectInternal access(ProjectInternal referrer, ProjectInternal project);

    /**
     * @param referrer The project from which the return value will be used.

            )
        );
    }

    @Override
    public Set<? extends ProjectInternal> getSubprojects(ProjectInternal referrer, ProjectInternal relativeTo) {
        return new TreeSet<>(projectRegistry.getSubProjects(relativeTo.getPath()));
    }

    @Override
    public Set<? extends ProjectInternal> getAllprojects(ProjectInternal referrer, ProjectInternal relativeTo) {

    }

    private static void discoverTasks(ProjectInternal project) {
        try {
            project.getTasks().discoverTasks();
        } catch (Throwable e) {
            throw new ProjectConfigurationException(String.format("A problem occurred configuring %s.", project.getDisplayName()), e);
        }
    }

    private static Set<String> getTaskNames(ProjectInternal project) {
        return project.getTasks().getNames();

        this.buildOperationRunner = buildOperationRunner;
    }

    @Override
    public void project(ProjectInternal project, Action<? super Project> configureAction) {
        runProjectConfigureAction(project, configureAction);
    }

    @Override
    public void subprojects(Iterable<? extends ProjectInternal> projects, Action<? super Project> configureAction) {

                ProjectInternal projectInternal = (ProjectInternal) project;

                ProjectInternal.DetachedResolver detachedResolver = projectInternal.newDetachedResolver();
                initBuild.getProjectLayoutRegistry().getBuildConverter().configureClasspath(
                    detachedResolver, project.getObjects(), projectInternal.getServices().get(JvmPluginServices.class));

    public static final String CHILD_NAME = "child";
    public static final String CHILD_CHILD_NAME = "childchild";
    private ProjectInternal rootMock;
    private ProjectInternal childMock;
    private ProjectInternal childChildMock;

    private DefaultProjectRegistry<ProjectInternal> projectRegistry;

    @Rule
    public TestNameTestDirectoryProvider temporaryFolder = new TestNameTestDirectoryProvider(getClass());

        ProjectInternal projectInternal = delegate.getProject(path);
        if (projectInternal == null) {
            throw new UnknownProjectException("Project with path '" + path + "' not found.");
        }

        // TODO This is a brain-dead way to ensure that the reference project's model is ready to access
        return projectInternal.getOwner().fromMutableState(project -> {

        }
        projectState.ensureTasksDiscovered();
    }

    @Override
    public void configureHierarchy(ProjectInternal project) {
        configure(project);
        for (Project sub : project.getSubprojects()) {
            configure((ProjectInternal) sub);
        }
    }

    @Override
    public void apply(final Project project) {
        final ProjectInternal projectInternal = (ProjectInternal) project;
        addClean(projectInternal);
        addCleanRule(project);
        addAssemble(project);
        addCheck(project);
        addBuild(project);
    }

    private void addClean(final ProjectInternal project) {
        Provider<Directory> buildDir = project.getLayout().getBuildDirectory();