1 * rootProjectState.mutableModel >> rootProject
        1 * rootProjectState.createMutableModel(rootProjectClassLoaderScope, baseProjectClassLoaderScope)
        1 * childProjectState.createMutableModel(childProjectClassLoaderScope, baseProjectClassLoaderScope)

        and:
        1 * gradle.setRootProject(rootProject)

        ProjectState projectState = gradle.getOwner().getProjects().getProject(rootProjectDescriptor.path());
        projectState.createMutableModel(rootProjectClassLoaderScope, baseProjectClassLoaderScope);
        ProjectInternal rootProject = projectState.getMutableModel();
        gradle.setRootProject(rootProject);

        rootState.createMutableModel(Stub(ClassLoaderScope), Stub(ClassLoaderScope))

        def project = project("p1")
        def state = registry.stateFor(projectId("p1"))

        1 * projectFactory.createProject(_, _, state, _, _, _, _) >> project

        state.createMutableModel(Stub(ClassLoaderScope), Stub(ClassLoaderScope))

        expect:

        controller = factory.newController(displayName, State.NotCreated);
    }

    public boolean isCreated() {
        return project != null;
    }

    public void createMutableModel(
        DefaultProjectDescriptor descriptor,
        BuildState build,
        ProjectState owner,
        ClassLoaderScope selfClassLoaderScope,
        ClassLoaderScope baseClassLoaderScope,

        ProjectState projectState = parentProject.getServices().get(ProjectStateRegistry.class).registerProject(parentProject.getServices().get(BuildState.class), projectDescriptor);
        projectState.createMutableModel(parentProject.getClassLoaderScope().createChild("project-" + name, null), parentProject.getBaseClassLoaderScope());
        ProjectInternal project = projectState.getMutableModel();

        private
        fun createProject(descriptor: DefaultProjectDescriptor): ProjectInternal {
            val projectState = state.projects.getProject(descriptor.path())
            projectState.createMutableModel(coreAndPluginsScope, coreAndPluginsScope)
            val project = projectState.mutableModel

        @Override
        public boolean isCreated() {
            return controller.isCreated();
        }

        @Override
        public void createMutableModel(ClassLoaderScope selfClassLoaderScope, ClassLoaderScope baseClassLoaderScope) {
            controller.createMutableModel(descriptor, owner, this, selfClassLoaderScope, baseClassLoaderScope, projectFactory);
        }

        @Override

    /**
     * Is the mutable model for this project available?
     */
    boolean isCreated();

    /**
     * Creates the mutable model for this project.
     */
    void createMutableModel(ClassLoaderScope selfClassLoaderScope, ClassLoaderScope baseClassLoaderScope);

    /**
     * Configures the mutable model for this project, if not already.
     *

                    val projectState = gradle.serviceOf<ProjectStateRegistry>().registerProject(gradle.owner, settings.rootProject as DefaultProjectDescriptor)
                    projectState.createMutableModel(rootProjectScope, baseScope)
                    val rootProject = projectState.mutableModel
                    gradle.rootProject = rootProject
                    gradle.defaultProject = rootProject