public DefaultProjectDescriptor project(String path) {
        DefaultProjectDescriptor projectDescriptor = getProjectDescriptorRegistry().getProject(path);
        if (projectDescriptor == null) {
            throw new UnknownProjectException(String.format("Project with path '%s' could not be found.", path));
        }
        return projectDescriptor;
    }

    @Override
    public DefaultProjectDescriptor project(File projectDir) {

    }

    private static boolean assertCanGenerateAccessors(ProjectRegistry<? extends ProjectDescriptor> projectRegistry) {
        List<String> errors = new ArrayList<>();
        projectRegistry.getAllProjects()
            .stream()
            .map(ProjectDescriptor::getName)
            .filter(p -> !SUPPORTED_PATTERN.matcher(p).matches())

        accessor.fooUtils instanceof ProjectDependency
        accessor.foo.fooLib instanceof ProjectDependency
        accessor.foo.fooUtils instanceof ProjectDependency
    }

    ProjectDescriptor project(String name, @DelegatesTo(value = ProjectDescriptor, strategy = Closure.DELEGATE_FIRST) Closure<?> spec = {}) {
        def builder = new ProjectDescriptorBuilder(name, null)
        spec.delegate = builder

     */
    @Restricted
    ProjectDescriptor getRootProject();

    /**
     * <p>Returns the project with the given path.</p>
     *
     * @param path The path.
     * @return The project with the given path. Never returns null.
     * @throws UnknownProjectException If no project with the given path exists.
     */
    ProjectDescriptor project(String path) throws UnknownProjectException;

        modelServices.servicesForBuild(_, _, _) >> Mock(BuildModelControllerServices.Supplier)
        settings.rootProject >> Stub(ProjectDescriptor) {
            getName() >> "root"
        }
        settings.findProject(_) >> {
            it[0] in projects ? Stub(ProjectDescriptor) : null
        }

        build.buildIdentifier >> DefaultBuildIdentifier.ROOT
        build.identityPath >> Path.ROOT

        DefaultProjectDescriptor projectDescriptor = new DefaultProjectDescriptor(parentDescriptor, name, projectDir, descriptorRegistry, parentProject.getServices().get(FileResolver.class));

        ProjectState projectState = parentProject.getServices().get(ProjectStateRegistry.class).registerProject(parentProject.getServices().get(BuildState.class), projectDescriptor);

import org.gradle.api.component.SoftwareComponentContainer
import org.gradle.api.file.ConfigurableFileCollection
import org.gradle.api.file.ConfigurableFileTree
import org.gradle.api.initialization.ProjectDescriptor
import org.gradle.api.internal.GradleInternal
import org.gradle.api.internal.file.DefaultFilePropertyFactory
import org.gradle.api.internal.file.DefaultProjectLayout
import org.gradle.api.internal.file.FileCollectionFactory

    }

    @Override
    public ProjectState registerProject(BuildState owner, DefaultProjectDescriptor projectDescriptor) {
        synchronized (lock) {
            DefaultBuildProjectRegistry buildProjectRegistry = getBuildProjectRegistry(owner);
            return addProject(owner, buildProjectRegistry, projectDescriptor);
        }
    }

    @Override
    public void discardProjectsFor(BuildState build) {