@ServiceScope(Scope.BuildTree.class)
public class BuildStateFactory {
    private final BuildTreeState buildTreeState;
    private final ListenerManager listenerManager;
    private final GradleUserHomeScopeServiceRegistry userHomeDirServiceRegistry;
    private final CrossBuildSessionState crossBuildSessionState;
    private final BuildCancellationToken buildCancellationToken;

    public BuildStateFactory(
        BuildTreeState buildTreeState,

    public DefaultIncludedBuildRegistry(IncludedBuildFactory includedBuildFactory, ListenerManager listenerManager, BuildStateFactory buildStateFactory) {
        this.includedBuildFactory = includedBuildFactory;
        this.buildAddedBroadcaster = listenerManager.getBroadcaster(BuildAddedListener.class);
        this.buildStateFactory = buildStateFactory;
    }

    @Override
    public RootBuildState getRootBuild() {
        if (rootBuild == null) {

    }

    private static class CompositeBuildTreeScopeServices implements ServiceRegistrationProvider {
        public void configure(ServiceRegistration serviceRegistration) {
            serviceRegistration.add(BuildStateFactory.class);
            serviceRegistration.add(DefaultIncludedBuildFactory.class);
            serviceRegistration.add(DefaultIncludedBuildTaskGraph.class);
            serviceRegistration.add(DefaultIncludedBuildRegistry.class);

    }
    def services = new DefaultServiceRegistry()
    def modelServices = Mock(BuildModelControllerServices)
    def buildTree = Mock(BuildTreeState)
    def factory = new BuildStateFactory(
        buildTree,
        listenerManager,
        Stub(GradleUserHomeScopeServiceRegistry),
        Stub(CrossBuildSessionState),
        Stub(BuildCancellationToken)
    )