@CompileStatic
class ConfigurationSpec extends MultiSectionHandler {
    private final String name
    private final Supplier<Boolean> isCreate

    ConfigurationSpec(String name, Supplier<Boolean> isCreate) {
        this.name = name
        this.isCreate = isCreate
    }

    @Override
    String getSectionName() {
        name
    }

    void extendsFrom(String... superConfs) {

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

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

    public void createMutableModel(
        DefaultProjectDescriptor descriptor,
        BuildState build,
        ProjectState owner,

        BuildProjectRegistry projectsForThisBuild = getProjectStateRegistry().findProjectsFor(getBuildIdentifier());
        return projectsForThisBuild != null && projectsForThisBuild.getRootProject().isCreated();
    }

    @Override
    public void ensureProjectsConfigured() {
        getBuildController().configureProjects();
    }

    @Override
    public GradleInternal getMutableModel() {