*/
    void apply(UserCodeSource source, Action<? super UserCodeApplicationId> action);

    /**
     * Runs some Gradle runtime code.
     */
    void gradleRuntime(Runnable runnable);

    /**
     * Returns an action that represents some deferred execution of the current user code. While the returned action is running, the details of the current application are restored.

        try {
            action.execute(id);
        } finally {
            currentApplication.set(current);
        }
    }

    @Override
    public void gradleRuntime(Runnable runnable) {
        CurrentApplication current = currentApplication.get();
        //noinspection ThreadLocalSetWithNull
        currentApplication.set(null);
        try {
            runnable.run();

        def id1

        when:
        context.apply(source, action)

        then:
        1 * action.execute(_) >> { UserCodeApplicationId id ->
            id1 = id
            context.gradleRuntime(action2)
            assert context.current().id == id
            assert context.current().source == source
        }
        1 * action2.run() >> {
            assert context.current() == null
        }

    }

    def 'lifecycle actions can be registered in the context of the Gradle runtime'() {
        given:
        settingsFile """
            ${userCodeApplicationContext}.gradleRuntime {
                gradle.lifecycle.beforeProject {
                    println("before:" + $currentApplication)
                }

                gradle.lifecycle.afterProject {

        // Services are created on demand, and this may happen while applying a plugin
        userCodeApplicationContext.gradleRuntime(() -> {
            for (BuildScopeToolingModelBuilderRegistryAction registryAction : registryActions) {
                registryAction.execute(registry);
            }
        });
        return registry;
    }

        ClassLoaderFactory classLoaderFactory = new DefaultClassLoaderFactory();
        ClassPath antClasspath = classPathRegistry.getClassPath("ANT");
        ClassPath runtimeClasspath = classPathRegistry.getClassPath("GRADLE_RUNTIME");
        ClassLoader antClassLoader = classLoaderFactory.createIsolatedClassLoader("ant-loader", antClasspath);

    public DefaultClassPathProvider(ModuleRegistry moduleRegistry) {
        this.moduleRegistry = moduleRegistry;
    }

    @Override
    public ClassPath findClassPath(String name) {
        if (name.equals("GRADLE_RUNTIME")) {
            // Use everything reachable from the daemon implementation
            return moduleRegistry.getModule("gradle-daemon-server").getAllRequiredModulesClasspath();
        }