controller.prepareToScheduleTasks()
        def plan1 = controller.newWorkGraph()
        controller.populateWorkGraph(plan1) { b -> b.addRequestedTasks() }
        controller.finalizeWorkGraph(plan1)
        def executionResult = controller.executeTasks(plan1)
        executionResult.failures.empty

        controller.prepareToScheduleTasks()
        def plan2 = controller.newWorkGraph()

        } else {
            delegate.configuredModel
        }
    }

    override fun prepareToScheduleTasks() {
        if (!maybeLoadFromCache()) {
            delegate.prepareToScheduleTasks()
        } // Else, already done
    }

    override fun scheduleRequestedTasks(selector: EntryTaskSelector?, plan: ExecutionPlan) {
        if (!maybeLoadFromCache()) {

    private val delegate: BuildTreeWorkGraphPreparer,
    private val cache: BuildTreeConfigurationCache
) : BuildTreeWorkGraphPreparer {
    override fun prepareToScheduleTasks(workGraph: BuildTreeWorkGraph.Builder) {
        if (!cache.isLoaded) {
            delegate.prepareToScheduleTasks(workGraph)
        } // else, not required
    }

        this.buildRegistry = buildRegistry;
        this.taskSelector = taskSelector;
    }

    @Override
    public void prepareToScheduleTasks(BuildTreeWorkGraph.Builder workGraph) {
        RootBuildState targetBuild = buildRegistry.getRootBuild();
        Set<String> excludedTaskNames = targetBuild.getMutableModel().getStartParameter().getExcludedTaskNames();

package org.gradle.internal.buildtree;

/**
 * Performs any initial setup that needs to happen to a build tree work graph prior to scheduling the requested tasks.
 */
public interface BuildTreeWorkGraphPreparer {
    void prepareToScheduleTasks(BuildTreeWorkGraph.Builder workGraph);

        when:
        graph.withNewWorkGraph { g ->
            def f = g.scheduleWork { b ->
            }
            f.runWork().rethrow()
        }

        then:
        1 * preparer.prepareToScheduleTasks(_)
        0 * _
    }

    def "finalizes graph for a build when something scheduled"() {
        given:
        def id = Stub(BuildIdentifier)
        def workGraphController = Mock(BuildWorkGraphController)

                return false;
            }
            controller.getGradle().getOwner().getProjects().withMutableStateOfAllProjects(() -> {
                createPlan();
                controller.prepareToScheduleTasks();
                controller.populateWorkGraph(plan, workGraph -> workGraph.addEntryTasks(tasks));
            });
            return true;
        }

        @Override

    }

    @Override
    public BuildTreeWorkGraph.FinalizedGraph scheduleRequestedTasks(BuildTreeWorkGraph graph, @Nullable EntryTaskSelector selector) {
        targetBuildController.prepareToScheduleTasks();
        return graph.scheduleWork(graphBuilder -> {
            if (selector != null) {
                graphBuilder.addFinalization(targetBuild, selector::postProcessExecutionPlan);
            }

    }

    @Override
    public GradleInternal getConfiguredModel() {
        prepareSettings();
        prepareProjects();
        return gradle;
    }

    @Override
    public void prepareToScheduleTasks() {
        prepareSettings();
        prepareProjects();
    }

    @Override
    public void scheduleRequestedTasks(@Nullable EntryTaskSelector selector, ExecutionPlan plan) {

     */
    GradleInternal getConfiguredModel();

    /**
     * Does whatever work is required to allow tasks to be scheduled. May configure the build, if required.
     */
    void prepareToScheduleTasks();

    /**
     * Schedules the user requested tasks for this build into the given plan.
     */
    void scheduleRequestedTasks(@Nullable EntryTaskSelector selector, ExecutionPlan plan);