import org.gradle.api.provider.Provider;

public class DownloadPlugin implements Plugin<Project> {
    public void apply(Project project) {
        // Register the service
        project.getGradle().getSharedServices().registerIfAbsent("web", WebServer.class, spec -> {
            // Provide some parameters
            spec.getParameters().getPort().set(5005);
        });

import org.gradle.api.provider.Provider;

public class DownloadPlugin implements Plugin<Project> {
    public void apply(Project project) {
        // Register the service
        project.getGradle().getSharedServices().registerIfAbsent("web", WebServer.class, spec -> {
            // Provide some parameters
            spec.getParameters().getPort().set(5005);
        });

import org.gradle.api.provider.Provider;

public class DownloadPlugin implements Plugin<Project> {
    public void apply(Project project) {
        // Register the service
        project.getGradle().getSharedServices().registerIfAbsent("web", WebServer.class, spec -> {
            // Provide some parameters
            spec.getParameters().getPort().set(5005);
        });

public class DownloadPlugin implements Plugin<Project> {
    public void apply(Project project) {
        // Register the service
        Provider<WebServer> serviceProvider = project.getGradle().getSharedServices().registerIfAbsent("web", WebServer.class, spec -> {
            // Provide some parameters
            spec.getParameters().getPort().set(5005);
        });

import org.gradle.api.provider.Provider;

public class DownloadPlugin implements Plugin<Project> {
    public void apply(Project project) {
        // Register the service
        project.getGradle().getSharedServices().registerIfAbsent("web", WebServer.class, spec -> {
            // Provide some parameters
            spec.getParameters().getPort().set(5005);
        });

    @Override
    public void apply(Project project) {
        Provider<TaskEventsService> serviceProvider =
            project.getGradle().getSharedServices().registerIfAbsent(
                "taskEvents", TaskEventsService.class, spec -> {}); // <2>

        getEventsListenerRegistry().onTaskCompletion(serviceProvider); // <3>
    }

    @Inject
    protected abstract FlowProviders getFlowProviders(); // <1>

    @Override
    public void apply(Settings settings) {
// end::flow-action[]
        settings.getGradle().getSharedServices().registerIfAbsent("soundService", SoundService.class, spec -> {});

// tag::flow-action[]
        final File soundsDir = new File(settings.getSettingsDir(), "sounds");
        getFlowScope().always( // <2>

public class DownloadPlugin implements Plugin<Project> {
    public void apply(Project project) {
        // Register the service
        Provider<WebServer> serviceProvider = project.getGradle().getSharedServices().registerIfAbsent("web", WebServer.class, spec -> {
            // Provide some parameters
            spec.getParameters().getPort().set(5005);
        });

        """
        file('build.gradle') << """
            plugins { id 'counting-service-plugin' version '1.0' }

            def altServiceProvider = project.getGradle().getSharedServices().registerIfAbsent(
                "counter",
                CountingService.class,
                (spec) -> {}
            );

            tasks.register('count', CountingTask) {

import org.gradle.api.invocation.Gradle;
import org.gradle.api.provider.Provider;

/**
 * A registry of build services. You use this type to register service instances.
 *
 * <p>A registry is available using {@link Gradle#getSharedServices()}.</p>
 *
 * @since 6.1
 */
public interface BuildServiceRegistry {
    /**
     * Returns the set of service registrations.
     */