.build()))
                .build();
    }

    @Override
    protected void merge(Metadata recessive) {
        List<Plugin> recessivePlugins = recessive.getPlugins();
        List<Plugin> plugins = metadata.getPlugins();
        if (!recessivePlugins.isEmpty() || !plugins.isEmpty()) {
            LinkedHashMap<String, Plugin> mergedPlugins = new LinkedHashMap<>();

                }
            }
            return model;
        }

        private Build mergePluginContainerPlugins(Build target, PluginContainer source) {
            List<Plugin> src = source.getPlugins();
            if (!src.isEmpty()) {
                Map<Object, Plugin> managedPlugins = new LinkedHashMap<>(src.size() * 2);

                Map<Object, Object> context = Collections.emptyMap();

            }
        }

        metadata.getVersioning().setSnapshotVersions(new ArrayList<>(versions.values()));

        // just carry-on as-is
        if (!recessive.getPlugins().isEmpty()) {
            metadata.setPlugins(new ArrayList<>(recessive.getPlugins()));
        }
    }

    private static int getBuildNumber(Metadata metadata) {
        int number = 0;

        Versioning versioning = metadata.getVersioning();

        Model.Builder builder = Model.newBuilder(model);

        Build build = model.getBuild();
        if (build != null) {
            List<Plugin> plugins = build.getPlugins();
            Map<Object, Plugin> normalized = new LinkedHashMap<>(plugins.size() * 2);

            for (Plugin plugin : plugins) {
                Object key = plugin.getKey();

        if (type == null) {
            return Optional.empty();
        }
        return Optional.of(new DefaultPackaging(id, type, getPlugins(lifecycleMapping)));
    }

    private Map<String, PluginContainer> getPlugins(LifecycleMapping lifecycleMapping) {
        Map<String, PluginContainer> lfs = new HashMap<>();
        lifecycleMapping.getLifecycles().forEach((id, lifecycle) -> {

 */
public class GradlePluginApiVersionAttributeConfigurationAction implements BuildSrcProjectConfigurationAction {

    @Override
    public void execute(ProjectInternal project) {
        project.getPlugins().withType(JavaBasePlugin.class, javaBasePlugin -> addGradlePluginApiVersionAttributeToClasspath(project));
    }

    private void addGradlePluginApiVersionAttributeToClasspath(ProjectInternal project) {

                @Inject
                protected abstract JavaToolchainResolverRegistry getToolchainResolverRegistry();

                void apply(Settings settings) {
                    settings.getPlugins().apply("jvm-toolchain-management");

                    JavaToolchainResolverRegistry registry = getToolchainResolverRegistry();
                    registry.register(FakeResolver.class);
                }

        delegate.toolchainManagement

    override fun sourceControl(configuration: Action<in SourceControl>) =
        delegate.sourceControl(configuration)

    override fun getPlugins(): PluginContainer =
        delegate.plugins

    override fun apply(closure: Closure<Any>) =
        delegate.apply(closure)

    override fun apply(action: Action<in ObjectConfigurationAction>) =

        assertEquals("4.0.0", project4.getModelVersion());

        Build build = project4.getBuild();
        List<Plugin> plugins = build.getPlugins();

        Map<String, Integer> validPluginCounts = new HashMap<>();

        String testPluginArtifactId = "maven-compiler-plugin";

        // this is the plugin we're looking for.

                    }
                });
            }
        });
    }

    @SuppressWarnings("rawtypes")
    protected void withBasePlugin(Action<Plugin> action) {
        project.getPlugins().withType(getBasePlugin(), action);
    }

    protected JavaPluginExtension getJavaPluginExtension() {
        return project.getExtensions().getByType(JavaPluginExtension.class);
    }

    @Inject