component.getMainFeature().withApi();

        // Make compileOnlyApi visible to tests.
        JvmTestSuite defaultTestSuite = JavaPluginHelper.getDefaultTestSuite(project);
        project.getConfigurations()
            .getByName(defaultTestSuite.getSources().getCompileOnlyConfigurationName())
            .extendsFrom(component.getMainFeature().getCompileOnlyApiConfiguration());
    }

        configurePublishing(project.getPlugins(), project.getExtensions(), javaComponent.getMainFeature().getSourceSet());

        // Set the 'java' component as the project's default.
        Configuration defaultConfiguration = project.getConfigurations().getByName(Dependency.DEFAULT_CONFIGURATION);
        defaultConfiguration.extendsFrom(javaComponent.getMainFeature().getRuntimeElementsConfiguration());

        distributionContainer.named(DistributionPlugin.MAIN_DISTRIBUTION_NAME).configure(dist -> {
            JvmFeatureInternal mainFeature = JavaPluginHelper.getJavaComponent(project).getMainFeature();
            CopySpec childSpec = project.copySpec();
            childSpec.from(mainFeature.getJarTask());
            childSpec.from(project.file("src/dist"));

            CopySpec libSpec = project.copySpec();

        project.getPluginManager().apply(JavaPlugin.class);
        project.getPluginManager().apply(DistributionPlugin.class);

        JvmFeatureInternal mainFeature = JavaPluginHelper.getJavaComponent(project).getMainFeature();

        JavaApplication extension = addExtension(project);
        addRunTask(project, mainFeature, extension);
        addCreateScriptsTask(project, mainFeature, extension);

        });
    }

    private GradlePluginDevelopmentExtension createExtension(Project project) {
        SourceSet defaultPluginSourceSet = JavaPluginHelper.getJavaComponent(project).getMainFeature().getSourceSet();
        SourceSet defaultTestSourceSet = JavaPluginHelper.getDefaultTestSuite(project).getSources();