*/
public abstract class GroovyBasePlugin implements Plugin<Project> {
    public static final String GROOVY_RUNTIME_EXTENSION_NAME = "groovyRuntime";

    private final ObjectFactory objectFactory;
    private final ModuleRegistry moduleRegistry;
    private final JvmLanguageUtilities jvmLanguageUtils;

    @Inject
    public GroovyBasePlugin(
        ObjectFactory objectFactory,

                    }

                });
            }

        });

        project.getPlugins().withType(GroovyBasePlugin.class, new Action<GroovyBasePlugin>() {
            @Override
            public void execute(GroovyBasePlugin groovyBasePlugin) {
                projectModel.getNatures().add(projectModel.getNatures().indexOf("org.eclipse.jdt.core.javanature"), "org.eclipse.jdt.groovy.core.groovyNature");

        "target" | "targetCompatibility" | "targetBytecodeVersion" | "scala"     | ScalaBasePlugin
        "source" | "sourceCompatibility" | "sourceLanguageLevel"   | "groovy"    | GroovyBasePlugin
        "target" | "targetCompatibility" | "targetBytecodeVersion" | "groovy"    | GroovyBasePlugin
    }

    def "default language levels are set for JVM projects if compatibility is set to null"() {
        given:

        configureBuildSrcB.children("Apply plugin org.gradle.java to project ':buildSrc:b'").empty

        groovyPlugin.child("Apply plugin org.gradle.api.plugins.GroovyBasePlugin to project ':buildSrc'")

        applyBuildSrcBuildGradle.child("Execute 'allprojects {}' action").child("Cross-configure project :buildSrc:a").child("Apply plugin org.gradle.java to project ':buildSrc:a'")