@Override
    public void apply(Project project) {
        GradleDocumentationExtension documentationExtension = project.getExtensions().getByType(GradleDocumentationExtension.class);
        applyPlugin(project);
        updateDocumentationExtension(project, documentationExtension);
        configurePlugin(project, documentationExtension);
    }

    private static void applyPlugin(Project project) {

                    String field = "value";
                    void method();
                }
            """
            : """
                public class $TEST_INTERFACE_SIMPLE_NAME {
                    public String field = "value";
                    public void method() { }
                    public $TEST_INTERFACE_SIMPLE_NAME() { }
                }
            """

    public ReleaseNotes getReleaseNotes() {
        return releaseNotes;
    }

    public void releaseNotes(Action<? super ReleaseNotes> action) {
        action.execute(releaseNotes);
    }

    public UserManual getUserManual() {
        return userManual;
    }

    public void userManual(Action<? super UserManual> action) {
        action.execute(userManual);
    }

    }

    public void setBaseCss(File baseCss) {
        this.baseCss = baseCss;
    }

    public void setReleaseNotesCss(File releaseNotesCss) {
        this.releaseNotesCss = releaseNotesCss;
    }

    public void setReleaseNotesJavascript(File releaseNotesJavascript) {
        this.releaseNotesJavascript = releaseNotesJavascript;
    }

            .withPluginClasspath()
            .withArguments(args)
            .forwardOutput()
    }

    private void assertNoDeadLinks() {
        assert linkErrors.exists()
        assert linkErrors.text.stripTrailing().endsWith('All clear!')
    }

    private void assertFoundDeadLinks(Collection<DeadLink> deadLinks) {
        assert linkErrors.exists()

        def lines = linkErrors.readLines()

import static java.util.Collections.singletonMap;

public class GradleUserManualPlugin implements Plugin<Project> {

    public static final String DOCS_GRADLE_ORG = "https://docs.gradle.org/";

    @Override
    public void apply(Project project) {
        ProjectLayout layout = project.getLayout();
        TaskContainer tasks = project.getTasks();

            return userData[key]
        }

        void putUserData(String key, Object value) {
            userData[key] = value
        }
    }

    ClassPool instanceScopedPool = new ClassPool()

    JApiClass apiClass = Stub(JApiClass)

    def setup() {
        instanceScopedPool.appendSystemPath()
    }

    void noViolation(def rule) {
        assert rule.maybeViolation(apiClass) == null

    }

    @Override
    public void visit(PackageDeclaration packageDeclaration, ClassMetaDataRepository<ClassMetaData> repository) {
        this.packageName = packageDeclaration.getNameAsString();
        super.visit(packageDeclaration, repository);
    }

    @Override
    public void visit(ClassOrInterfaceDeclaration classDeclaration, ClassMetaDataRepository<ClassMetaData> repository) {

    @TaskAction
    public void checkDeadLinks() {
        Map<File, List<Error>> errors = new TreeMap<>();

        getDocumentationRoot().getAsFileTree().matching(pattern -> pattern.include("**/*.adoc")).forEach(file -> {
            gatherDeadLinksInFile(file, errors);
        });
        reportErrors(errors, getReportFile().get().getAsFile());
    }

    ]

    static void main(String[] commits) {
        println("Commits to check: ${Arrays.toString(commits)}")
        try {
            commits.each { checkCommit(it) }
        } finally {
            THREAD_POOL.shutdown()
        }
    }

    static void checkCommit(String commit) {
        List<String> parentCommits = parentCommitsOf(commit)