GradleDocumentationExtension extension = project.getExtensions().getByType(GradleDocumentationExtension.class);
        generateDslReference(project, layout, tasks, objects, extension);
    }

    private void generateDslReference(Project project, ProjectLayout layout, TaskContainer tasks, ObjectFactory objects, GradleDocumentationExtension extension) {
        DslReference dslReference = extension.getDslReference();

            task.from(extension.getReleaseNotes().getRenderedDocumentation());

            // release notes assets go into $root/$assetsName/
            task.from(extension.getReleaseNotes().getReleaseNotesAssets(), sub -> sub.into(extension.getReleaseNotes().getReleaseNotesAssets().map(dir -> dir.getAsFile().getName())));

            // DSL reference goes into dsl/

            this.classifier = classifier;
            return this;
        }

        public ArtifactFactoryRequestBuilder extension(String extension) {
            this.extension = extension;
            return this;
        }

        public ArtifactFactoryRequestBuilder type(String type) {
            this.type = type;
            return this;
        }

            this.classifier = classifier;
            return this;
        }

        public ArtifactFactoryRequestBuilder extension(String extension) {
            this.extension = extension;
            return this;
        }

        public ArtifactFactoryRequestBuilder type(String type) {
            this.type = type;
            return this;
        }

            this.classifier = classifier;
            return this;
        }

        public DependencyCoordinatesFactoryRequestBuilder extension(String extension) {
            this.extension = extension;
            return this;
        }

        public DependencyCoordinatesFactoryRequestBuilder type(String type) {
            this.type = type;
            return this;

        plugin.setVersion(version);
        return plugin;
    }

    private Extension createExtension(String groupId, String artifactId, String version) {
        Extension extension = new Extension();
        extension.setGroupId(groupId);
        extension.setArtifactId(artifactId);
        extension.setVersion(version);
        return extension;
    }

    private final CoreExtensionEntry extension;
    private final UnaryOperator<String> callback;
    private final DefaultInterpolator interpolator = new DefaultInterpolator();

    public ExtensionConfigurationModule(CoreExtensionEntry extension, UnaryOperator<String> callback) {
        this.extension = extension;
        this.callback = callback;
    }

    @Override

        return create(ArtifactFactoryRequest.build(session, groupId, artifactId, version, extension));
    }

    @Nonnull
    default Artifact create(
            @Nonnull Session session,
            String groupId,
            String artifactId,
            String version,
            String classifier,
            String extension,
            String type) {

 *
 */
class TestArtifactHandler implements ArtifactHandler {

    private String type;

    private String extension;

    TestArtifactHandler(String type) {
        this(type, type);
    }

    TestArtifactHandler(String type, String extension) {
        this.type = type;
        this.extension = extension;
    }

    @Override
    public String getClassifier() {
        return null;
    }

    @Override

@Deprecated
class TestArtifactHandler implements ArtifactHandler {

    private String type;

    private String extension;

    TestArtifactHandler(String type) {
        this(type, type);
    }

    TestArtifactHandler(String type, String extension) {
        this.type = type;
        this.extension = extension;
    }

    @Override
    public String getClassifier() {
        return null;
    }

    @Override