}

    @Override
    public ArtifactTypeContainer getArtifactTypes() {
        return artifactTypeContainer.create();
    }

    @Override
    public void artifactTypes(Action<? super ArtifactTypeContainer> configureAction) {
        configureAction.execute(getArtifactTypes());
    }

    @Override
    public AttributeContainer getDefaultArtifactAttributes() {

     * @since 3.4
     */
    AttributesSchema getAttributesSchema();

    /**
     * Returns the artifact type definitions for this handler.
     * @since 4.0
     */
    ArtifactTypeContainer getArtifactTypes();

    /**
     * Configures the artifact type definitions for this handler.
     * @since 4.0
     */
    void artifactTypes(Action<? super ArtifactTypeContainer> configureAction);

    /**