throws Exception
    {
        MavenSession session = createMavenSession( null );
        MavenProject project = session.getCurrentProject();

        Exclusion exclusion = new Exclusion();
        exclusion.setGroupId( "org.apache.maven.its" );
        exclusion.setArtifactId( "a" );

        new ProjectBuilder( project ).addDependency( "org.apache.maven.its", "b", "0.1", Artifact.SCOPE_RUNTIME,

    String getGroupId();

    /**
     * Sets the group id of the plugin.
     *
     * @param groupId The group id of the plugin.
     * @return This request, never {@code null}.
     */
    PluginVersionRequest setGroupId(String groupId);

    /**
     * Gets the artifact id of the plugin.
     *
     * @return The artifact id of the plugin.
     */
    String getArtifactId();

    /**

    private String group
    private String version
    private final Set<String> configurationNames = [] as Set

    BuildFileBuilder(String id) {
        this.id = id
    }

    void setGroup(String group) {
        sections << new GenericSection({
            "group = '$group'"
        }, {
            "group = \"$group\""
        })
    }

    void setVersion(String version) {

    }

    protected void nodeSpecificHealthDiagnostics(StringBuilder builder) {
    }

    public NodeGroup getGroup() {
        return group;
    }

    public void setGroup(NodeGroup group) {
        if (this.group != group) {
            this.group.removeMember(this);
            this.group = group;
            this.group.addMember(this);
        }
    }

    @Nullable

        this.artifact = artifact;
    }

    private static Metadata createRepositoryMetadata(Artifact artifact) {
        Metadata metadata = new Metadata();
        metadata.setGroupId(artifact.getGroupId());
        metadata.setArtifactId(artifact.getArtifactId());

        Versioning versioning = new Versioning();
        versioning.addVersion(artifact.getBaseVersion());

    }

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

    public String getGroup() {
        return group;
    }

    public LaunchableGradleTask setGroup(String group) {
        this.group = group;
        return this;
    }

    public boolean isPublic() {
        return isPublic;
    }

    public LaunchableGradleTask setPublic(boolean isPublic) {

// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT

func getgroups(n int, list *_Gid_t) (nn int, err error) {
	r0, _, e1 := RawSyscall(SYS_GETGROUPS, uintptr(n), uintptr(unsafe.Pointer(list)), 0)
	nn = int(r0)
	if e1 != 0 {
		err = errnoErr(e1)
	}
	return
}

// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT

func setgroups(n int, list *_Gid_t) (err error) {

    Map<String, Object> retrieveContext(MavenSession session) {
        Map<String, Object> context = null;

        if (session != null) {
            PluginDescriptor desc = new PluginDescriptor();
            desc.setGroupId(PluginDescriptor.getDefaultPluginGroupId());
            desc.setArtifactId(PluginDescriptor.getDefaultPluginArtifactId("toolchains"));

            MavenProject current = session.getCurrentProject();

    public String getModelVersion() {
        return getModel().getModelVersion();
    }

    public String getId() {
        return getModel().getId();
    }

    public void setGroupId(String groupId) {
        getModel().setGroupId(groupId);
    }

    public String getGroupId() {
        String groupId = getModel().getGroupId();

        if ((groupId == null) && (getModel().getParent() != null)) {

            task.jvm(options -> options.setMaxHeapSize("3g"));
        });

        TaskProvider<AsciidoctorTask> userguideMultiPage = tasks.register("userguideMultiPage", AsciidoctorTask.class, task -> {
            task.setGroup("documentation");
            task.setDescription("Generates multi-page user manual.");
            task.dependsOn(extension.getUserManual().getStagedDocumentation());

            task.sources(patternSet -> {