/**
     * Obtain the {@link Type} from the specified {@code id}.
     * If no type is known for {@code id}, the registry will
     * create a custom {@code Type} for it.
     *
     * @param id the id of the type to retrieve
     * @return the type
     */
    @Nonnull
    @Override
    default Type require(@Nonnull String id) {

    }

    protected Artifact createArtifact(String id, String version) throws InvalidVersionSpecificationException {
        return createArtifact(id, version, Artifact.SCOPE_COMPILE);
    }

    protected Artifact createArtifact(String id, String version, String scope)
            throws InvalidVersionSpecificationException {
        return createArtifact(id, version, scope, null, false);
    }

    }

    private ArtifactSpec createArtifactSpec(String id, String version) throws InvalidVersionSpecificationException {
        return createArtifactSpec(id, version, Artifact.SCOPE_COMPILE);
    }

    private ArtifactSpec createArtifactSpec(String id, String version, boolean optional)
            throws InvalidVersionSpecificationException {
        return createArtifactSpec(id, version, Artifact.SCOPE_COMPILE, null, optional);
    }

     * @return the current offset
     */
    int getCharacterOffset();

    /**
     * Returns the public ID of the XML
     * @return the public ID, or null if not available
     */
    String getPublicId();

    /**
     * Returns the system ID of the XML
     * @return the system ID, or null if not available
     */
    String getSystemId();

    /**
     * Obtain the {@link Type} from the specified {@code id}.
     * <p>
     * Shortcut for {@code getService(TypeRegistry.class).require(...)}.
     *
     * @see org.apache.maven.api.services.TypeRegistry#require(String)
     */
    @Nonnull
    Type requireType(@Nonnull String id);

    /**
     * Obtain the {@link Language} from the specified {@code id}.
     * <p>

        assertEquals("b", pom.getValue("build/plugins[1]/executions[1]/id"));
        assertEquals("a", pom.getValue("build/plugins[1]/executions[2]/id"));
        assertEquals("d", pom.getValue("build/plugins[1]/executions[3]/id"));
        assertEquals("c", pom.getValue("build/plugins[1]/executions[4]/id"));
        assertEquals("e", pom.getValue("build/plugins[1]/executions[5]/id"));
    }

    /* MNG-3887 */
    @Test

     * phase they want to execute and we can easily determine what lifecycle we need to run.
     *
     * @return A map of lifecycles, indexed on id
     */
    public Map<String, Lifecycle> getPhaseToLifecycleMap() {
        // If people are going to make their own lifecycles then we need to tell people how to namespace them correctly

    public static DependencyScope forId(String id) {
        return IDS.get(id);
    }

    private final String id;
    private final boolean transitive;

    DependencyScope(String id, boolean transitive) {
        this.id = id;
        this.transitive = transitive;
    }

    /**

            boolean includesDependencies,
            PathType... pathTypes) {
        this.id = requireNonNull(id, "id");
        this.language = requireNonNull(language, "language");
        this.extension = requireNonNull(extension, "extension");
        this.classifier = classifier;
        this.includesDependencies = includesDependencies;
        this.pathTypes = Collections.unmodifiableSet(new HashSet<>(Arrays.asList(pathTypes)));

    public Lifecycle(String id, List<String> phases, Map<String, LifecyclePhase> defaultPhases) {
        this.id = id;
        this.phases = phases;
        this.defaultPhases = defaultPhases;
    }

    public Lifecycle(
            org.apache.maven.api.services.LifecycleRegistry registry, org.apache.maven.api.Lifecycle lifecycle) {
        this.lifecycle = lifecycle;
        this.id = lifecycle.id();