* <p>
     * Shortcut for {@code getService(ArtifactFactory.class).create(...)}.
     *
     * @param coordString the string having "standard" coordinate.
     * @return coordinate used to point to the artifact
     *
     * @see org.apache.maven.api.services.ArtifactCoordinateFactory#create(Session, String)
     */
    @Nonnull

    @Nullable
    <T> T computeIfAbsent(@Nonnull Key<T> key, @Nonnull Supplier<T> supplier);

    /**
     * Create a key using the given class as an identifier and as the type of the object.
     */
    static <T> Key<T> key(Class<T> clazz) {
        return new Key<>(clazz, clazz);
    }

    /**
     * Create a key using the given class and id.
     */
    static <T> Key<T> key(Class<T> clazz, Object id) {

@Experimental
public interface TypeRegistry extends ExtensibleEnumRegistry<Type> {

    /**
     * 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) {

    // it's all encapsulated here so it appears normalized to the POM builder.

    // We are going to take the project packaging and find all plugin in the default lifecycle and create
    // fully populated Plugin objects, including executions with goals and default configuration taken
    // from the plugin.xml inside a plugin.
    //

    @Inject
    SessionScope sessionScope;

    @Inject
    SettingsBuilder settingsBuilder;

    @Inject
    ToolchainsBuilder toolchainsBuilder;

    @BeforeEach
    void setup() {
        // create session with any local repo, is redefined anyway below
        RepositorySystemSession rss = new MavenSessionBuilderSupplier(repositorySystem)
                .get()

        org.apache.maven.api.plugin.Log log = new DefaultLog(
                LoggerFactory.getLogger(mojoExecution.getMojoDescriptor().getFullGoalName()));
        try {
            Injector injector = Injector.create();
            injector.discover(pluginRealm);
            // Add known classes
            // TODO: get those from the existing plexus scopes ?
            injector.bindInstance(Session.class, sessionV4);

        // I would like to be able to look up the Mojo object using a key but
        // we have a limitation in modello that will be remedied shortly. So
        // for now I have to iterate through and see what we have.
        // ----------------------------------------------------------------------

        if (getReportPlugins() != null) {
            for (ReportPlugin plugin : getReportPlugins()) {

    // that represent a verification of a specification item needs to be a couple lines at most.
    // The expressions help a lot, but we need a clean to pick up a directory of POMs, automatically load
    // them into a resolver, create the expression to extract the data to validate the Model, and the URI
    // to validate the properties. We also need a way to navigate from the Tex specification documents to

          <description>
            The type of artifact this project produces, for example {@code jar},
              {@code war},
              {@code ear},
              {@code pom}.
            Plugins can create their own packaging, and
            therefore their own packaging types,
            so this list does not contain all possible types.
          </description>
          <type>String</type>

     * local repository manager needs to be configured to make session be able to create session instance.
     *
     * @return SessionBuilder configured with minimally required things for "Maven-based resolution". At least LRM must
     * be set on builder to make it able to create session instances.
     */
    @Override
    public SessionBuilder get() {