import static java.util.Objects.requireNonNull;

/**
 */
@Named
@Singleton
public class LegacyArtifactHandlerManager extends AbstractEventSpy {
    private final Map<String, ArtifactHandler> artifactHandlers;

    private final Map<String, ArtifactHandler> allHandlers = new ConcurrentHashMap<>();

    @Inject
    public LegacyArtifactHandlerManager(Map<String, ArtifactHandler> artifactHandlers) {

    private final ConcurrentHashMap<String, Type> usedTypes;

    private final LegacyArtifactHandlerManager manager;

    @Inject
    public DefaultTypeRegistry(
            List<TypeProvider> providers, LanguageRegistry languageRegistry, LegacyArtifactHandlerManager manager) {
        this.types = nonNull(providers, "providers").stream()
                .flatMap(p -> p.provides().stream())