* to the build path.
 *
 * @since 4.0.0
 */
@Experimental
@Immutable
public interface Type extends ExtensibleEnum {
    /**
     * Artifact type name for a POM file.
     */
    String POM = "pom";

    /**
     * Artifact type name for a BOM file.
     */
    String BOM = "bom";

    /**
     * Artifact type name for a JAR file that can be placed either on the class-path or on the module-path.

    @Override
    public Collection<Type> provides() {
        return (Collection) types();
    }

    public Collection<DefaultType> types() {
        return Arrays.asList(
                // Maven types
                new DefaultType(Type.POM, Language.NONE, "pom", null, false),
                new DefaultType(Type.BOM, Language.NONE, "pom", null, false),

import org.apache.maven.api.Type;
import org.apache.maven.api.annotations.Experimental;
import org.apache.maven.api.annotations.Nonnull;

/**
 * Access to {@link Type} registry.
 *
 * @since 4.0.0
 */
@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

     * @param classifier the artifact classifier, or {@code null} is unspecified
     * @param extension the artifact extension, or {@code null} is unspecified
     * @param type the artifact type, or {@code null} is unspecified
     * @return coordinate used to point to the artifact
     *

            public String getExtension() {
                return getType().getExtension();
            }

            @Override
            public Type getType() {
                String type = dependency.getType();
                return session.requireType(type);
            }

            @Nonnull
            @Override
            public DependencyScope getScope() {

            if (project.hasLifecyclePhase("test-compile")) {
                return new File(project.getBuild().getTestOutputDirectory());
            }
        } else {
            String type = artifact.getProperty("type", "");
            File outputDirectory = new File(project.getBuild().getOutputDirectory());

            // Check if the project is being built during this session, and if we can expect any output.

        SomeBean bean = new SomeBean();

        Xpp3Dom config = toConfig("<file>${test}</file>");

        BeanConfigurationValuePreprocessor preprocessor = (value, type) -> {
            if (value != null && value.startsWith("${") && value.endsWith("}")) {
                return value.substring(2, value.length() - 1);
            }
            return value;
        };

        if (!artifact.isSnapshot()) {
            versioning.release(artifact.getBaseVersion());
        }
        if ("maven-plugin".equals(artifact.getProperty(ArtifactProperties.TYPE, ""))) {
            versioning.latest(artifact.getBaseVersion());
        }

        metadata.versioning(versioning.build());

        return metadata.build();
    }

    @Override

    }

    @Override
    public <T> T lookup(Class<T> type) {
        return objects.stream()
                .filter(type::isInstance)
                .map(type::cast)
                .findAny()
                .orElseThrow(() -> new LookupException("No service of type " + type));
    }

    @Override
    public <T> T lookup(Class<T> type, String name) {
        return null;
    }

    @Override

 *
 */
@Deprecated
class TestArtifactHandler implements ArtifactHandler {

    private String type;

    private String extension;

    public TestArtifactHandler(String type) {
        this(type, type);
    }

    public TestArtifactHandler(String type, String extension) {
        this.type = type;
        this.extension = extension;
    }

    @Override
    public String getClassifier() {