nonNull(request, "request");
        InternalSession session = InternalSession.from(request.getSession());

        ArtifactType type = null;
        if (request.getType() != null) {
            type = session.getSession().getArtifactTypeRegistry().get(request.getType());
        }
        if (request.getCoordinateString() != null) {
            return new DefaultDependencyCoordinate(

    Comparator<Optional<String>> comparator = Comparators.emptiesFirst(comparing(String::length));
    Helpers.testComparator(comparator, empty, z, abc);

    // Just demonstrate that no explicit type parameter is required
    comparator = Comparators.emptiesFirst(naturalOrder());
  }

  public void testEmptiesLast() {
    Optional<String> empty = Optional.empty();
    Optional<String> abc = Optional.of("abc");

import static japicmp.model.JApiCompatibilityChange.METHOD_ADDED_TO_PUBLIC_CLASS;
import static japicmp.model.JApiCompatibilityChange.METHOD_REMOVED;
import static japicmp.model.JApiCompatibilityChange.METHOD_RETURN_TYPE_CHANGED;

public class UpgradedProperties {

    private static final Pattern SETTER_REGEX = Pattern.compile("set[A-Z].*");
    private static final Pattern GETTER_REGEX = Pattern.compile("get[A-Z].*");

     * 適切な {@link Number}に変換します。
     *
     * @param type
     *            変換先の型
     * @param o
     *            変換元のオブジェクト
     * @return {@literal type}に変換された{@link Number}
     */
    public static Object convertNumber(final Class<?> type, final Object o) {
        if (type == Integer.class) {
            return IntegerConversionUtil.toInteger(o);
        } else if (type == BigDecimal.class) {

     */
    private PathType getPathType(Path path) throws IOException {
        PathType type = pathTypes.get(path);
        if (type == null) {
            type = new PathModularization(path, false).getPathType();
            pathTypes.put(path, type);
        }
        return type;
    }

    /**
     * Selects the type of path where to place the given dependency.

        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

import org.apache.maven.api.services.RepositoryFactory;
import org.apache.maven.internal.impl.InternalSession;
import org.apache.maven.internal.impl.resolver.artifact.MavenArtifactProperties;
import org.apache.maven.internal.impl.resolver.type.DefaultType;
import org.eclipse.aether.artifact.Artifact;
import org.eclipse.aether.artifact.ArtifactProperties;
import org.eclipse.aether.artifact.ArtifactType;
import org.eclipse.aether.artifact.ArtifactTypeRegistry;

    }

    /**
     * This method produces "surrogate" type registry that is static: it aims users that want to use
     * Maven-Resolver without involving Maven Core and related things.
     * <p>
     * This type registry is NOT used by Maven Core: Maven replaces it during Session creation with a type registry
     * that supports extending it (i.e. via Maven Extensions).
     * <p>

            return Optional.of(new Packaging() {
                @Override
                public String id() {
                    return id;
                }

                @Override
                public Type type() {
                    return null;
                }

                @Override
                public Map<String, PluginContainer> plugins() {
                    if ("JAR".equals(id)) {