*
 * @author Kevin Bourrillion
 * @author Nick Kralevich
 */
@GwtCompatible
@SuppressWarnings("serial") // uses writeReplace(), not default serialization
final class SingletonImmutableSet<E> extends ImmutableSet<E> {
  // We deliberately avoid caching the asList and hashCode here, to ensure that with
  // compressed oops, a SingletonImmutableSet packs all the way down to the optimal 16 bytes.

  final transient E element;

/**
 * Describes a version transformation during artifact resolution - "latest" type
 */
@Named("latest")
@Singleton
@Deprecated
public class LatestArtifactTransformation extends AbstractVersionTransformation {

    @Override
    public void transformForResolve(Artifact artifact, RepositoryRequest request)
            throws ArtifactResolutionException, ArtifactNotFoundException {

import org.apache.maven.api.services.MavenException;

/**
 * An exception occurring during the execution of a plugin.
 *
 * @since 4.0.0
 */
@Experimental
public class MojoException extends MavenException {

    protected Object source;

    protected String longMessage;

    /**
     * Constructs a new {@code MojoException} providing the source and a short and long message.

import org.codelibs.fess.opensearch.config.bsentity.dbmeta.BadWordDbm;

/**
 * ${table.comment}
 * @author ESFlute (using FreeGen)
 */
public class BsBadWord extends EsAbstractEntity {

    // ===================================================================================
    //                                                                          Definition

    }

    /**
     * Sub-class of {@link BaseConfiguration} that forces {@code useUnicode()}
     * to return {@code false}. This mimics an ASCII only client
     */
    private static class OffUnicodeConfig extends BaseConfiguration {
        public OffUnicodeConfig() throws Exception {
            super(true);
        }

        @Override
        public boolean isUseUnicode() {
            return false;
        }
    }

import junit.framework.TestCase;
import org.jspecify.annotations.NullUnmarked;

/**
 * Unit test for {@link Interners}.
 *
 * @author Kevin Bourrillion
 */
@NullUnmarked
public class InternersTest extends TestCase {

  public void testStrong_simplistic() {
    String canonical = "a";
    String not = new String("a");

    Interner<String> pool = Interners.newStrongInterner();

@SuppressWarnings("JUnit4ClassUsedInJUnit3")
@IgnoreJRERequirement // We opt into library desugaring for our tests.
public class MapGetOrDefaultTester<K, V> extends AbstractMapTester<K, V> {
  @CollectionSize.Require(absent = ZERO)
  public void testGetOrDefault_present() {
    assertEquals(
        "getOrDefault(present, def) should return the associated value",
        v0(),

import org.jspecify.annotations.NullUnmarked;
import org.jspecify.annotations.Nullable;

/**
 * @author Luiz-Otavio "Z" Zorzella
 */
@GwtCompatible
@NullUnmarked
public class TearDownStackTest extends TestCase {

  private final TearDownStack tearDownStack = new TearDownStack();

  public void testSingleTearDown() throws Exception {
    TearDownStack stack = buildTearDownStack();

import org.eclipse.aether.spi.connector.checksum.ChecksumAlgorithmHelper;

/**
 * Transformed artifact is derived with some transformation from source artifact.
 *
 * @since TBD
 */
class TransformedArtifact extends DefaultArtifact {

    private static final int SHA1_BUFFER_SIZE = 8192;
    private final PomArtifactTransformer pomArtifactTransformer;
    private final MavenProject project;

 * When includes/excludes are modified, the changes are propagated back to the project's SourceRoots.
 */
@SuppressWarnings("deprecation")
class ConnectedResource extends Resource {
    private final SourceRoot originalSourceRoot;
    private final ProjectScope scope;
    private final MavenProject project;