/**
 * An unhashable object to be used in testing as values in our collections.
 *
 * @author Regina O'Dell
 */
@GwtCompatible
public class UnhashableObject implements Comparable<UnhashableObject> {
  private final int value;

  public UnhashableObject(int value) {
    this.value = value;
  }

  @Override
  public boolean equals(@Nullable Object object) {
    if (object instanceof UnhashableObject) {

 */
@SuppressWarnings("rawtypes") // maybe avoidable if we rework the whole package?
@GwtCompatible
public enum SetFeature implements Feature<Set> {
  GENERAL_PURPOSE(CollectionFeature.GENERAL_PURPOSE);

  private final Set<Feature<? super Set>> implied;

  SetFeature(Feature<? super Set>... implied) {
    this.implied = copyToSet(implied);
  }

  @Override
  public Set<Feature<? super Set>> getImpliedFeatures() {

    setDefault(SubscriberExceptionContext.class, dummySubscriber.toContext());
    setDefault(Dispatcher.class, Dispatcher.immediate());
  }

  private static class DummySubscriber {

    private final EventBus eventBus = new EventBus();

    @Subscribe
    public void handle(@Nullable Object unused) {}

    Subscriber toSubscriber() throws Exception {
      return Subscriber.create(eventBus, this, subscriberMethod());

    //                                                                           Attribute
    //                                                                           =========
    protected final SqlClause _sqlClause = new EsSqlClause(asTableDbName());
    protected int _safetyMaxResultSize;
    protected SearchRequestParams _searchRequestParams = new SearchRequestParams();
    protected String _preference;

    return new CharArrayAsList(backingArray);
  }

  @GwtCompatible
  private static class CharArrayAsList extends AbstractList<Character>
      implements RandomAccess, Serializable {
    final char[] array;
    final int start;
    final int end;

    CharArrayAsList(char[] array) {
      this(array, 0, array.length);
    }

    CharArrayAsList(char[] array, int start, int end) {
      this.array = array;

    }

    @Override
    protected <RESULT extends BoostDocumentRule> RESULT createEntity(Map<String, Object> source, Class<? extends RESULT> entityType) {
        try {
            final RESULT result = entityType.newInstance();
            result.setBoostExpr(DfTypeUtil.toString(source.get("boostExpr")));
            result.setCreatedBy(DfTypeUtil.toString(source.get("createdBy")));

    }

    @Override
    protected <RESULT extends RelatedContent> RESULT createEntity(Map<String, Object> source, Class<? extends RESULT> entityType) {
        try {
            final RESULT result = entityType.newInstance();
            result.setContent(DfTypeUtil.toString(source.get("content")));
            result.setCreatedBy(DfTypeUtil.toString(source.get("createdBy")));

  //   1. Omitting the most significant bit (because it's always 1). => 0x1EDC6F41
  //   2. Flipping the bits of the constant so we can process a byte at a time. => 0x82F63B78
  private static final int CRC32C_GENERATOR = 0x1EDC6F41; // 0x11EDC6F41
  private static final int CRC32C_GENERATOR_FLIPPED = Integer.reverse(CRC32C_GENERATOR);

  public void testCrc32cByteTable() {
    // See Hacker's Delight 2nd Edition, Figure 14-7.

 * should be split. ie scope, file, etc depend on the context of use, whereas everything else is immutable.
 */
@Deprecated
public class ActiveProjectArtifact implements Artifact {
    private final Artifact artifact;

    private final MavenProject project;

    public ActiveProjectArtifact(MavenProject project, Artifact artifact) {
        this.artifact = artifact;
        this.project = project;

public abstract class BinaryConversionUtil {

    /**
     * {@literal byte}の配列に変換します。
     *
     * @param o
     *            変換元のオブジェクト
     * @return {@literal byte}の配列
     */
    public static byte[] toBinary(final Object o) {
        if (o instanceof byte[]) {
            return (byte[]) o;
        } else if (o == null) {
            return null;
        } else {