* </ul>
   *
   * <p>Subclasses can override this method to provide custom equality.
   */
  @Override
  public boolean equals(@Nullable Object obj) {
    return super.equals(obj);
  }

  /**
   * By default delegates to {@link Object#hashCode}. The dynamic proxies' {@code hashCode()} will
   * delegate to this method. Subclasses can override this method to provide custom equality.
   */
  @Override

    @Override
    public BoostDocumentRuleDbm asDBMeta() {
        return BoostDocumentRuleDbm.getInstance();
    }

    @Override
    public String asTableDbName() {
        return "boost_document_rule";
    }

    @Override
    public boolean hasSpecifiedColumn() {
        return _specification != null;
    }

    @Override
    public ConditionQuery localCQ() {

    @Override
    public FileAuthenticationDbm asDBMeta() {
        return FileAuthenticationDbm.getInstance();
    }

    @Override
    public String asTableDbName() {
        return "file_authentication";
    }

    @Override
    public boolean hasSpecifiedColumn() {
        return _specification != null;
    }

    @Override
    public ConditionQuery localCQ() {

    @Override
    public KeyMatchDbm asDBMeta() {
        return KeyMatchDbm.getInstance();
    }

    @Override
    public String asTableDbName() {
        return "key_match";
    }

    @Override
    public boolean hasSpecifiedColumn() {
        return _specification != null;
    }

    @Override
    public ConditionQuery localCQ() {

    @Override
    public LabelTypeDbm asDBMeta() {
        return LabelTypeDbm.getInstance();
    }

    @Override
    public String asTableDbName() {
        return "label_type";
    }

    @Override
    public boolean hasSpecifiedColumn() {
        return _specification != null;
    }

    @Override
    public ConditionQuery localCQ() {

    @Override
    public RequestHeaderDbm asDBMeta() {
        return RequestHeaderDbm.getInstance();
    }

    @Override
    public String asTableDbName() {
        return "request_header";
    }

    @Override
    public boolean hasSpecifiedColumn() {
        return _specification != null;
    }

    @Override
    public ConditionQuery localCQ() {

        this.listener = listener;
        this.artifacts = new IdentityHashMap<>();
        this.transfers = new IdentityHashMap<>();
    }

    @Override
    public void debug(String message) {}

    @Override
    public void transferCompleted(TransferEvent transferEvent) {
        ArtifactTransferEvent event = wrap(transferEvent);

        Long transferred;
        synchronized (transfers) {

            @Override
            public void transferProgressed(TransferEvent event) throws TransferCancelledException {
                throw new TransferCancelledException();
            }

            @Override
            public void transferCorrupted(TransferEvent event) throws TransferCancelledException {
                throw new TransferCancelledException();
            }

            @Override

    @SuppressWarnings("EqualsHashCode")
    @Override
    public boolean equals(@Nullable Object other) {
      return (other instanceof ClassWhichIsAlwaysEqualButHasDifferentHashcodes);
    }
  }

  private static class ObjectWhichIsEqualButChangesClass implements Serializable {
    private static final long serialVersionUID = 1L;

    @Override
    public boolean equals(@Nullable Object other) {

  @Override
  @SuppressWarnings("unchecked") // TODO(kevinb): the right way to explain this??
  public int compare(Comparable<?> left, Comparable<?> right) {
    checkNotNull(left); // for GWT
    checkNotNull(right);
    return ((Comparable<Object>) left).compareTo(right);
  }

  @Override
  @SuppressWarnings("unchecked") // TODO(kevinb): the right way to explain this??