new FutureCallback<@Nullable Object>() {
          @Override
          public void onSuccess(@Nullable Object result) {}

          @Override
          public void onFailure(Throwable t) {}
        };
    addCallback(f, callback, directExecutor());
  }

  private class CountingSameThreadExecutor implements Executor {
    int runCount = 0;

    @Override
    public void execute(Runnable command) {

    return new ByteSourceFactory() {
      @Override
      public ByteSource createSource(byte[] data) throws IOException {
        return factory.createSource(new String(data, UTF_8)).asByteSource(UTF_8);
      }

      @Override
      public byte[] getExpected(byte[] data) {
        return factory.getExpected(new String(data, UTF_8)).getBytes(UTF_8);
      }

      @Override
      public void tearDown() throws IOException {

      @SuppressWarnings("RedundantOverride")
      @Override
      @J2ktIncompatible // serialization
      Object writeReplace() {
        return super.writeReplace();
      }
    };
  }

  @Override
  public int hashCode() {
    return asMapOfRanges().hashCode();
  }

  @Override
  public boolean equals(@Nullable Object o) {
    if (o instanceof RangeMap) {

  private final class Values extends AbstractCollection<V> {
    @Override
    public Iterator<V> iterator() {
      return valuesIterator();
    }

    @Override
    public boolean contains(@Nullable Object o) {
      return containsValue(o);
    }

    @Override
    public void clear() {
      AbstractTable.this.clear();
    }

    @Override
    public int size() {

            @Override
            public String getClassifier() {
                return classifier;
            }

            @Override
            public String getExtension() {
                return extension;
            }

            @Override
            public String getType() {
                return type;
            }

            @Override
            public String getCoordinatesString() {

        ComponentUtil.setFessConfig(new FessConfig.SimpleImpl() {
            @Override
            public String getLdapBaseDn() {
                return "dc=example,dc=com";
            }

            @Override
            public String getLdapAccountFilter() {
                return "(uid=%s)";
            }

            @Override
            public String getLdapGroupFilter() {

      this.gen = gen;
    }

    @Override
    public SampleElements<E> samples() {
      return gen.samples();
    }

    @Override
    public Multiset<E> create(Object... elements) {
      return (Multiset<E>) SerializableTester.reserialize(gen.create(elements));
    }

    @Override
    public E[] createArray(int length) {
      return gen.createArray(length);

    private static final String KEY_PROPERTY = "url_expr";

    @Override
    protected String getNamePrefix() {
        return NAME_PREFIX;
    }

    @Override
    protected String getApiPath() {
        return API_PATH;
    }

    @Override
    protected String getKeyProperty() {
        return KEY_PROPERTY;
    }

    @Override
    protected String getListEndpointSuffix() {

    private static final String KEY_PROPERTY = "suggest_word";

    @Override
    protected String getNamePrefix() {
        return NAME_PREFIX;
    }

    @Override
    protected String getApiPath() {
        return API_PATH;
    }

    @Override
    protected String getKeyProperty() {
        return KEY_PROPERTY;
    }

    @Override
    protected String getListEndpointSuffix() {

    private static final String KEY_PROPERTY = "term";

    @Override
    protected String getNamePrefix() {
        return NAME_PREFIX;
    }

    @Override
    protected String getApiPath() {
        return API_PATH;
    }

    @Override
    protected String getKeyProperty() {
        return KEY_PROPERTY;
    }

    @Override
    protected String getListEndpointSuffix() {