checkArgument(!delegate.isEmpty());
  }

  @Override
  UnmodifiableIterator<K> keyIterator() {
    return Iterators.unmodifiableIterator(delegate.keySet().iterator());
  }

  @Override
  Spliterator<K> keySpliterator() {
    return delegate.keySet().spliterator();
  }

  @Override
  public int size() {
    return delegate.size();
  }

  @Override
  public boolean containsKey(@Nullable Object key) {

      return obverse.removeInverse(obverseValue);
    }

    @Override
    public BiMap<K, V> inverse() {
      return obverse;
    }

    @Override
    public void clear() {
      obverse.clear();
    }

    @Override
    public Set<V> keySet() {
      return obverse.values();
    }

    @Override
    public Set<K> values() {
      return obverse.keySet();
    }

 * directly.
 */
class ConscryptSocketAdapter : SocketAdapter {
  override fun matchesSocket(sslSocket: SSLSocket): Boolean = Conscrypt.isConscrypt(sslSocket)

  override fun isSupported(): Boolean = isSupported

  override fun getSelectedProtocol(sslSocket: SSLSocket): String? =
    when {
      matchesSocket(sslSocket) -> Conscrypt.getApplicationProtocol(sslSocket)

  @Override
  @SuppressWarnings("unchecked")
  public final Entry<String, String>[] createArray(int length) {
    return (Entry<String, String>[]) new Entry<?, ?>[length];
  }

  @Override
  public final String[] createKeyArray(int length) {
    return new String[length];
  }

  @Override
  public final String[] createValueArray(int length) {

  @Override
  @SuppressWarnings("unchecked")
  public final Entry<String, String>[] createArray(int length) {
    return (Entry<String, String>[]) new Entry<?, ?>[length];
  }

  @Override
  public final String[] createKeyArray(int length) {
    return new String[length];
  }

  @Override
  public final String[] createValueArray(int length) {

public class PingResponseTest extends UnitFessTestCase {

    private FessConfig originalConfig;

    @Override
    protected void setUp(TestInfo testInfo) throws Exception {
        super.setUp(testInfo);
        originalConfig = ComponentUtil.getFessConfig();
    }

    @Override
    protected void tearDown(TestInfo testInfo) throws Exception {
        if (originalConfig != null) {

    private static final String KEY_PROPERTY = "name";

    @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() {

  }

  @Override
  public HashCode hashString(CharSequence input, Charset charset) {
    return newHasher().putString(input, charset).hash();
  }

  @Override
  public HashCode hashInt(int input) {
    return newHasher(4).putInt(input).hash();
  }

  @Override
  public HashCode hashLong(long input) {
    return newHasher(8).putLong(input).hash();
  }

  @Override

          @Override
          public boolean cancel(boolean interrupt) {
            return false;
          }

          @Override
          public boolean isDone() {
            return true;
          }

          @Override
          public boolean isCancelled() {
            return false; // BAD!!
          }

          @Override
          public String get() {

    }

    @Override
    public void execute(Runnable runnable) {
      throw new UnsupportedOperationException();
    }

    @Override
    public void shutdown() {
      throw new UnsupportedOperationException();
    }

    @Override
    public List<Runnable> shutdownNow() {
      throw new UnsupportedOperationException();
    }

    @Override
    public boolean isShutdown() {