return null;
        }
      };

  // Escapes everything except [a-zA-Z0-9]
  private static final UnicodeEscaper SIMPLE_ESCAPER =
      new UnicodeEscaper() {
        @Override
        protected char @Nullable [] escape(int cp) {
          return ('a' <= cp && cp <= 'z') || ('A' <= cp && cp <= 'Z') || ('0' <= cp && cp <= '9')
              ? null

  private var socksProxy: SocksProxy? = null
  private var cache: Cache? = null

  @BeforeEach
  fun setUp() {
    platform.assumeNotOpenJSSE()
    listener.forbidLock(get(client.connectionPool))
    listener.forbidLock(client.dispatcher)
  }

  @AfterEach
  fun tearDown() {
    if (socksProxy != null) {
      socksProxy!!.shutdown()
    }
    if (cache != null) {
      cache!!.delete()
    }

   */
  public void add(Runnable runnable, Executor executor) {
    // Fail fast on a null. We throw NPE here because the contract of Executor states that it throws
    // NPE on null listener, so we propagate that contract up into the add method as well.
    checkNotNull(runnable, "Runnable was null.");
    checkNotNull(executor, "Executor was null.");

    // Lock while we check state. We must maintain the lock while adding the new pair so that

    }

    @AfterEach
    void tearDown() {
        if (logStreamMockedStatic != null)
            logStreamMockedStatic.close();
        if (uniAddressMockedStatic != null)
            uniAddressMockedStatic.close();
        if (smbTransportMockedStatic != null)
            smbTransportMockedStatic.close();
        if (configMockedStatic != null)
            configMockedStatic.close();
    }

    @Test

    assertTrue(multimap().containsValue(null));
  }

  @MapFeature.Require(ALLOWS_NULL_VALUE_QUERIES)
  public void testContainsNullValueNo() {
    assertFalse(multimap().containsValue(null));
  }

  @MapFeature.Require(absent = ALLOWS_NULL_VALUE_QUERIES)
  public void testContainsNullValueFails() {
    assertThrows(NullPointerException.class, () -> multimap().containsValue(null));
  }

     * @return an {@link Iterable} wrapping a {@link ClassLoaderIterator}
     */
    public static Iterable<ClassLoader> iterable(final ClassLoader classLoader) {
        return () -> new ClassLoaderIterator(classLoader);
    }

    /**
     * Constructs an instance.
     *
     * @param classLoader the class loader (must not be {@literal null})
     */

     * @param locale
     *            The locale. Must not be {@literal null}.
     * @return The normalized string
     */
    public static String normalize(final String s, final Locale locale) {
        assertArgumentNotNull("locale", locale);

        if (s == null) {
            return null;
        }
        final DecimalFormatSymbols symbols = DecimalFormatSymbolsUtil.getDecimalFormatSymbols(locale);

        private @Nullable Entry<K, V> toRemove = null;
        private @Nullable Entry<K, V> nextOrNull = forward().lastEntry();

        @Override
        public boolean hasNext() {
          return nextOrNull != null;
        }

        @Override
        public Entry<K, V> next() {
          if (nextOrNull == null) {
            throw new NoSuchElementException();
          }

        private @Nullable Entry<K, V> toRemove = null;
        private @Nullable Entry<K, V> nextOrNull = forward().lastEntry();

        @Override
        public boolean hasNext() {
          return nextOrNull != null;
        }

        @Override
        public Entry<K, V> next() {
          if (nextOrNull == null) {
            throw new NoSuchElementException();
          }

      }
    }
  }

  /**
   * Implementation of the InvertedMinMaxPriorityQueue which forwards all calls to a
   * MinMaxPriorityQueue, except poll, which is forwarded to pollMax. That way we can benchmark
   * pollMax using the same code that benchmarks poll.
   */
  static final class InvertedMinMaxPriorityQueue<T> extends ForwardingQueue<T> {
    MinMaxPriorityQueue<T> mmHeap;