};

  private static final Long LONG_VAL = 12345L;
  private static final String STR_VAL = "12345";

  private static final ImmutableList<String> STRINGS = ImmutableList.of("123", "456");
  private static final ImmutableList<Long> LONGS = ImmutableList.of(123L, 456L);

  public void testConverter() {
    assertEquals(LONG_VAL, STR_TO_LONG.convert(STR_VAL));
    assertEquals(STR_VAL, STR_TO_LONG.reverse().convert(LONG_VAL));

  }

  @Override
  public boolean containsValue(Object value) {
    for (Timestamped<V> val : cachingHashMap.values()) {
      if (val.getValue().equals(value)) {
        if (!isExpired(val)) {
          return true;
        }
      }
    }
    return false;
  }

  private boolean isExpired(Timestamped<V> stamped) {

    long v = length >= 9 ? load64(bytes, offset + length - 8) : K0;
    result = hash128to64(result + v, u);
    return result == 0 || result == 1 ? result + ~1 : result;
  }

  private static long shiftMix(long val) {
    return val ^ (val >>> 47);
  }

  /** Implementation of Hash128to64 from util/hash/hash128to64.h */
  @VisibleForTesting
  static long hash128to64(long high, long low) {
    long a = (low ^ high) * K3;
    a ^= (a >>> 47);

    volatile long value;
    volatile long q0, q1, q2, q3, q4, q5, q6;

    Cell(long x) {
      value = x;
    }

    final boolean cas(long cmp, long val) {
      return UNSAFE.compareAndSwapLong(this, valueOffset, cmp, val);
    }

    // Unsafe mechanics
    private static final sun.misc.Unsafe UNSAFE;
    private static final long valueOffset;

    static {
      try {

  /**
   * Returns the result of dividing this by {@code val}.
   *
   * @since 14.0
   */
  public UnsignedLong dividedBy(UnsignedLong val) {
    return fromLongBits(UnsignedLongs.divide(value, checkNotNull(val).value));
  }

  /**
   * Returns this modulo {@code val}.
   *
   * @since 14.0
   */
  public UnsignedLong mod(UnsignedLong val) {

      };

  private static final Long LONG_VAL = 12345L;
  private static final String STR_VAL = "12345";

  private static final ImmutableList<String> STRINGS = ImmutableList.of("123", "456");
  private static final ImmutableList<Long> LONGS = ImmutableList.of(123L, 456L);

  public void testConverter() {
    assertEquals(LONG_VAL, STR_TO_LONG.convert(STR_VAL));
    assertEquals(STR_VAL, STR_TO_LONG.reverse().convert(LONG_VAL));

      return asInt();
    }
    // If we have less than 4 bytes, use them all.
    byte[] bytes = getBytesInternal();
    int val = (bytes[0] & 0xFF);
    for (int i = 1; i < bytes.length; i++) {
      val |= ((bytes[i] & 0xFF) << (i * 8));
    }
    return val;
  }

  /**
   * Returns a string containing each byte of {@link #asBytes}, in order, as a two-digit unsigned

    volatile long value;
    volatile long q0, q1, q2, q3, q4, q5, q6;

    Cell(long x) {
      value = x;
    }

    final boolean cas(long cmp, long val) {
      return UNSAFE.compareAndSwapLong(this, valueOffset, cmp, val);
    }

    // Unsafe mechanics
    private static final sun.misc.Unsafe UNSAFE;
    private static final long valueOffset;

    static {
      try {

    } else if (length <= 64) {
      return hashLength33To64(bytes, offset, length);
    } else {
      return hashLength65Plus(bytes, offset, length);
    }
  }

  private static long shiftMix(long val) {
    return val ^ (val >>> 47);
  }

  private static long hashLength16(long u, long v, long mul) {
    long a = (u ^ v) * mul;
    a ^= (a >>> 47);
    long b = (v ^ a) * mul;
    b ^= (b >>> 47);
    b *= mul;

    // TODO(lowasser): make this GWT-compatible
    return fromIntBits(value * checkNotNull(val).value);
  }

  /**
   * Returns the result of dividing this by {@code val}.
   *
   * @throws ArithmeticException if {@code val} is zero
   * @since 14.0
   */
  public UnsignedInteger dividedBy(UnsignedInteger val) {
    return fromIntBits(UnsignedInts.divide(value, checkNotNull(val).value));
  }