protected void process(ByteBuffer bb) {
      long k1 = bb.getLong();
      long k2 = bb.getLong();
      bmix64(k1, k2);
      length += CHUNK_SIZE;
    }

    private void bmix64(long k1, long k2) {
      h1 ^= mixK1(k1);

      h1 = Long.rotateLeft(h1, 27);
      h1 += h2;
      h1 = h1 * 5 + 0x52dce729;

      h2 ^= mixK2(k2);

      h2 = Long.rotateLeft(h2, 31);
      h2 += h1;

    assertThat(LONG_MANY_VALUES_STATS_ITERATOR.sum())
        .isWithin(ALLOWED_ERROR * LONG_MANY_VALUES_MEAN)
        .of(LONG_MANY_VALUES_MEAN * LONG_MANY_VALUES_COUNT);
    assertThat(LONG_MANY_VALUES_STATS_SNAPSHOT.sum())
        .isWithin(ALLOWED_ERROR * LONG_MANY_VALUES_MEAN)
        .of(LONG_MANY_VALUES_MEAN * LONG_MANY_VALUES_COUNT);
  }

  public void testPopulationVariance() {

      }
    };

    static boolean test(long base, long n) {
      // Since base will be considered % n, it's okay if base > FLOOR_SQRT_MAX_LONG,
      // so long as n <= FLOOR_SQRT_MAX_LONG.
      return ((n <= FLOOR_SQRT_MAX_LONG) ? SMALL : LARGE).testWitness(base, n);
    }

    /** Returns a * b mod m. */
    abstract long mulMod(long a, long b, long m);

    /** Returns a^2 mod m. */

    @Override
    protected List<Long> create(Long[] elements) {
      Long[] prefix = {Long.MIN_VALUE, Long.MAX_VALUE};
      Long[] suffix = {86L, 99L};
      Long[] all = concat(concat(prefix, elements), suffix);
      return makeArray(all).subArray(2, elements.length + 2).asList();
    }
  }

  @J2ktIncompatible
  @GwtIncompatible // used only from suite
  private static Long[] concat(Long[] a, Long[] b) {

   * happens first. Returns the total number of bytes skipped.
   */
  static long skipUpTo(InputStream in, long n) throws IOException {
    long totalSkipped = 0;
    // A buffer is allocated if skipSafely does not skip any bytes.
    byte[] buf = null;

    while (totalSkipped < n) {
      long remaining = n - totalSkipped;
      long skipped = skipSafely(in, remaining);

      if (skipped == 0) {

  /* Helper function to make a Long value from an Integer. */
  private static final Function<Integer, Long> TO_LONG =
      new Function<Integer, Long>() {
        @Override
        public Long apply(Integer n) {
          return Long.valueOf(n);
        }
      };

  /* Helper function to make a BigInteger value from a Long. */
  private static final Function<Long, BigInteger> TO_BIGINTEGER =

  /** Invokes {@code unit.}{@link TimeUnit#sleep(long) sleep(sleepFor)} uninterruptibly. */
  @J2ktIncompatible
  @GwtIncompatible // concurrency
  @SuppressWarnings("GoodTime") // should accept a java.time.Duration
  public static void sleepUninterruptibly(long sleepFor, TimeUnit unit) {
    boolean interrupted = false;
    try {
      long remainingNanos = unit.toNanos(sleepFor);
      long end = System.nanoTime() + remainingNanos;

            _src.align(4);
            int _pathp = _src.dec_ndr_long();
            int _commentp = _src.dec_ndr_long();
            this.state = _src.dec_ndr_long();
            this.num_stores = _src.dec_ndr_long();
            int _storesp = _src.dec_ndr_long();

            if ( _pathp != 0 ) {
                _src = _src.deferred;

    assertThat(LONG_MANY_VALUES_STATS_ITERATOR.sum())
        .isWithin(ALLOWED_ERROR * LONG_MANY_VALUES_MEAN)
        .of(LONG_MANY_VALUES_MEAN * LONG_MANY_VALUES_COUNT);
    assertThat(LONG_MANY_VALUES_STATS_SNAPSHOT.sum())
        .isWithin(ALLOWED_ERROR * LONG_MANY_VALUES_MEAN)
        .of(LONG_MANY_VALUES_MEAN * LONG_MANY_VALUES_COUNT);
  }

  public void testPopulationVariance() {

            log.warn("Session was not properly released");
        }
    }


    /**
     * @return the number of known usages
     */
    protected long getUsageCount () {
        return this.usageCount.get();
    }


    protected abstract long makeKey ( Request request ) throws IOException;


    protected abstract Long peekKey () throws IOException;