max(0, saturatedSubtract(totalLoadTime, other.totalLoadTime)),
        max(0, saturatedSubtract(evictionCount, other.evictionCount)));
  }

  /**
   * Returns a new {@code CacheStats} representing the sum of this {@code CacheStats} and {@code
   * other}.
   *
   * <p><b>Note:</b> the values of the metrics are undefined in case of overflow (though it is

        max(0, saturatedSubtract(totalLoadTime, other.totalLoadTime)),
        max(0, saturatedSubtract(evictionCount, other.evictionCount)));
  }

  /**
   * Returns a new {@code CacheStats} representing the sum of this {@code CacheStats} and {@code
   * other}.
   *
   * <p><b>Note:</b> the values of the metrics are undefined in case of overflow (though it is

   * acquire(1); acquire(1); acquire(1); }, or { acquire(2); acquire(1); }, etc, since the integral
   * of the function in [7.0, 10.0] is equivalent to the sum of the integrals of [7.0, 8.0], [8.0,
   * 9.0], [9.0, 10.0] (and so on), no matter what the function is. This guarantees that we handle
   * correctly requests of varying weight (permits), /no matter/ what the actual function is - so we

			if target.client.isAtleastV7() {
				hh, _ := highwayhash.New(magicHighwayHash256Key) // New will never return error since key is 256 bit
				hh.Write([]byte(key))
				hashBytes := hh.Sum(nil)
				keyHash = base64.URLEncoding.EncodeToString(hashBytes)
			} else {
				keyHash = key
			}
		}

		if eventData.EventName == event.ObjectRemovedDelete {

     */
    public ChannelStatistics getStatistics() {
        return new ChannelStatistics(sessionChannels.size(),
                sessionChannels.values().stream().mapToInt(ChannelGroup::getChannelCount).sum(), totalRequests.get(),
                totalChannelsCreated.get());
    }

    /**
     * Channel statistics.
     */
    public static class ChannelStatistics {
        private final int activeSessions;

	if roleID == "" {
		// We use a hash of the plugin URL so that the ARN remains
		// constant across restarts.
		h := sha1.New()
		h.Write([]byte(pluginURL))
		bs := h.Sum(nil)
		resourceID += base64.RawURLEncoding.EncodeToString(bs)
	} else {
		// Check that the roleID is restricted to URL safe characters
		// (base64 URL encoding chars).
		if !validRoleIDRegex.MatchString(roleID) {

		h := xxhash.New()
		for _, s := range setArgs {
			for _, d := range s {
				h.WriteString(d)
			}
		}

		layout.pools = append(layout.pools, poolDisksLayout{
			cmdline: fmt.Sprintf("hash:%x", h.Sum(nil)),
			layout:  setArgs,
		})
	}
	return layout, err
}

// mergeDisksLayoutFromArgs supports with and without ellipses transparently.

 * <Long>}:
 *
 * <ul>
 *   <li>Improved memory compactness and locality.
 *   <li>Can be queried without allocating garbage.
 *   <li>Access to {@code LongStream} features (like {@link LongStream#sum}) using {@code stream()}
 *       instead of the awkward {@code stream().mapToLong(v -> v)}.
 * </ul>
 *
 * <p>Disadvantages compared to {@code ImmutableList<Long>}:
 *
 * <ul>

 * <Integer>}:
 *
 * <ul>
 *   <li>Improved memory compactness and locality.
 *   <li>Can be queried without allocating garbage.
 *   <li>Access to {@code IntStream} features (like {@link IntStream#sum}) using {@code stream()}
 *       instead of the awkward {@code stream().mapToInt(v -> v)}.
 * </ul>
 *
 * <p>Disadvantages compared to {@code ImmutableList<Integer>}:
 *
 * <ul>

			if err != nil {
				t.Fatal(err)
			}

			actualH := sha256.New()
			_, err = io.Copy(actualH, bytes.NewReader(data))
			if err != nil {
				return
			}
			actualSha256 := actualH.Sum(nil)

			z := obj.(*erasureServerPools)
			er := z.serverPools[0].getHashedSet(object)

			disks := er.getDisks()
			distribution := hashOrder(pathJoin(bucket, object), nDisks)