*/
  interface Entry<E extends @Nullable Object> {

    /**
     * Returns the multiset element corresponding to this entry. Multiple calls to this method
     * always return the same instance.
     *
     * @return the element corresponding to this entry
     */
    @ParametricNullness
    E getElement();

    /**
     * Returns the count of the associated element in the underlying multiset. This count may either

    T value = (T) ArbitraryInstances.get(rawType);
    if (value != null) {
      return value;
    }
    if (rawType.isInterface()) {
      return new SerializableDummyProxy(this).newProxy(type);
    }
    return null;
  }

  private static <T> T createInstance(Invokable<?, ? extends T> factory, List<?> args)

      }
    }
  }

  Comparator<? super T> comparator() {
    return comparator;
  }

  boolean hasLowerBound() {
    return hasLowerBound;
  }

  boolean hasUpperBound() {
    return hasUpperBound;
  }

  boolean isEmpty() {
    // The casts are safe because of the has*Bound() checks.
    return (hasUpperBound() && tooLow(uncheckedCastNullableTToT(getUpperEndpoint())))

      return new Maps.SortedKeySet<>(this);
    }

    @Override
    @CheckForNull
    public Comparator<? super R> comparator() {
      return sortedBackingMap().comparator();
    }

    @Override
    public R firstKey() {
      return sortedBackingMap().firstKey();
    }

    @Override
    public R lastKey() {
      return sortedBackingMap().lastKey();
    }

    @Override

if (disks not recognized) // Always error.

// Specific checks.
if (all disks online)
  if (all disks return format.json)
     if (jbod consistent)
        if (all disks recognized)
          return
  else
     if (all disks return format.json not found)
        return error
     else (some disks return format.json not found)
        (heal format)
        return
     fi

    long bits = doubleToRawLongBits(d);
    bits &= SIGNIFICAND_MASK;
    return (exponent == MIN_EXPONENT - 1) ? bits << 1 : bits | IMPLICIT_BIT;
  }

  static boolean isFinite(double d) {
    return getExponent(d) <= MAX_EXPONENT;
  }

  static boolean isNormal(double d) {
    return getExponent(d) >= MIN_EXPONENT;
  }

  /*
   * Returns x scaled by a power of 2 such that it is in the range [1, 2). Assumes x is positive,

// conversation forward.  It returns a string to be sent to the server or an
// error if the server message is invalid.  Calling Step after a conversation
// completes is also an error.
func (x *XDGSCRAMClient) Step(challenge string) (response string, err error) {
	response, err = x.ClientConversation.Step(challenge)
	return
}

// Done returns true if the conversation is completed or has errored.

 *   while ((response = response.priorResponse()) != null) {
 *     result++;
 *   }
 *   return result;
 * }
 * ```
 *
 * [1]: https://tools.ietf.org/html/rfc2817
 */
fun interface Authenticator {
  /**
   * Returns a request that includes a credential to satisfy an authentication challenge in
   * [response]. Returns null if the challenge cannot be satisfied.
   *

    }
    yStats.addAll(values.yStats());
  }

  /** Returns an immutable snapshot of the current statistics. */
  public PairedStats snapshot() {
    return new PairedStats(xStats.snapshot(), yStats.snapshot(), sumOfProductsOfDeltas);
  }

  /** Returns the number of pairs in the dataset. */
  public long count() {
    return xStats.count();
  }

   * well-formed.
   *
   * <p>This method returns {@code true} if and only if {@code Arrays.equals(bytes, new
   * String(bytes, UTF_8).getBytes(UTF_8))} does, but is more efficient in both time and space.
   */
  public static boolean isWellFormed(byte[] bytes) {
    return isWellFormed(bytes, 0, bytes.length);
  }

  /**