*
   * @throws UnsupportedOperationException always
   * @deprecated <b>Pass keys of type {@code Comparable} to use {@link
   *     ImmutableSortedMap#of(Comparable, Object, Comparable, Object, Comparable, Object,
   *     Comparable, Object, Comparable, Object)}.</b>
   */
  @DoNotCall("Pass keys of type Comparable")
  @Deprecated
  public static <K, V> ImmutableSortedMap<K, V> of(

  @Override
  public boolean containsKey(@Nullable Object key) {
    return delegate.containsKey(key);
  }

  @Override
  public @Nullable V get(@Nullable Object key) {
    return delegate.get(key);
  }

  @Override
  public boolean equals(@Nullable Object object) {
    if (object == this) {
      return true;
    }
    if (object instanceof ImmutableEnumMap) {
      object = ((ImmutableEnumMap<?, ?>) object).delegate;
    }

      standardClear();
    }

    @Override
    public boolean contains(Object object) {
      return standardContains(object);
    }

    @Override
    public boolean containsAll(Collection<?> collection) {
      return standardContainsAll(collection);
    }

    @Override
    public boolean remove(Object object) {
      return standardRemove(object);
    }

    @Override

 * @since 10.0
 */
public class DeadEvent {

  private final Object source;
  private final Object event;

  /**
   * Creates a new DeadEvent.
   *
   * @param source object broadcasting the DeadEvent (generally the {@link EventBus}).
   * @param event the event that could not be delivered.
   */
  public DeadEvent(Object source, Object event) {
    this.source = checkNotNull(source);

  }

  static boolean equalsImpl(Multimap<?, ?> multimap, @Nullable Object object) {
    if (object == multimap) {
      return true;
    }
    if (object instanceof Multimap) {
      Multimap<?, ?> that = (Multimap<?, ?>) object;
      return multimap.asMap().equals(that.asMap());
    }
    return false;
  }

  }

  static boolean equalsImpl(Multimap<?, ?> multimap, @Nullable Object object) {
    if (object == multimap) {
      return true;
    }
    if (object instanceof Multimap) {
      Multimap<?, ?> that = (Multimap<?, ?>) object;
      return multimap.asMap().equals(that.asMap());
    }
    return false;
  }

     */
    @Override
    public Object remove(final Object key) {
        return parent.remove(key);
    }

    /**
     * Copies all of the mappings from the specified map to this map.
     *
     * @param m the mappings to be stored in this map
     */
    @Override
    public void putAll(final Map<? extends String, ? extends Object> m) {
        parent.putAll(m);
    }

    /**

  }

  private CharStreams() {}

  /**
   * Copies all characters between the {@link Readable} and {@link Appendable} objects. Does not
   * close or flush either object.
   *
   * @param from the object to read from
   * @param to the object to write to
   * @return the number of characters copied
   * @throws IOException if an I/O error occurs
   */
  @CanIgnoreReturnValue

    return ordering.compare(function.apply(left), function.apply(right));
  }

  @Override
  public boolean equals(@Nullable Object object) {
    if (object == this) {
      return true;
    }
    if (object instanceof ByFunctionOrdering) {
      ByFunctionOrdering<?, ?> that = (ByFunctionOrdering<?, ?>) object;
      return this.function.equals(that.function) && this.ordering.equals(that.ordering);
    }
    return false;
  }

}

// unsealObjectKey decrypts and returns the sealed object key
// from the metadata using the SSE-C client key.
func unsealObjectKey(clientKey []byte, metadata map[string]string, bucket, object string) (key ObjectKey, err error) {
	sealedKey, err := SSEC.ParseMetadata(metadata)
	if err != nil {
		return key, err
	}
	err = key.Unseal(clientKey, sealedKey, SSEC.String(), bucket, object)
	return key, err
}