return reference;
    }

    /**
     * Returns {@code true} if {@link Equivalence#equivalent(Object, Object)} applied to the wrapped
     * references is {@code true} and both wrappers use the {@link Object#equals(Object) same}
     * equivalence.
     */
    @Override
    public boolean equals(@Nullable Object obj) {
      if (obj == this) {
        return true;
      }
      if (obj instanceof Wrapper) {

    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;
  }

    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;
  }

		c.Assert(response.StatusCode, http.StatusOK)
		// Append all objects.
		delObjReq.Objects = append(delObjReq.Objects, ObjectToDelete{
			ObjectV: ObjectV{
				ObjectName: objName,
			},
		})
	}
	// Marshal delete request.
	deleteReqBytes, err := xml.Marshal(delObjReq)
	c.Assert(err, nil)

	// Delete list of objects.

     * Lists objects in storage with the given prefix.
     *
     * @param prefix the path prefix to list objects under (null or empty for root)
     * @param maxItems maximum number of items to return
     * @return list of storage items
     */
    List<StorageItem> listObjects(String prefix, int maxItems);

    /**
     * Gets tags/metadata for an object.
     *
     * @param objectName the name/path of the object

  public boolean containsKey(@Nullable Object key) {
    return indexOf(key) != -1;
  }

  public int get(@Nullable Object key) {
    int index = indexOf(key);
    return (index == -1) ? 0 : values[index];
  }

  @CanIgnoreReturnValue
  public int remove(@Nullable Object key) {
    return remove(key, smearedHash(key));
  }

  private int remove(@Nullable Object key, int hash) {

    }

    @Override
    public void configureBean(BeanConfigurationRequest request) throws BeanConfigurationException {
        Objects.requireNonNull(request, "request cannot be null");
        Objects.requireNonNull(request.getBean(), "request.bean cannot be null");

        Object configuration = request.getConfiguration();
        if (configuration == null) {
            return;
        }

    Ordering<Number> unusedF = numbers.compound(objects).compound(objects); // bad IDEA
    Ordering<Number> unusedG = objects.compound(numbers).compound(objects);
    Ordering<Number> unusedH = objects.compound(objects).compound(numbers);

    Ordering<Number> unusedI = numbers.compound(objects.compound(objects));
    Ordering<Number> unusedJ = objects.compound(numbers.compound(objects)); // bad IDEA

    Ordering<Number> unusedF = numbers.compound(objects).compound(objects); // bad IDEA
    Ordering<Number> unusedG = objects.compound(numbers).compound(objects);
    Ordering<Number> unusedH = objects.compound(objects).compound(numbers);

    Ordering<Number> unusedI = numbers.compound(objects.compound(objects));
    Ordering<Number> unusedJ = objects.compound(numbers.compound(objects)); // bad IDEA

					}
					prevPrefix = currPrefix
					objects = append(objects, ObjectInfo{
						IsDir:  true,
						Bucket: bucket,
						Name:   currPrefix,
					})
					continue
				}
			}

			fi, err := entry.fileInfo(bucket)
			if err == nil && fi.VersionPurgeStatus().Empty() {
				versioned := vcfg != nil && vcfg.Versioned(entry.name)
				objects = append(objects, fi.ToObjectInfo(bucket, entry.name, versioned))
			}