@Override
  Set<V> createUnmodifiableEmptyCollection() {
    return emptySet();
  }

  @Override
  <E extends @Nullable Object> Collection<E> unmodifiableCollectionSubclass(
      Collection<E> collection) {
    return unmodifiableSet((Set<E>) collection);
  }

  @Override
  Collection<V> wrapCollection(@ParametricNullness K key, Collection<V> collection) {
    return new WrappedSet(key, (Set<V>) collection);
  }

  private static native <E extends Enum<E>> @Nullable Class<E> getDeclaringClassOrNullForJ2cl(
      E e) /*-{
    return ******@****.***::getDeclaringClass()();
  }-*/;

  static int reduceIterationsIfGwt(int iterations) {
    return iterations / 10;
  }

  static int reduceExponentIfGwt(int exponent) {
    return exponent / 2;
  }

  private Platform() {}

            return parentFile.getAbsolutePath();
        }

        // Other methods return null or default values
        @Override
        public Object getAttribute(String name) {
            return null;
        }

        @Override
        public java.util.Enumeration<String> getAttributeNames() {
            return null;
        }

        @Override
        public String getContextPath() {

	}

	if j > 1 {
		// Create parent.
		if err := osMkdirAll(dirPath[:j-1], perm, baseDir); err != nil {
			return err
		}
	}

	// Parent now exists; invoke Mkdir and use its result.
	if err := Mkdir(dirPath, perm); err != nil {
		if osIsExist(err) {
			return nil
		}
		return err
	}

	return nil
}

// The buffer must be at least a block long.
// refer https://github.com/golang/go/issues/24015

        this.attributes = attributes;
    }

    /**
     * Returns the group's Security Identifier.
     * @return the group SID
     */
    public SID getId() {
        return this.id;
    }

    /**
     * Returns the group membership attributes.
     * @return the attributes value
     */
    public int getAttributes() {
        return this.attributes;
    }

            return closeables.applyAsyncClosingFunction(function, input);
          }

          @Override
          public String toString() {
            return function.toString();
          }
        };
    return derive(future.transformAsync(applyFunction, executor));
  }

  /**

        runtime.registerData("helpLink", systemHelper.getHelpLink(fessConfig.getOnlineHelpNameJoblog()));
    }

    /**
     * Returns the action role for this admin action.
     *
     * @return the role name
     */
    @Override
    protected String getActionRole() {
        return ROLE;
    }

    // ===================================================================================

   */
  @Override
  public int hashCode() {
    return asMap().hashCode();
  }

  /**
   * Returns a string representation of the multimap, generated by calling {@code toString} on the
   * map returned by {@link Multimap#asMap}.
   *
   * @return a string representation of the multimap
   */
  @Override
  public String toString() {
    return asMap().toString();
  }

        case 0x03:
            return "This folder, subfolders and files";
        case 0x0B:
            return "Subfolders and files only";
        case 0x02:
            return "This folder and subfolders";
        case 0x0A:
            return "Subfolders only";
        case 0x01:
            return "This folder and files";
        case 0x09:
            return "Files only";
        }

    override fun poll(
      timeout: Long,
      unit: TimeUnit,
    ): T? {
      return taskRunner.withLock {
        val waitUntil = nanoTime + unit.toNanos(timeout)
        while (true) {
          val result = poll()
          if (result != null) return@withLock result
          if (nanoTime >= waitUntil) return@withLock null
          val editCountBefore = editCount