return parent.remove(key);
    }

    @Override
    public void putAll(final Map<? extends K, ? extends V> m) {
        parent.putAll(m);
    }

    @Override
    public void clear() {
        parent.clear();
    }

    @Override
    public Set<K> keySet() {
        // return original keys
        return parent.keySet();
    }

    @Override
    public Collection<V> values() {

     */
    protected Properties getProperties() {
        if (isUpdated()) {
            load();
        }
        return properties;
    }

    @Override
    public void clear() {
        getProperties().clear();
    }

    @Override
    public Object clone() {
        final DynamicProperties dynamicProperties = new DynamicProperties(propertiesFile.getAbsolutePath());

     * either it got collected, or {@link #clear} was called, or it wasn't set in the first place).
     */
    @Nullable V get();

    /** Returns the entry which contains this {@link WeakValueReference}. */
    E getEntry();

    /** Unsets the referenced value. Subsequent calls to {@link #get} will return {@code null}. */
    void clear();

    /**

  }

  @Override
  public final boolean retainAll(Collection<?> elementsToKeep) {
    throw new UnsupportedOperationException();
  }

  @Override
  public final void clear() {
    throw new UnsupportedOperationException();
  }

  private transient @Nullable ImmutableList<E> asList;

  public ImmutableList<E> asList() {
    ImmutableList<E> list = asList;

    private int pageSize;

    /** The current page number. */
    private int currentPageNumber;

    /** The ID of the Kuromoji dictionary. */
    public String id;

    /**
     * Clears the pager fields.
     */
    public void clear() {
        allRecordCount = 0;
        allPageCount = 0;
        existPrePage = false;
        existNextPage = false;
        pageSize = getDefaultPageSize();

    }

  val initialWindowSize: Int
    get() {
      val bit = 1 shl INITIAL_WINDOW_SIZE
      return if (bit and set != 0) values[INITIAL_WINDOW_SIZE] else DEFAULT_INITIAL_WINDOW_SIZE
    }

  fun clear() {
    set = 0
    values.fill(0)
  }

  operator fun set(
    id: Int,
    value: Int,
  ): Settings {
    if (id < 0 || id >= values.size) {
      return this // Discard unknown settings.
    }

    /** The current page number. */
    private int currentPageNumber;

    /** The ID of the synonym dictionary. */
    public String id;

    /**
     * Clears the pager's state to its default values.
     */
    public void clear() {
        allRecordCount = 0;
        allPageCount = 0;
        existPrePage = false;
        existNextPage = false;
        pageSize = getDefaultPageSize();

    final Map<E, Integer> backingMap = new HashMap<>();

    @Override
    public int size() {
      return Multisets.linearTimeSizeImpl(this);
    }

    @Override
    public void clear() {
      throw new UnsupportedOperationException();
    }

    @Override
    public int count(@Nullable Object element) {
      for (Entry<E> entry : entrySet()) {

			if err != nil {
				err = msgp.WrapError(err, "Checksums")
				return
			}
			if z.Checksums == nil {
				z.Checksums = make(map[string]string, zb0002)
			} else if len(z.Checksums) > 0 {
				clear(z.Checksums)
			}
			for zb0002 > 0 {
				zb0002--
				var za0001 string
				za0001, err = dc.ReadString()
				if err != nil {
					err = msgp.WrapError(err, "Checksums")
					return
				}

    }

    @Override
    public Iterator<K> iterator() {
      return keySetIterator();
    }

    @Override
    public void clear() {
      CompactHashMap.this.clear();
    }
  }

  Iterator<K> keySetIterator() {
    Map<K, V> delegate = delegateOrNull();
    if (delegate != null) {
      return delegate.keySet().iterator();
    }