return new CopyOnWriteArraySet<>();
  }

  /**
   * Creates a {@code CopyOnWriteArraySet} instance containing the given elements.
   *
   * @param elements the elements that the set should contain, in order
   * @return a new {@code CopyOnWriteArraySet} containing those elements
   * @since 12.0
   */
  @J2ktIncompatible
  @GwtIncompatible // CopyOnWriteArraySet

  }

  @J2ktIncompatible
  @GwtIncompatible // CopyOnWriteArraySet
  public void testNewCOWASEmpty() {
    CopyOnWriteArraySet<Integer> set = Sets.newCopyOnWriteArraySet();
    verifySetContents(set, EMPTY_COLLECTION);
  }

  @J2ktIncompatible
  @GwtIncompatible // CopyOnWriteArraySet
  public void testNewCOWASFromIterable() {
    CopyOnWriteArraySet<Integer> set = Sets.newCopyOnWriteArraySet(SOME_ITERABLE);

  }

  @J2ktIncompatible
  @GwtIncompatible // CopyOnWriteArraySet
  public void testNewCOWASEmpty() {
    CopyOnWriteArraySet<Integer> set = Sets.newCopyOnWriteArraySet();
    verifySetContents(set, EMPTY_COLLECTION);
  }

  @J2ktIncompatible
  @GwtIncompatible // CopyOnWriteArraySet
  public void testNewCOWASFromIterable() {
    CopyOnWriteArraySet<Integer> set = Sets.newCopyOnWriteArraySet(SOME_ITERABLE);

        <constraint name="__context__" within="" contains="" />
      </replaceConfiguration>