CollectionSize.ANY,
                CollectionFeature.KNOWN_ORDER,
                CollectionFeature.GENERAL_PURPOSE,
                CollectionFeature.ALLOWS_NULL_VALUES)
            .named("SafeTreeSet with null-friendly comparator")
            .createTestSuite());
    return suite;
  }

  @GwtIncompatible // SerializableTester
  public void testViewSerialization() {

                CollectionSize.ANY,
                CollectionFeature.KNOWN_ORDER,
                CollectionFeature.GENERAL_PURPOSE,
                CollectionFeature.ALLOWS_NULL_VALUES)
            .named("SafeTreeSet with null-friendly comparator")
            .createTestSuite());
    return suite;
  }

  @GwtIncompatible // SerializableTester
  public void testViewSerialization() {

                MapFeature.GENERAL_PURPOSE,
                CollectionFeature.SUPPORTS_ITERATOR_REMOVE,
                CollectionFeature.SERIALIZABLE)
            .named("SafeTreeMap with null-friendly comparator")
            .createTestSuite());
    return suite;
  }

  @GwtIncompatible // SerializableTester
  public void testViewSerialization() {

    List<E> all = new ArrayList<E>(size);
    Collections.addAll(all, e1, e2, e3, e4, e5, e6);
    Collections.addAll(all, others);
    return copyOf(all.iterator());
  }

  /** ImmutableSet.of API that is friendly to use from JavaScript. */
  @JsMethod(name = "of")
  static <E> ImmutableSet<E> jsOf(E... elements) {
    return copyOf(elements);
  }

  @JsMethod
  public static <E> ImmutableSet<E> copyOf(E[] elements) {

    // (b) Waiting for the single guard to become satisfied.
    // (c) Occupying the monitor and awaiting the tearDownLatch.
    //
    // Except for (c), every thread should occupy the monitor very briefly, and every thread leaves
    // the monitor with the guard satisfied. Therefore as soon as tearDownLatch is triggered, we
    // should be able to enter the monitor, and then we set the guard to satisfied for the benefit

                MapFeature.GENERAL_PURPOSE,
                CollectionFeature.SUPPORTS_ITERATOR_REMOVE,
                CollectionFeature.SERIALIZABLE)
            .named("SafeTreeMap with null-friendly comparator")
            .createTestSuite());
    return suite;
  }

  @GwtIncompatible // SerializableTester
  public void testViewSerialization() {

    // (b) Waiting for the single guard to become satisfied.
    // (c) Occupying the monitor and awaiting the tearDownLatch.
    //
    // Except for (c), every thread should occupy the monitor very briefly, and every thread leaves
    // the monitor with the guard satisfied. Therefore as soon as tearDownLatch is triggered, we
    // should be able to enter the monitor, and then we set the guard to satisfied for the benefit

  }

  private static void arrayCopy(Object[] dest, int pos, Object... source) {
    System.arraycopy(source, 0, dest, pos, source.length);
  }

  /** ImmutableList.of API that is friendly to use from JavaScript. */
  @JsMethod(name = "of")
  static <E> ImmutableList<E> jsOf(E... elements) {
    return copyOf(elements);
  }

        fail("<" + expected.getMessage() + "> expected to contain <" + expectedMessage + ">");
      }
      return;
    }
    fail();
  }

  /** An object with a friendly {@link #toString()}. */
  private static final class TestObject {
    final int group;
    final int item;

    TestObject(int group, int item) {
      this.group = group;
      this.item = item;
    }

        fail("<" + expected.getMessage() + "> expected to contain <" + expectedMessage + ">");
      }
      return;
    }
    fail();
  }

  /** An object with a friendly {@link #toString()}. */
  private static final class TestObject {
    final int group;
    final int item;

    TestObject(int group, int item) {
      this.group = group;
      this.item = item;
    }