* the order of entries.
   *
   * @param keyFunction the function used to produce the key for each value
   * @throws NullPointerException if any element of this iterable is {@code null}, or if {@code
   *     keyFunction} produces {@code null} for any key
   * @since 14.0
   */
  @SuppressWarnings("nullness") // Unsafe, but we can't do much about it now.

   * the order of entries.
   *
   * @param keyFunction the function used to produce the key for each value
   * @throws NullPointerException if any element of this iterable is {@code null}, or if {@code
   *     keyFunction} produces {@code null} for any key
   * @since 14.0
   */
  @SuppressWarnings("nullness") // Unsafe, but we can't do much about it now.

  private EmptyImmutableListMultimap() {
    super(ImmutableMap.<Object, ImmutableList<Object>>of(), 0);
  }

  /*
   * TODO(b/242884182): Figure out why this helps produce the same class file when we compile most
   * of common.collect a second time with the results of the first compilation on the classpath. Or
   * just back this out once we stop doing that (which we'll do after our internal GWT setup

  private EmptyImmutableSetMultimap() {
    super(ImmutableMap.<Object, ImmutableSet<Object>>of(), 0, null);
  }

  /*
   * TODO(b/242884182): Figure out why this helps produce the same class file when we compile most
   * of common.collect a second time with the results of the first compilation on the classpath. Or
   * just back this out once we stop doing that (which we'll do after our internal GWT setup

  @GwtIncompatible
    Object writeReplace() {
    return super.writeReplace();
  }

  @GwtIncompatible
  @J2ktIncompatible
  /*
   * The mainline copy of ImmutableMapValues doesn't produce this serialized form anymore, though
   * the backport does. For now, we're keeping the class declaration in *both* flavors so that both
   * flavors can read old data or data from the other flavor. However, we strongly discourage

    return multiset;
  }

  /**
   * Returns a new {@code EnumMultiset} instance containing the given elements. Unlike {@link
   * EnumMultiset#create(Iterable)}, this method does not produce an exception on an empty iterable.
   *
   * @since 14.0
   */
  public static <E extends Enum<E>> EnumMultiset<E> create(Iterable<E> elements, Class<E> type) {
    EnumMultiset<E> result = create(type);

   * should use this method over {@link #setCountCheckReturnValue(Object, int)} when they expect
   * {@code setCount()} to throw an exception, as checking the return value could produce an
   * incorrect error message like "setCount() should return the original count" instead of the
   * message passed to a later invocation of {@code fail()}, like "setCount should throw
   * UnsupportedOperationException."
   */

        String slackResult = notificationHelper.toSlackMessage(discloser);
        String googleChatResult = notificationHelper.toGoogleChatMessage(discloser);

        // Both methods should produce identical output
        assertEquals(slackResult, googleChatResult);
    }

    public void test_toSlackMessage_withLongContent() {
        MockSMailPostingDiscloser discloser = new MockSMailPostingDiscloser();

   * should use this method over {@link #setCountCheckReturnValue(Object, int)} when they expect
   * {@code setCount()} to throw an exception, as checking the return value could produce an
   * incorrect error message like "setCount() should return the original count" instead of the
   * message passed to a later invocation of {@code fail()}, like "setCount should throw
   * UnsupportedOperationException."
   */

          // can't know without submitting something to the executor) so queue to run iteratively.
          // Task must be null, since each execution on this executor can only produce one more
          // execution.
          checkState(submittingTaskQueue.nextTask == null);
          submittingTaskQueue.nextTask = task;