// may change and break assumptions in this test [*]. This is not a bug in the implementation of
    // Ascii.equalsIgnoreCase(), but it is a signal that its documentation may need updating as
    // regards edge cases.

    // The Unicode point {@code 00df} is the lowercase form of sharp-S (ß), whose uppercase is "SS".
    assertEquals("PASSWORD", "pa\u00dfword".toUpperCase()); // [*]

    // may change and break assumptions in this test [*]. This is not a bug in the implementation of
    // Ascii.equalsIgnoreCase(), but it is a signal that its documentation may need updating as
    // regards edge cases.

    // The Unicode point {@code 00df} is the lowercase form of sharp-S (ß), whose uppercase is "SS".
    assertEquals("PASSWORD", "pa\u00dfword".toUpperCase()); // [*]

    shouldCompleteFunction.countDown();
    try {
      futureResult.get();
      fail();
    } catch (CancellationException expected) {
    }
    // TODO(cpovirk): implement interruption, updating this test:
    // https://github.com/google/guava/issues/1989
    assertEquals(1, gotException.getCount());
    // gotException.await();
  }

     * and which need to be cleaned up internally.
     */
    @CheckForNull final ReferenceQueue<V> valueReferenceQueue;

    /**
     * The recency queue is used to record which entries were accessed for updating the access
     * list's ordering. It is drained as a batch operation when either the DRAIN_THRESHOLD is
     * crossed or a write occurs on the segment.
     */
    final Queue<ReferenceEntry<K, V>> recencyQueue;

   * calling {@code get(columnKey, rowKey)} on the generated table always returns the same value as
   * calling {@code get(rowKey, columnKey)} on the original table. Updating the original table
   * changes the contents of the transposed table and vice versa.
   *
   * <p>The returned table supports update operations as long as the input table supports the

    shouldCompleteFunction.countDown();
    try {
      futureResult.get();
      fail();
    } catch (CancellationException expected) {
    }
    // TODO(cpovirk): implement interruption, updating this test:
    // https://github.com/google/guava/issues/1989
    assertEquals(1, gotException.getCount());
    // gotException.await();
  }

    final Service service;
    // We store the state in a weak reference to ensure that if something went wrong while
    // constructing the ServiceManager we don't pointlessly keep updating the state.
    final WeakReference<ServiceManagerState> state;

    ServiceListener(Service service, WeakReference<ServiceManagerState> state) {
      this.service = service;
      this.state = state;
    }

     * and which need to be cleaned up internally.
     */
    @CheckForNull final ReferenceQueue<V> valueReferenceQueue;

    /**
     * The recency queue is used to record which entries were accessed for updating the access
     * list's ordering. It is drained as a batch operation when either the DRAIN_THRESHOLD is
     * crossed or a write occurs on the segment.
     */
    final Queue<ReferenceEntry<K, V>> recencyQueue;