assertEquals(UNIT, unit);
    assertEquals(testRunnable, command);
  }

  public void testFixedRateSchedule() {
    Scheduler schedule = Scheduler.newFixedRateSchedule(INITIAL_DELAY, DELAY, UNIT);
    Cancellable unused =
        schedule.schedule(
            null,
            new ScheduledThreadPoolExecutor(1) {
              @Override
              public ScheduledFuture<?> scheduleAtFixedRate(

   *     "rpc-pool-1"}, {@code "rpc-pool-2"}, etc.
   * @return this for the builder pattern
   */
  @CanIgnoreReturnValue
  public ThreadFactoryBuilder setNameFormat(String nameFormat) {
    String unused = format(nameFormat, 0); // fail fast if the format is bad or null
    this.nameFormat = nameFormat;
    return this;
  }

  /**
   * Sets daemon or not for new threads created with this ThreadFactory.
   *

    // synchronized collections can be safely copied.
    TestArrayList<String> toCopy = new TestArrayList<>();
    ImmutableSortedMultiset<String> unused =
        ImmutableSortedMultiset.copyOf(Ordering.natural(), toCopy);
    assertTrue(toCopy.toArrayCalled);
  }

  @SuppressWarnings("unchecked")
  public void testCopyOfSortedDefensiveCopy() {

    // quite expensive (quadratic in the size of PSEUDORANDOM_DATASET).
    double[] dataset = Doubles.toArray(PSEUDORANDOM_DATASET);
    @SuppressWarnings("unused")
    double actual = percentiles().index(33).computeInPlace(dataset);
    assertThat(dataset).usingExactEquality().containsExactlyElementsIn(PSEUDORANDOM_DATASET);
  }

    // quite expensive (quadratic in the size of PSEUDORANDOM_DATASET).
    double[] dataset = Doubles.toArray(PSEUDORANDOM_DATASET);
    @SuppressWarnings("unused")
    double actual = percentiles().index(33).computeInPlace(dataset);
    assertThat(dataset).usingExactEquality().containsExactlyElementsIn(PSEUDORANDOM_DATASET);
  }

  static {
    // Prevent rare disastrous classloading in first call to LockSupport.park.
    // See: https://bugs.openjdk.org/browse/JDK-8074773
    @SuppressWarnings("unused")
    Class<?> ensureLoaded = LockSupport.class;
  }

  private static final class DoNothingRunnable implements Runnable {
    @Override
    public void run() {}
  }

  public <T> void testWhere_mapFromBoundedWildcard() {
    Type subtype = new TypeCapture<TypedKeyMap<T>>() {}.capture();
    // TODO(benyu): This should check equality to an expected value, see discussion in cl/98674873
    Type unused =
        new TypeResolver()
            .where(
                new TypeCapture<Map<Integer, T>>() {}.capture(),
                new TypeCapture<Map<? extends Number, ? extends Number>>() {}.capture())

        ImmutableRangeMap.Builder<Integer, Integer> builder = ImmutableRangeMap.builder();
        builder.put(range1, 1).put(range2, 2);
        try {
          ImmutableRangeMap<Integer, Integer> unused = builder.build();
          assertFalse(expectRejection);
        } catch (IllegalArgumentException e) {
          assertTrue(expectRejection);
        }
      }
    }
  }

  public void testGet() {

  public void testReuseBuilderReducingHashTableSizeWithPowerOfTwoTotalElements() {
    ImmutableSet.Builder<Object> builder = ImmutableSet.builderWithExpectedSize(6);
    builder.add(0);
    ImmutableSet<Object> unused = builder.build();
    ImmutableSet<Object> subject = builder.add(1).add(2).add(3).build();
    assertFalse(subject.contains(4));
  }

  @VisibleForTesting
  static void testMakingUserPermissionsFromScratch() throws IOException {
    // All we're testing is whether it throws.
    FileAttribute<?> unused = JavaNioCreator.userPermissions().get();
  }

  @IgnoreJRERequirement // used only when Path is available
  private static final class JavaNioCreator extends TempFileCreator {
    @Override