// This returns a strange ? extends Sub2<Y> type, which isn't ideal.
    TypeToken<?> unused = new TypeToken<BaseWithTypeVar<List<?>>>() {}.getSubtype(Outer.Sub2.class);
  }

  public void testGetSubtype_subtypeSameAsDeclaringType() throws Exception {
    class Bar<T> {}
    class SubBar<T> extends Bar<T> {
      @SuppressWarnings("unused")
      Bar<T> delegate;

      TypeToken<SubBar<T>> fieldTypeAsSubBar() {

  }

  public void testTransform_preventsFurtherOperations() {
    ClosingFuture<String> closingFuture = ClosingFuture.from(immediateFuture("value1"));
    ClosingFuture<String> unused =
        closingFuture.transform(
            new ClosingFunction<String, String>() {
              @Override
              public String apply(DeferredCloser closer, String v) throws Exception {

        "U1.00", "U1.00", "R0.00", "R0.00", "R0.00", "R0.00", // first request and burst
        "R0.20");
  }

  public void testCreateWarmupParameterValidation() {
    RateLimiter unused;
    unused = RateLimiter.create(1.0, 1, NANOSECONDS);
    unused = RateLimiter.create(1.0, 0, NANOSECONDS);

    assertThrows(IllegalArgumentException.class, () -> RateLimiter.create(0.0, 1, NANOSECONDS));

                return closer.eventuallyClose(mockCloseable, executor);
              }
            },
            executor);
    FluentFuture<Closeable> unused = closingFuture.finishToFuture();
    assertThrows(
        IllegalStateException.class,
        () ->
            closingFuture.finishToValueAndCloser(

    this.supportsClone = supportsClone(prototype);
  }

  @Override
  public int bits() {
    return bits;
  }

  private static boolean supportsClone(Mac mac) {
    try {
      Object unused = mac.clone();
      return true;
    } catch (CloneNotSupportedException e) {
      return false;
    }
  }

  private static Mac getMac(String algorithmName, Key key) {
    try {

   */
  abstract long queryEarliestAvailable(long nowMicros);

  /**
   * Reserves the requested number of permits and returns the time that those permits can be used
   * (with one caveat).
   *
   * @return the time that the permits may be used, or, if the permits may be used immediately, an
   *     arbitrary past or present time
   */
  abstract long reserveEarliestAvailable(int permits, long nowMicros);

  @Override

    }
  }

  private static class BrokenAbstractSequentialIterator extends AbstractSequentialIterator<Object> {

    public BrokenAbstractSequentialIterator() {
      super("UNUSED");
    }

    @Override
    protected Object computeNext(Object previous) {
      throw new MyException();
    }
  }

  private static class MyException extends RuntimeException {}

    for (int i = 0; i < reps; i++) {
      String unused = interner.intern(Double.toHexString(Math.random()));
    }
    return reps;
  }

  @Benchmark
  int strongInterner(int reps) {
    Interner<String> interner = Interners.newStrongInterner();
    for (int i = 0; i < reps; i++) {
      String unused = interner.intern(Double.toHexString(Math.random()));
    }
    return reps;
  }

    TestExecutor testExecutor = new TestExecutor(mock);

    @SuppressWarnings("unused") // https://errorprone.info/bugpattern/FutureReturnValueIgnored
    Future<?> possiblyIgnoredError = testExecutor.schedule(DO_NOTHING, 10, TimeUnit.MINUTES);
    mock.assertLastMethodCalled("scheduleRunnable", 10, TimeUnit.MINUTES);

    @SuppressWarnings("unused") // https://errorprone.info/bugpattern/FutureReturnValueIgnored

        for (E e : contents) {
          E unused = interner.intern(e);
        }
        return interner;
      }
    },
    StrongInternerImpl {
      @Override
      public <E> Interner<E> create(Collection<E> contents) {
        Interner<E> interner = Interners.newStrongInterner();
        for (E e : contents) {
          E unused = interner.intern(e);
        }
        return interner;