AtomicReference<Object> valueRef = new AtomicReference<>();
    Cache<Object, Object> cache =
        new AbstractCache<Object, Object>() {
          @Override
          public @Nullable Object getIfPresent(Object key) {
            return valueRef.get();
          }
        };

    assertNull(cache.getIfPresent(new Object()));

    Object newValue = new Object();
    valueRef.set(newValue);

    Ticker testTicker = Ticker.systemTicker();
    CacheBuilder<Object, Object> builder = CacheBuilder.newBuilder().ticker(testTicker);
    assertThrows(IllegalStateException.class, () -> builder.ticker(testTicker));
  }

  public void testRemovalListener_setTwice() {
    RemovalListener<Object, Object> testListener = nullRemovalListener();
    CacheBuilder<Object, Object> builder = CacheBuilder.newBuilder().removalListener(testListener);

    Ticker testTicker = Ticker.systemTicker();
    CacheBuilder<Object, Object> builder = CacheBuilder.newBuilder().ticker(testTicker);
    assertThrows(IllegalStateException.class, () -> builder.ticker(testTicker));
  }

  public void testRemovalListener_setTwice() {
    RemovalListener<Object, Object> testListener = nullRemovalListener();
    CacheBuilder<Object, Object> builder = CacheBuilder.newBuilder().removalListener(testListener);

      MapMakerInternalMap<Object, Object, ?, ?> map = makeMap(maker);
      Segment<Object, Object, ?, ?> segment = map.segments[0];

      Object keyOne = new Object();
      Object valueOne = new Object();
      int hashOne = map.hash(keyOne);
      InternalEntry<Object, Object, ?> entryOne = segment.newEntryForTesting(keyOne, hashOne, null);
      WeakValueReference<Object, Object, ?> valueRefOne =

      MapMakerInternalMap<Object, Object, ?, ?> map = makeMap(maker);
      Segment<Object, Object, ?, ?> segment = map.segments[0];

      Object keyOne = new Object();
      Object valueOne = new Object();
      int hashOne = map.hash(keyOne);
      InternalEntry<Object, Object, ?> entryOne = segment.newEntryForTesting(keyOne, hashOne, null);
      WeakValueReference<Object, Object, ?> valueRefOne =

	public final fun addHeader (Ljava/lang/String;Ljava/lang/Object;)Lokhttp3/mockwebserver/MockResponse;
	public final fun addHeaderLenient (Ljava/lang/String;Ljava/lang/Object;)Lokhttp3/mockwebserver/MockResponse;
	public final fun clearHeaders ()Lokhttp3/mockwebserver/MockResponse;
	public synthetic fun clone ()Ljava/lang/Object;
	public fun clone ()Lokhttp3/mockwebserver/MockResponse;

- ListObjectsV2 API calls must be used to list zip file content.
- Range requests for GetObject/HeadObject for individual files from zip is not supported.
- Names inside ZIP files are kept unmodified, but some may lead to invalid paths. See [Object key naming guidelines](https://docs.aws.amazon.com/AmazonS3/latest/userguide/object-keys.html) on safe names.

		t.Fatal(err)
	}

	bucket := "bucket"
	object := "object"
	opts := ObjectOptions{}
	// Create object "obj" under bucket "bucket".
	_, err = obj.PutObject(ctx, bucket, object, mustGetPutObjReader(t, bytes.NewReader([]byte("abcd")), int64(len("abcd")), "", ""), opts)
	if err != nil {
		t.Fatal(err)
	}
	// Upload a good object
	_, err = obj.DeleteObject(ctx, bucket, object, ObjectOptions{})
	if err != nil {
		t.Fatal(err)

   * be declared as a {@code List}.
   *
   * @return the re-serialized object
   * @throws RuntimeException if the specified object was not successfully serialized or
   *     deserialized
   */
  @CanIgnoreReturnValue
  public static <T> T reserialize(T object) {
    return Platform.reserialize(object);
  }

  /**

    //                                                                              ======
    @Override
    public Map<String, Object> toSource() {
        Map<String, Object> sourceMap = new HashMap<>();
        if (accessType != null) {
            addFieldToSource(sourceMap, "accessType", accessType);
        }
        if (clientIp != null) {