Set<Object> observed = Sets.newIdentityHashSet(); // for the sake of weakly referenced locks.
    // this gets the stripes with #getAt(index)
    for (int i = 0; i < striped.size(); i++) {
      Object object = striped.getAt(i);
      assertThat(object).isNotNull();
      assertThat(striped.getAt(i)).isSameInstanceAs(object); // idempotent
      observed.add(object);
    }

    Set<Object> observed = Sets.newIdentityHashSet(); // for the sake of weakly referenced locks.
    // this gets the stripes with #getAt(index)
    for (int i = 0; i < striped.size(); i++) {
      Object object = striped.getAt(i);
      assertThat(object).isNotNull();
      assertThat(striped.getAt(i)).isSameInstanceAs(object); // idempotent
      observed.add(object);
    }

        });

    }

    /**
     * Begins statistics tracking for the specified crawler object.
     * Creates a new statistics object in the cache and starts timing.
     *
     * @param keyObj the crawler object to track (UrlQueue, StatsKeyObject, String, or Number)
     */
    public void begin(final Object keyObj) {
        getCacheKey(keyObj).ifPresent(key -> {
            try {

    private ParamMap<Object, Object> createSnakeMap() {
        final Map<Object, Object> map = new HashMap<>();
        map.put("aaa", "111");
        map.put("aaa_bbb", "222");
        map.put("aaa_bbb_ccc", "333");
        map.put("ccc.ddd", "444");
        return new ParamMap<>(map);
    }

    private ParamMap<Object, Object> createCamelMap() {
        final Map<Object, Object> map = new HashMap<>();

            return;
        }

        // Update documents in bulk
        final Map<String, Object> requestBody = new HashMap<>();
        final List<Map<String, Object>> documents = new ArrayList<>();

        for (Map<String, Object> existingDoc : existingDocs) {
            final Map<String, Object> doc = new HashMap<>();
            doc.put("doc_id", existingDoc.get("doc_id"));

        // Test with boolean parameter
        Map<String, Object> booleanParams = new HashMap<>();
        booleanParams.put("boolean", true);
        assertNotNull(queryRescorer.evaluate(booleanParams));

        // Test with unknown parameter
        Map<String, Object> unknownParams = new HashMap<>();
        unknownParams.put("unknown", new Object());
        assertNull(queryRescorer.evaluate(unknownParams));
    }

  }

  @Override
  public boolean equals(@Nullable Object object) {
    if (object == this) {
      return true;
    }
    if (object instanceof ImmutableSet
        && isHashCodeFast()
        && ((ImmutableSet<?>) object).isHashCodeFast()
        && hashCode() != object.hashCode()) {
      return false;
    }
    return Sets.equalsImpl(this, object);
  }

  @Override
  public int hashCode() {

 * test with reference to the same "lock-like object", and then their interactions with that object
 * are choreographed via the various methods on this class.
 *
 * <p>A "lock-like object" is really any object that may be used for concurrency control. If the
 * {@link #callAndAssertBlocks} method is ever called in a test, the lock-like object must have a

This will only work with a versioned bucket, take a look at [Bucket Versioning Guide](https://docs.min.io/community/minio-object-store/administration/object-management/object-versioning.html) for more understanding.

### 3.1 Automatic removal of non current objects versions

	er := s.getHashedSet(object)
	return er.DeleteObjectTags(ctx, bucket, object, opts)
}

// GetObjectTags - get object tags from an existing object
func (s *erasureSets) GetObjectTags(ctx context.Context, bucket, object string, opts ObjectOptions) (*tags.Tags, error) {
	er := s.getHashedSet(object)
	return er.GetObjectTags(ctx, bucket, object, opts)
}

// TransitionObject - transition object content to target tier.