* removed in one segment while checking another, in which case the table was never actually
     * empty at any point. (The sum ensures accuracy up through at least 1<<31 per-segment
     * modifications before recheck.)  Method containsValue() uses similar constructions for
     * stability checks.
     */
    long sum = 0L;
    Segment<K, V, E, S>[] segments = this.segments;

//
// We expose this here to allow fine-grained synchronization in multi-threaded
// workloads, which is required since the Python implementation depends on the
// above mutation methods. This allows us to prevent modifications to nodes in
// the graph after the session has been made aware of them.
TF_CAPI_EXPORT extern void TF_ExtendSession(TF_Session* session,
                                            TF_Status* status);

notify_webhook        publish bucket notifications to webhook endpoints
notify_amqp           publish bucket notifications to AMQP endpoints
notify_kafka          publish bucket notifications to Kafka endpoints
notify_mqtt           publish bucket notifications to MQTT endpoints
notify_nats           publish bucket notifications to NATS endpoints
notify_nsq            publish bucket notifications to NSQ endpoints

                log.info("Registered for witness notifications: share={}, id={}", shareName, registration.getRegistrationId());
            }).exceptionally(error -> {
                log.error("Failed to register for witness notifications", error);
                return null;
            });

        } catch (Exception e) {
            log.error("Error registering for witness notifications", e);
        }
    }

    /**

        }
    }

    /**
     * Modifies an entry by adding a new attribute.
     *
     * @param modifyList The list of modification items.
     * @param name The name of the attribute.
     * @param value The value of the attribute.
     */

 * requested entries may be evicted on each cache modification.
 *
 * <p>If {@link #expireAfterWrite expireAfterWrite} or {@link #expireAfterAccess expireAfterAccess}
 * is requested entries may be evicted on each cache modification, on occasional cache accesses, or
 * on calls to {@link Cache#cleanUp}. Expired entries may be counted by {@link Cache#size}, but will

		HTTPStatusCode: http.StatusNotFound,
	},

	// Bucket notification related errors.
	ErrEventNotification: {
		Code:           "InvalidArgument",
		Description:    "A specified event is not supported for notifications.",
		HTTPStatusCode: http.StatusBadRequest,
	},
	ErrARNNotification: {
		Code:           "InvalidArgument",

    assertTrue(cycle.hasNext());
    cycle.remove();
    assertEquals(emptyList(), iterable);
    assertFalse(cycle.hasNext());
  }

  /** An Iterable whose Iterator is rigorous in checking for concurrent modification. */
  private static final class PickyIterable<E> implements Iterable<E> {
    final List<E> elements;
    int modCount = 0;

    PickyIterable(E... elements) {

    assertTrue(cycle.hasNext());
    cycle.remove();
    assertEquals(emptyList(), iterable);
    assertFalse(cycle.hasNext());
  }

  /** An Iterable whose Iterator is rigorous in checking for concurrent modification. */
  private static final class PickyIterable<E> implements Iterable<E> {
    final List<E> elements;
    int modCount = 0;

    PickyIterable(E... elements) {

// memberships cache. If the specified group does not exist in
// storage, it is removed from in-memory maps as well - this
// simplifies the implementation for group removal. This is called
// only via IAM notifications.
func (sys *IAMSys) LoadGroup(ctx context.Context, objAPI ObjectLayer, group string) error {
	if !sys.Initialized() {
		return errServerNotInitialized
	}

	return sys.store.GroupNotificationHandler(ctx, group)