}

  /**
   * Notifies listeners that an entry has been automatically removed due to expiration, eviction, or
   * eligibility for garbage collection. This should be called every time expireEntries or
   * evictEntry is called (once the lock is released).
   */
  void processPendingNotifications() {
    RemovalNotification<K, V> notification;
    while ((notification = removalNotificationQueue.poll()) != null) {

  @CanIgnoreReturnValue
  @ParametricNullness
  V checkValue(@ParametricNullness V value) {
    return value;
  }

  /**
   * Specifies the delegate maps going in each direction. Called by subclasses during
   * deserialization.
   */
  void setDelegates(Map<K, V> forward, Map<V, K> backward) {
    inverse = checkMapsAndMakeInverse(forward, backward);
    delegate = forward;
  }

To permanently delete an object you need to specify the version you want to delete, only the user with appropriate permissions can permanently delete a version.  As shown below DELETE request called with a specific version id permanently deletes an object from a bucket. Delete marker is not added for DELETE requests with version id.

			}
			w.WriteHeader(http.StatusUpgradeRequired)
			return
		}
		m.IncomingConn(ctx, conn)
	}
}

// IncomingConn will handle an incoming connection.
// This should be called with the incoming connection after accept.
// Auth is handled internally, as well as disconnecting any connections from the same host.
func (m *Manager) IncomingConn(ctx context.Context, conn net.Conn) {

    /**
     *
     * {@inheritDoc}
     *
     * @see jcifs.smb.NtlmPasswordAuthenticator#equals(java.lang.Object)
     */
    @Override
    public boolean equals(Object other) {
        // this method is called from SmbSession
        if (other instanceof Kerb5Authenticator) {
            return Objects.equals(this.getSubject(), ((Kerb5Authenticator) other).getSubject());
        }

        return false;
    }

### OpenAPI-specific `examples` { #openapi-specific-examples }

Since before **JSON Schema** supported `examples` OpenAPI had support for a different field also called `examples`.

This **OpenAPI-specific** `examples` goes in another section in the OpenAPI specification. It goes in the **details for each *path operation***, not inside each JSON Schema.

  /**
   * Returns an iterable whose iterators cycle indefinitely over the elements of {@code iterable}.
   *
   * <p>That iterator supports {@code remove()} if {@code iterable.iterator()} does. After {@code
   * remove()} is called, subsequent cycles omit the removed element, which is no longer in {@code
   * iterable}. The iterator's {@code hasNext()} method returns {@code true} until {@code iterable}
   * is empty.
   *

 * a mix of values.
 *
 * Clients call [get] to read a snapshot of an entry. The read will observe the value at the time
 * that [get] was called. Updates and removals after the call do not impact ongoing reads.
 *
 * This class is tolerant of some I/O errors. If files are missing from the filesystem, the

        }
        // eviction後も再コンパイルで正しく動作
        assertEquals(0, engine.evaluate("return 0", params));
        engine.close();
    }

    /**
     * Test that close() can be called without error
     */
    @Test
    public void test_close() {
        final GroovyEngine engine = new GroovyEngine();
        engine.evaluate("return 1", new HashMap<>());
        engine.close();
    }

### [Swagger](https://swagger.io/) / [OpenAPI](https://github.com/OAI/OpenAPI-Specification/) { #swagger-openapi }

The main feature I wanted from Django REST Framework was the automatic API documentation.

Then I found that there was a standard to document APIs, using JSON (or YAML, an extension of JSON) called Swagger.