import java.util.concurrent.ConcurrentHashMap;
import java.util.concurrent.ConcurrentMap;
import org.jspecify.annotations.Nullable;

/**
 * A builder of {@link ConcurrentMap} instances that can have keys or values automatically wrapped
 * in {@linkplain WeakReference weak} references.
 *
 * <p>Usage example:
 *
 * {@snippet :
 * ConcurrentMap<Request, Stopwatch> timers = new MapMaker()
 *     .concurrencyLevel(4)
 *     .weakKeys()

    }

    /**
     * Initializes the protocol helper by loading configured protocols from FessConfig
     * and scanning for available protocol handlers in the classpath.
     * This method is called automatically after bean construction.
     */
    @PostConstruct
    public void init() {
        final FessConfig fessConfig = ComponentUtil.getFessConfig();
        webProtocols = split(fessConfig.getCrawlerWebProtocols(), ",")

/**
 * An {@link Escaper} that converts literal text into a format safe for inclusion in a particular
 * context (such as an XML document). Typically (but not always), the inverse process of
 * "unescaping" the text is performed automatically by the relevant parser.
 *
 * <p>For example, an XML escaper would convert the literal string {@code "Foo<Bar>"} into {@code
 * "Foo&lt;Bar&gt;"} to prevent {@code "<Bar>"} from being confused with an XML tag. When the

/**
 * An {@link Escaper} that converts literal text into a format safe for inclusion in a particular
 * context (such as an XML document). Typically (but not always), the inverse process of
 * "unescaping" the text is performed automatically by the relevant parser.
 *
 * <p>For example, an XML escaper would convert the literal string {@code "Foo<Bar>"} into {@code
 * "Foo&lt;Bar&gt;"} to prevent {@code "<Bar>"} from being confused with an XML tag. When the

 * and reloads the properties if the file is updated. This class is thread-safe and
 * ensures that the properties are always up-to-date.
 *
 * <p>Key Features:
 * <ul>
 *   <li>Automatically reloads properties if the file is modified.</li>
 *   <li>Supports custom check intervals for file modification checks.</li>
 *   <li>Provides synchronized methods for loading and storing properties.</li>

     */
    public SearchEngineApiManager() {
        super();
        setPathPrefix(ADMIN_SERVER);
    }

    /**
     * Registers this API manager with the web API manager factory.
     * Called automatically after construction via @PostConstruct.
     */
    @PostConstruct
    public void register() {
        if (logger.isInfoEnabled()) {
            logger.info("Load {}", this.getClass().getSimpleName());
        }

        interruptTask();
      }
      return true;
    }

    /**
     * Subclasses can override this method to implement interruption of the future's computation.
     * The method is invoked automatically by a successful call to {@link #cancel(boolean)
     * cancel(true)}.
     *
     * <p>The default implementation does nothing.
     *
     * @since 10.0
     */
    protected void interruptTask() {}

     */
    public SpnegoAuthenticator() {
        // do nothing
    }

    /**
     * Initializes the SPNEGO authenticator and registers it with the SSO manager.
     * This method is called automatically after dependency injection is complete.
     */
    @PostConstruct
    public void init() {
        if (logger.isDebugEnabled()) {
            logger.debug("Initialize {}", this.getClass().getSimpleName());

=== ":material-language-kotlin: Kotlin"
    ```kotlin
      private val client = OkHttpClient()

      fun run() {

* Changes secret, configMap, downwardAPI and projected volumes to mount read-only, instead of allowing applications to write data and then reverting it automatically. Until version 1.11, setting the feature gate ReadOnlyAPIDataVolumes=false will preserve the old behavior. ([#58720](https://github.com/kubernetes/kubernetes/pull/58720), [@joelsmith](https://github.com/joelsmith))