* This factory maintains a registry of data store implementations and provides methods
 * to register, retrieve, and discover available data stores.
 *
 * <p>Data stores are registered by name and class name, allowing flexible lookup.
 * The factory also supports dynamic discovery of data store plugins by scanning
 * JAR files for data store configurations.</p>
 *

import com.google.common.cache.CacheLoader;
import com.google.common.cache.LoadingCache;

/**
 * Helper class for managing Fess plugins and artifacts.
 * This class provides functionality to discover, install, and manage various types of plugins
 * including data stores, themes, ingest processors, scripts, web applications, thumbnails, and crawlers.
 */
public class PluginHelper {
    /** Logger instance for this class */

 *
 * <p>The implementation uses an executor service for concurrent processing of file operations and maintains
 * a cache of URLs to be deleted for batch processing. It handles redirect following and child URL discovery
 * during the crawling process.</p>
 */
public class FileListIndexUpdateCallbackImpl implements IndexUpdateCallback {

    /** Logger for this class. */

- Enhanced discovery responses to merge API groups and resources from all peer apiservers when the `UnknownVersionInteroperabilityProxy` feature is enabled. ([#133648](https://github.com/kubernetes/kubernetes/pull/133648), [@richabanker](https://github.com/richabanker))...

- Aggregated Discovery v2beta1 fixture is removed in `./api/discovery`. Please use v2 ([#127008](https://github.com/kubernetes/kubernetes/pull/127008), [@Jefftree](https://github.com/Jefftree)) [SIG API Machinery]

- Kube-apiserver: Fixed OIDC discovery document publishing when external service account token signing was enabled. ([#131493](https://github.com/kubernetes/kubernetes/pull/131493), [@hoskeri](https://github.com/hoskeri)) [SIG API Machinery, Auth and Testing]