*/
        public JvmClassesObj() {
            // Default constructor
        }

        /** Currently loaded classes */
        public long loaded;
        /** Total classes loaded since JVM start */
        public long total_loaded;
        /** Total classes unloaded */
        public long unloaded;
    }

    /**
     * Data transfer object representing process statistics.
     */

 *
 * Use [INSTANCE] for a task runner that uses daemon threads. There is not currently a shared
 * instance for non-daemon threads.
 *
 * The task runner is also responsible for releasing held threads when the library is unloaded.
 * This is for the benefit of container environments that implement code unloading.
 *
 * Most applications should share a process-wide [TaskRunner] and use queues for per-client work.
 */
class TaskRunner(

   *
   * This means that dynamically loaded web applications and OSGi bundles can't be unloaded.
   *
   * If the library is loaded in an application class loader, we try to break the cycle by loading
   * Finalizer in its own independent class loader:
   *
   * System class loader -> Application class loader -> ReferenceMap -> FinalizableReferenceQueue ->
   * etc. -> Decoupled class loader -> Finalizer
   *

   *
   * This means that dynamically loaded web applications and OSGi bundles can't be unloaded.
   *
   * If the library is loaded in an application class loader, we try to break the cycle by loading
   * Finalizer in its own independent class loader:
   *
   * System class loader -> Application class loader -> ReferenceMap -> FinalizableReferenceQueue ->
   * etc. -> Decoupled class loader -> Finalizer
   *

 *
 * h3. create an isolated classloader
 *
 * h3. lookup the plugin with a configuration
 *
 * h3. execute the plugin
 *
 * h3. plugins may have to deal with particular actions when a plugin is - installed - loaded -
 * unloaded - update - uninstalled
 *
 * h3. plugins should be able to have specific metadata for a plugin model and that be translated -
 * dependencies - resources - configuration - extension points of plugins
 *

    //                                                                           =========
    // keeping parsed request parameters, normal texts or uploaded files
    // keys are requested parameter names (treated as field name here)
    protected Map<String, Object> elementsAll; // lazy-loaded, then after not null
    protected Map<String, MultipartFormFile> elementsFile; // me too
    protected Map<String, String[]> elementsText; // me too

success.upload_synonym_file = Uploaded a synonym file.
success.upload_protwords_file = Uploaded a protwords file.
success.upload_stopwords_file = Uploaded a stopwords file.
success.upload_stemmeroverride_file = Uploaded a stemmer override file.
success.upload_kuromoji_file = Uploaded a Kuromoji file.
success.upload_elevate_word = Uploaded an elevate word file.
success.upload_bad_word = Uploaded a bad word file.

success.upload_synonym_file = Uploaded a synonym file.
success.upload_protwords_file = Uploaded a protwords file.
success.upload_stopwords_file = Uploaded a stopwords file.
success.upload_stemmeroverride_file = Uploaded a stemmer override file.
success.upload_kuromoji_file = Uploaded a Kuromoji file.
success.upload_elevate_word = Uploaded an elevate word file.
success.upload_bad_word = Uploaded a bad word file.

// The returned object may not be modified.
// reloaded will be true if metadata refreshed from disk
func (sys *BucketMetadataSys) GetConfig(ctx context.Context, bucket string) (meta BucketMetadata, reloaded bool, err error) {
	objAPI := newObjectLayerFn()
	if objAPI == nil {
		return newBucketMetadata(bucket), reloaded, errServerNotInitialized
	}

	if isMinioMetaBucketName(bucket) {

        loaded = readCoreExtensionsDescriptorFromFile(file, true);
        if (!loaded.isEmpty()) {
            result.add(new CoreExtensions(file, loaded));
        }

        // installation
        file = context.installationDirectory.resolve(eff.get(Constants.MAVEN_INSTALLATION_EXTENSIONS));
        loaded = readCoreExtensionsDescriptorFromFile(file, true);