* {@code key}, simply waits for that thread to finish and returns its loaded value. Note that
   * multiple threads can concurrently load values for distinct keys.
   *
   * <p>Caches loaded by a {@link CacheLoader} will call {@link CacheLoader#load} to load new values
   * into the cache. Newly loaded values are added to the cache using {@code

	var vm visitMap
	var loaded bool
	type testM struct {
		Name string
	}

	t1 := testM{Name: "t1"}
	t2 := testM{Name: "t2"}
	t3 := testM{Name: "t3"}

	vm = make(visitMap)
	if loaded = loadOrStoreVisitMap(&vm, reflect.ValueOf(&t1)); loaded {
		t.Fatalf("loaded should be false")
	}

	if loaded = loadOrStoreVisitMap(&vm, reflect.ValueOf(&t1)); !loaded {
		t.Fatalf("loaded should be true")
	}

   * {@code key}, simply waits for that thread to finish and returns its loaded value. Note that
   * multiple threads can concurrently load values for distinct keys.
   *
   * <p>Caches loaded by a {@link CacheLoader} will call {@link CacheLoader#load} to load new values
   * into the cache. Newly loaded values are added to the cache using {@code

// Check if circular values, return true if loaded
func loadOrStoreVisitMap(visitMap *visitMap, v reflect.Value) (loaded bool) {
	if v.Kind() == reflect.Ptr {
		v = v.Elem()
	}

	switch v.Kind() {
	case reflect.Slice, reflect.Array:
		loaded = true
		for i := 0; i < v.Len(); i++ {
			if !loadOrStoreVisitMap(visitMap, v.Index(i)) {
				loaded = false
			}
		}

     * </ol>
     * <p>
     * However, if both the class loader that loaded the target class and the class loader that loaded this class can be obtained,
     * and the class loader that loaded the target class is an ancestor of the class loader that loaded this class,
     * the class loader that loaded this class is returned.
     * </p>
     *

@Experimental
@Consumer
@Named
public interface ModelTransformer extends SpiService {

    /**
     * Apply a transformation on the file model.
     *
     * This method will be called on each file model being loaded,
     * just before validation.
     *
     * @param model the input model
     * @return the transformed model, or the input model if no transformation is needed
     * @throws ModelTransformerException
     */

            settings = new String(is2.readAllBytes(), StandardCharsets.UTF_8);
        }

        assertNotNull("Mappings should be loaded", mappings);
        assertNotNull("Settings should be loaded", settings);
        assertTrue("Mappings should not be empty", mappings.length() > 0);
        assertTrue("Settings should not be empty", settings.length() > 0);
    }

    /**

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

    /**
     * Initializes the extension override map by loading configuration from FessConfig.
     * The mappings are loaded from the crawler.document.mimetype.extension.overrides property,
     * where each line contains a mapping in the format ".ext=mime/type".
     */
    @PostConstruct
    public void init() {

			elem := reflectValue.Index(i)
			elemKey := elem.Interface()
			if elem.Kind() != reflect.Ptr && elem.CanAddr() {
				elemKey = elem.Addr().Interface()
			}

			if _, ok := loaded[elemKey]; ok {
				continue
			}
			loaded[elemKey] = true

			fieldValues := make([]interface{}, len(fields))
			notZero = false
			for idx, field := range fields {
				fieldValues[idx], zero = field.ValueOf(ctx, elem)

     * Loads a crawler client into the specified crawler client factory.
     *
     * @param crawlerClientFactory the factory to which the client will be added
     * @param regex the regular expression used to match URLs for this client
     * @param componentName the name of the component to be loaded as a client
     */
    protected void load(final CrawlerClientFactory crawlerClientFactory, final String regex, final String componentName) {