* @return the actual class of the specified type
     */
    public static Class<?> getActualClass(final Type type, final Map<TypeVariable<?>, Type> map) {
        return switch (type) {
        case Class<?> clazz -> clazz;
        case ParameterizedType paramType -> getActualClass(paramType.getRawType(), map);
        case WildcardType wildcard -> getActualClass(wildcard.getUpperBounds()[0], map);