private static @Nullable RadLayoutManager createFromLayoutClass(final Class aClass) {
    // we can't use isInstance() because the class in our map and aClass may have been loaded with
    // different classloaders
    for(Map.Entry<Class, Class<? extends RadLayoutManager>> e: ourLayoutManagerClassRegistry.entrySet()) {
      if (e.getKey().getName().equals(aClass.getName())) {
        try {
          return e.getValue().newInstance();
        }
        catch (Exception ex) {
          throw new RuntimeException(ex);
        }
      }
    }
    if (aClass.getSuperclass() != null) {
      return createFromLayoutClass(aClass.getSuperclass());
    }
    return null;
  }
private static @Nullable RadLayoutManager createFromLayoutClass(final Class aClass)