void initDescription(@NotNull DomFileDescription<?> description) {
    for (Map.Entry<Class<? extends DomElement>, Class<? extends DomElement>> entry : description.getImplementations().entrySet()) {
      registerImplementation(entry.getKey(), entry.getValue(), null);
    }

    myTypeChooserManager.copyFrom(description.getTypeChooserManager());
  }
void initDescription(@NotNull DomFileDescription<?> description)