@Referencing(value = ExtensionOrderConverter.class, soft = true)
  @Required(false)
  @Attribute(ORDER_ATTRIBUTE)
  GenericAttributeValue<String> getOrder();
@Referencing(value = ExtensionOrderConverter.class, soft = true)
  @Required(false)
  @Attribute(ORDER_ATTRIBUTE)
  GenericAttributeValue<String> getOrder()