code: @Override
      protected void saveBeans(List<ProxyActionStatus> addedBeans, List<ProxyActionStatus> modifiedBeans,
              List<ProxyActionStatus> removedBeans) {
          // CRUD operations on Target will be done through repository methods
      }
docs: /*
  (non-Javadoc)
  
  @see
  org.vaadin.addons.lazyquerycontainer.AbstractBeanQuery#saveBeans(java
  .util.List, java.util.List, java.util.List)