docs: List<CmsContainer> getEditableContainers() {
  
          List<CmsContainer> containers = new ArrayList<CmsContainer>();
          for (CmsContainer container : m_containers.values()) {
              if ((m_targetContainers.get(container.getName()) != null)
                  && isContainerEditable(m_targetContainers.get(container.getName()))) {
                  containers.add(container);
              }
          }
          return containers;
      }