code: @Action(
              semantics = SemanticsOf.SAFE
      )
      @ActionLayout(
              bookmarking = BookmarkPolicy.AS_ROOT
      )
      @MemberOrder(sequence = "1")
      public List<PublishMqDemoObject> listAll() {
          return container.allInstances(PublishMqDemoObject.class);
      }
docs: region > listAll (action)