docs: function (target) {
              var dom = this.callBase(null);
  
              if (this.$externalInterface) {
                  this.$externalInterface._stageRendered(dom);
              }
  
              if (target) {
                  target.appendChild(dom);
                  this.rendered = true;
                  this.$bus.trigger('Stage.Rendered', target);
                  this.trigger('dom:add', target);
              }
              return dom;
          }