code: function () {
              // free some property objects
              if (this.renderable) {
                  this.renderable.destroy.apply(this.renderable, arguments);
                  this.children.splice(0, 1);
              }
  
              // call the parent destroy method
              this._super(me.Renderable, "destroy", arguments);
          }
docs: Destroy function<br>
  @ignore