docs: function (container, cfg) {
                  var id = cfg.id;
                  if (cfg.loadingIndicator) {
                      this._triggerLoadingIndicator(container, false);
                  }
                  var mapDom = mapDoms[id];
                  if (mapDom) {
                      var parent = mapDom.parentNode;
                      if (parent) {
                          parent.removeChild(mapDom);
                      }
                  }
              }