code: def render(self, **kwargs):
          
          for item in self._parent._children.values():
              if not isinstance(item, Layer) or not item.control:
                  continue
              key = item.layer_name
              if not item.overlay:
                  self.base_layers[key] = item.get_name()
                  if len(self.base_layers) > 1:
                      self.layers_untoggle[key] = item.get_name()
              else:
                  self.overlays[key] = item.get_name()
                  if not item.show:
                      self.layers_untoggle[key] = item.get_name()
          super(LayerControl, self).render()
docs: Renders the HTML representation of the element.