text: import _plotly_utils.basevalidators
  
  
  class DepthfadeValidator(_plotly_utils.basevalidators.EnumeratedValidator):
      def __init__(self, plotly_name="depthfade", parent_name="treemap.marker", **kwargs):
          super(DepthfadeValidator, self).__init__(
              plotly_name=plotly_name,
              parent_name=parent_name,
              edit_type=kwargs.pop("edit_type", "style"),
              role=kwargs.pop("role", "style"),
              values=kwargs.pop("values", [True, False, "reversed"]),
              **kwargs
          )
  