text: import _plotly_utils.basevalidators
  
  
  class MarkerValidator(_plotly_utils.basevalidators.CompoundValidator):
      def __init__(self, plotly_name="marker", parent_name="bar.unselected", **kwargs):
          super(MarkerValidator, self).__init__(
              plotly_name=plotly_name,
              parent_name=parent_name,
              data_class_str=kwargs.pop("data_class_str", "Marker"),
              data_docs=kwargs.pop(
                  "data_docs",
                  """
              color
                  Sets the marker color of unselected points,
                  applied only when a selection exists.
              opacity
                  Sets the marker opacity of unselected points,
                  applied only when a selection exists.
  """,
              ),
              **kwargs,
          )
  