text: import _plotly_utils.basevalidators
  
  
  class ThicknessValidator(_plotly_utils.basevalidators.NumberValidator):
      def __init__(
          self,
          plotly_name="thickness",
          parent_name="histogram2dcontour.colorbar",
          **kwargs
      ):
          super(ThicknessValidator, self).__init__(
              plotly_name=plotly_name,
              parent_name=parent_name,
              edit_type=kwargs.pop("edit_type", "colorbars"),
              min=kwargs.pop("min", 0),
              **kwargs
          )
  