text: import _plotly_utils.basevalidators
  
  
  class XrefValidator(_plotly_utils.basevalidators.EnumeratedValidator):
  
      def __init__(
          self, plotly_name='xref', parent_name='layout.shape', **kwargs
      ):
          super(XrefValidator, self).__init__(
              plotly_name=plotly_name,
              parent_name=parent_name,
              edit_type='calc',
              role='info',
              values=['paper', '/^x([2-9]|[1-9][0-9]+)?$/'],
              **kwargs
          )
  