code: def __init__(
      self,
      plotly_name="symbol",
      parent_name="layout.mapbox.layer",
      **kwargs,
  ):
      super(SymbolValidator, self).__init__(
          plotly_name=plotly_name,
          parent_name=parent_name,
          data_class_str=kwargs.pop("data_class_str", "Symbol"),
          data_docs=kwargs.pop(
              "data_docs",
              """
              icon
                  Sets the symbol icon image
                  (mapbox.layer.layout.icon-image). Full list:
                  https://www.mapbox.com/maki-icons/
              iconsize
                  Sets the symbol icon size
                  (mapbox.layer.layout.icon-size). Has an effect
                  only when `type` is set to "symbol".
              placement
                  Sets the symbol and/or text placement
                  (mapbox.layer.layout.symbol-placement). If
                  `placement` is "point", the label is placed
                  where the geometry is located If `placement` is
                  "line", the label is placed along the line of
                  the geometry If `placement` is "line-center",
                  the label is placed on the center of the
                  geometry
              text
                  Sets the symbol text (mapbox.layer.layout.text-
                  field).
              textfont
                  Sets the icon text font
                  (color=mapbox.layer.paint.text-color,
                  size=mapbox.layer.layout.text-size). Has an
                  effect only when `type` is set to "symbol".
              textposition
                  Sets the positions of the `text` elements with
                  respects to the (x,y) coordinates.
  """,
          ),
          **kwargs,
      )
  
imports: import _plotly_utils.basevalidators
label_desc: Use image node_id 1 to create a new SymbolValidator object from inherited base classes: _plotly_utils.basevalidators with example: obj = SymbolValidator(plotly_name, parent_name)