code: def get_data(self, element, ranges, style):
      if self._has_holes is None:
          draw_callbacks = any(
              isinstance(cb, (PolyDrawCallback, PolyEditCallback))
              for cb in self.callbacks
          )
          has_holes = (
              isinstance(element, Polygons) and not draw_callbacks
          )
          self._has_holes = has_holes
      else:
          has_holes = self._has_holes
  
      if not element.interface.multi:
          element = element.clone(
              [element.data], datatype=type(element).datatype
          )
  
      if self.static_source:
          data = {}
          xs = self.handles["cds"].data["xs"]
      else:
          if has_holes:
              xs, ys = multi_polygons_data(element)
          else:
              xs, ys = (
                  list(element.dimension_values(kd, expanded=False))
                  for kd in element.kdims
              )
          if self.invert_axes:
              xs, ys = ys, xs
          data = dict(xs=xs, ys=ys)
      mapping = dict(self._mapping)
      self._get_hover_data(data, element)
  
      color, fill_color = style.get("color"), style.get("fill_color")
      if (
          (
              (isinstance(color, dim) and color.applies(element))
              or color in element
          )
          or (
              isinstance(fill_color, dim)
              and fill_color.applies(element)
          )
          or fill_color in element
      ):
          cdim = None
      else:
          cidx = (
              self.color_index + 2
              if isinstance(self.color_index, int)
              else self.color_index
          )
          cdim = element.get_dimension(cidx)
  
      if cdim is None:
          return data, mapping, style
  
      dim_name = util.dimension_sanitizer(cdim.name)
      values = element.dimension_values(cdim, expanded=False)
      data[dim_name] = values
  
      factors = None
      if cdim.name in ranges and "factors" in ranges[cdim.name]:
          factors = ranges[cdim.name]["factors"]
      elif values.dtype.kind in "SUO" and len(values):
          if isinstance(values[0], np.ndarray):
              values = np.concatenate(values)
          factors = util.unique_array(values)
      cmapper = self._get_colormapper(
          cdim, element, ranges, style, factors
      )
      mapping[self._color_style] = {
          "field": dim_name,
          "transform": cmapper,
      }
      if self.show_legend:
          mapping["legend_field"] = dim_name
      return data, mapping, style
  
imports: from collections import defaultdict
  import numpy
  import param
  from ...core import util
  from ...element import Contours, Polygons
  from ...util.transform import dim
  from .callbacks import PolyDrawCallback, PolyEditCallback
  from .element import ColorbarPlot, LegendPlot, OverlayPlot
  from .selection import BokehOverlaySelectionDisplay
  from .styles import base_properties, expand_batched_style, fill_properties, line_properties, mpl_to_bokeh, validate
  from .util import multi_polygons_data
label_desc: Use image node_id 4 for calling the ContourPlot obj's underlying member method code with example usage: obj.get_data(element, ranges, style) and returns: data,  mapping,  style, data,  mapping,  style