class_docstr: Abstract base class for renderers, defining the interface that they must implement.
code: def show(self) -> None:
      pass
  
file_path: catboost/contrib/python/contourpy/contourpy/util/renderer.py
imports: from __future__ import annotations
  from abc import ABC, abstractmethod
  from typing import TYPE_CHECKING, Any
  import numpy
label_desc: Use image node_id 8 for calling the Renderer obj's underlying member method code with example usage: obj.show() without return types