class_docstr: Abstract base class for renderers, defining the interface that they must implement.
code: def lines(
      self,
      lines: LineReturn,
      line_type: LineType | str,
      ax: Any = 0,
      color: str = "C0",
      alpha: float = 1.0,
      linewidth: float = 1,
  ) -> 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 4 for calling the Renderer obj's underlying member method code with example usage: obj.lines(lines, line_type, ax, color, alpha, linewidth) without return types