class_docstr: Renderer
      
code: def freeze(self):
      content = {"type": "freeze"}
      self.send(content)
  
file_path: pythreejs/pythreejs/core/Renderer.py
imports: from contextlib import contextmanager
  from ipywidgets import widget_serialization
  from traitlets import Unicode, CInt, Instance, Float, Tuple, Undefined, link
  from ..traits import *
  from .._base.renderable import RenderableWidget
  from ..scenes.Scene_autogen import Scene
  from ..cameras.Camera_autogen import Camera
  from ..controls.Controls_autogen import Controls
  from inspect import Signature, Parameter
label_desc: Use image node_id 3 for calling the Renderer obj's underlying member method code with example usage: obj.freeze() without return types