code: def prepare_writing(self, docnames: set[str]) -> None:
      pass
  
file_path: sphinx/sphinx/builders/dummy.py
imports: from __future__ import annotations
  from typing import TYPE_CHECKING, Any
  from sphinx.builders import Builder
  from sphinx.locale import __
label_desc: Use image node_id 4 for calling the DummyBuilder obj's underlying member method code with example usage: obj.prepare_writing(docnames) without return types