code: def _versions_json(dest: Path) -> Path:
      return dest / "versions.json"
  
file_path: GPflow/doc/update_versions.py
imports: import argparse
  import json
  from pathlib import Path
  from typing import Any, List, Mapping, Optional
  from packaging.version import Version
  from versions import Branch
label_desc: Use image node_id 2 for calling the _Versions obj's underlying member method code with example usage: obj._versions_json(dest) and returns: unknown