docs: def get_vswhere_path():
      """
      Get the path to vshwere.exe.
  
      If vswhere is not already installed as part of Visual Studio, and no
      alternate path is given using `set_vswhere_path()`, the latest release will
      be downloaded and stored alongside this script.
      """
      if alternate_path and os.path.exists(alternate_path):
          return alternate_path
  
      if DEFAULT_PATH and os.path.exists(DEFAULT_PATH):
          return DEFAULT_PATH
  
      if os.path.exists(DOWNLOAD_PATH):
          return DOWNLOAD_PATH
  
      _download_vswhere()
      return DOWNLOAD_PATH