code: def prepare_ud_filepaths(
      path_prefix: epath.PathLike,
      filepaths: Union[epath.PathLike, List[epath.PathLike]],
  ) -> List[epath.PathLike]:
      """Prepends a path prefix to a (list of) filepaths.
  
      Args:
        path_prefix: A path which will be prepended to all paths in filepaths.
        filepaths: The filepaths to be prepared. Could be a list of paths for
          multiple files, or a single path.
  
      Returns:
        A list with the resulting filepath(s). In case a single path was given as
        `filepath`, it will returns a one-item list containing the resulting path.
      """
      paths = filepaths if isinstance(filepaths, list) else [filepaths]
      return [os.path.join(path_prefix, filepath) for filepath in paths]
  
label_desc: Use image node_id 1 for calling a global function with example usage: prepare_ud_filepaths(path_prefix, filepaths) and returns: unknown