parameters: (self)
docstring: Lists all the files and directory inside self._root_dir.
docstring_summary: Lists all the files and directory inside self._root_dir.
docstring_tokens: Lists all the files and directory inside self . _root_dir .
function: def _get_all_files(self):
      """Lists all the files and directory inside self._root_dir."""
      raise NotImplementedError()
function_tokens: def _get_all_files ( self ) : raise NotImplementedError ( )