code: def _autocomplete_default(self, text: str, line: str, begidx: int, endidx: int,
                                argparser: argparse.ArgumentParser) -> List[str]:
          
          completer = AutoCompleter(argparser, self)
  
          tokens, _ = self.tokens_for_completion(line, begidx, endidx)
          if not tokens:
              return []
  
          return completer.complete_command(tokens, text, line, begidx, endidx)
docs: Default completion function for argparse commands.