code: def save_token(self, token, request, *args, **kwargs):
          
          return self.save_bearer_token(token, request, *args, **kwargs)
docs: Persist the token with a token type specific method.
  
          Currently, only save_bearer_token is supported.
  
          :param token: A (Bearer) token dict.
          :param request: OAuthlib request.
          :type request: oauthlib.common.Request