(self)
return self._token_uri
Optional[str]: The OAuth 2.0 authorization server's token endpoint
        URI.
Optional[str]: The OAuth 2.0 authorization server's token endpoint
        URI.
Optional [ str ] : The OAuth 2 . 0 authorization server s token endpoint URI .
def token_uri(self):
        """Optional[str]: The OAuth 2.0 authorization server's token endpoint
        URI."""
        return self._token_uri
def token_uri ( self ) : return self . _token_uri