def save_bearer_token(self, token, request, *args, **kwargs):
        raise NotImplementedError('Subclasses must implement this method.')
This function should only be used internally
dataset/ETHPy150Open idan/oauthlib/oauthlib/oauth2/rfc6749/request_validator.py/RequestValidator.save_bearer_token--crossover with--dataset/ETHPy150Open sympy/sympy/sympy/sets/sets.py/Set._intersect