def get_request_token_secret(self, client_key, token, request):
        raise NotImplementedError("Subclasses must implement this function.")
Count the number of members in a sorted set between a given
dataset/ETHPy150Open idan/oauthlib/oauthlib/oauth1/rfc5849/request_validator.py/RequestValidator.get_request_token_secret--crossover with--dataset/ETHPy150Open coleifer/walrus/walrus/containers.py/ZSet.lex_count