private Stream<String> getGoogleAuthenticatorTokenKeys(final Integer otp) {
        val key = getGoogleAuthenticatorTokenRedisKey(otp);
        LOGGER.trace("Fetching Google Authenticator records based on key [{}] for [{}]", key, otp);
        return template.scan(key, this.scanCount);
    }
This is {@link GoogleAuthenticatorRedisTokenRepository}.

@author Misagh Moayyed
@since 6.1.0
support/cas-server-support-gauth-redis/src/main/java/org/apereo/cas/gauth/token/GoogleAuthenticatorRedisTokenRepository.java