@Override
    public List<String> getKeys(final String id) {
        return Arrays.asList((getKeyName() + ".{" + id) + "}.tokens", (getKeyName() + ".{" + id) + "}.timestamp");
    }
Gets key name.

@return the key name
shenyu-plugin/shenyu-plugin-fault-tolerance/shenyu-plugin-ratelimiter/src/main/java/org/apache/shenyu/plugin/ratelimiter/algorithm/AbstractRateLimiterAlgorithm.java