@Override
    public void removeRule(final RuleData ruleData) {
        Optional.ofNullable(ruleData).ifPresent(s ->
                CACHED_HANDLE.get().removeHandle(CacheKeyUtils.INST.getKey(ruleData)));
    }
The type request plugin data subscriber.
shenyu-plugin/shenyu-plugin-request/src/main/java/org/apache/shenyu/plugin/request/handler/RequestPluginHandler.java