public LettuceConnectionFactory getLettuceConnectionFactory() {
        return this.lettuceConnectionFactory;
    }
Get Lettuce connection factory.
@return the factory
shenyu-plugin/shenyu-plugin-ai/shenyu-plugin-ai-token-limiter/src/main/java/org/apache/shenyu/plugin/ai/token/limiter/redis/RedisConnectionFactory.java