public static RedisSerializationContext<String, String> stringSerializationContext() {
        RedisSerializer<String> serializer = new StringRedisSerializer();
        return RedisSerializationContext.<String, String>newSerializationContext().key(serializer).value(serializer)
                   .hashKey(serializer).hashValue(serializer).build();
    }
string serializer context.
@return the string serializer context.
shenyu-plugin/shenyu-plugin-ai/shenyu-plugin-ai-token-limiter/src/main/java/org/apache/shenyu/plugin/ai/token/limiter/redis/serializer/ShenyuRedisSerializationContext.java