public static <T> T get(String key) {
        if (StringUtils.isBlank(key)) {
            return null;
        }
        byte[] bytes = CACHE.getIfPresent(key);
        if (bytes == null) {
            return null;
        }
        T data = SerializationUtils.deserialize(bytes);
        if (NullValue.INSTANCE.equals(data)) {
            return null;
        }
        return data;
    }
Get a data from cache

@param key
@param <T>
@return
chat2db-server/chat2db-server-domain/chat2db-server-domain-core/src/main/java/ai/chat2db/server/domain/core/cache/MemoryCacheManage.java