# 头文件

* **[open_file_boost.h](https://developer.huawei.com/consumer/cn/doc/harmonyos-references/openfileboost-open__file__boost_8h)**   
* **[file_cache_boost.h](https://developer.huawei.com/consumer/cn/doc/harmonyos-references/openfileboost-file__cache__boost_8h)**   
* **[preview_kit.h](https://developer.huawei.com/consumer/cn/doc/harmonyos-references/openfileboost-preview__kit_8h)**