> For the complete documentation index, see [llms.txt](https://oci-pronghorn.gitbook.io/pronghorn/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://oci-pronghorn.gitbook.io/pronghorn/chapter-5-utility-classes.md).

# Chapter 5: Utility Classes

- [Appendables](https://oci-pronghorn.gitbook.io/pronghorn/chapter-5-utility-classes/appendables.md)
- [Bloom Filter](https://oci-pronghorn.gitbook.io/pronghorn/chapter-5-utility-classes/bloom-filter.md)
- [Trie Parser](https://oci-pronghorn.gitbook.io/pronghorn/chapter-5-utility-classes/trie-parser.md)