# Public UI contracts

The guidance uses the host framework's native component model and actual consumers. It helps identify invalid combinations and when a public surface should be split.

Package version: 0.1.0-beta.6.

Included with [Faye UI System Engineer](/plugins/faye-ui-system-engineer/).

## Related guides and supporting files

- [Faye UI System Engineer](/plugins/faye-ui-system-engineer/) — Design, build, and review browser interfaces with purposeful visuals, interaction feel, and rendered evidence.

## Technical source

[Open original source](/marketplace/plugins/faye-ui-system-engineer/references/public-api-contracts.md)

Source path: plugins/faye-ui-system-engineer/references/public-api-contracts.md