It wants to add computation for [**Allowed Accessibility Child Roles**](https://w3c.github.io/aria/#mustContain) and [**Required Accessibility Parent Role**](https://w3c.github.io/aria/#scope). Rel: https://github.com/w3c/aria/pull/1454
It wants to add computation for Allowed Accessibility Child Roles and Required Accessibility Parent Role.
Rel: w3c/aria#1454