Hello TAG！

I'm requesting a TAG review of:

• Name: Feature Policy: JavaScript policy introspection
• Specification URL: PR, published as draft here (See section 7, specifically).
• Explainer, Requirements Doc, or Example code: See introduction and examples in draft
• Tests: This API is tested in WPT/feature-policy, specifically with the feature-policy-frame-policy-*, feature-policy-header-policy-*, and feature-policy-nested-header-policy-* tests. Once available, this API can also be used to test many other policy-controlled features, as well.
• Primary contacts: iclelland

Further details (optional):

• Relevant time constraints or deadlines: [please provide]
• I have read and filled out the Self-Review Questionnare on Security and Privacy. The assessment is here.
• I have reviewed the TAG's API Design Principles

You should also know that...

[please tell us anything you think is relevant to this review]

We'd prefer the TAG provide feedback as (please select one):

• open issues in our Github repo for each point of feedback
• open a single issue in our Github repo for the entire review
• leave review feedback as a comment in this issue and @-notify [github usernames]

Please preview the issue and check that the links work before submitting

For background, some decent explainers:

https://github.com/w3c/ServiceWorker/blob/master/explainer.md https://github.com/zkoch/paymentrequest/blob/gh-pages/docs/explainer.md https://github.com/WICG/IntersectionObserver/blob/gh-pages/explainer.md (although this one includes IDL, which an explainer should not)