1. document api: hasprivatetoken

  2. fetch api: `options` parameter: `privatetoken` property

  3. htmliframeelement api: privatetoken

  4. request api: `request()` constructor: `options` parameter: `privatetoken` property

  5. xmlhttprequest api: setprivatetoken

  6. html element: iframe: privatetoken

  7. headers http header: permissions-policy: private-state-token-issuance

  8. headers http header: permissions-policy: private-state-token-redemption

  9. headers http header: sec-private-state-token

  10. headers http header: sec-private-state-token-crypto-version

  11. headers http header: sec-private-state-token-lifetime

  12. blocks some or all insecure mixed content.: user permission in private network allows mixed content checks to be skipped.

  13. javascript classes: private class fields

  14. javascript classes: private class fields 'in'

  15. javascript classes: private class methods