1. csscounterstylerule api: speakas

2. speechsynthesis api: speak

3. speechsynthesis api: speaking

4. css at-rule: `@counter-style`: `speak-as`

5. css property: speak

6. css property: speak-as

7. css property: speak-as: digits

8. css property: speak-as: literal-punctuation

9. css property: speak-as: no-punctuation

10. css property: speak-as: normal

11. css property: speak-as: spell-out

12. headers http header: permissions-policy: speaker-selection