1. pushmanager api

2. pushmanager api: getsubscription

3. pushmanager api: haspermission

4. pushmanager api: permissionstate

5. pushmanager api: register

6. pushmanager api: registrations

7. pushmanager api: subscribe

8. pushmanager api: supportedcontentencodings

9. pushmanager api: unregister

10. pushmanager api: available in workers

11. serviceworkerregistration api: pushmanager