1. fetch api: `init.attributionreporting` parameter

2. reportingobserver api

3. reportingobserver api: disconnect

4. reportingobserver api: observe

5. reportingobserver api: `reportingobserver()` constructor

6. reportingobserver api: takerecords

7. reportingobserver api: available in workers

8. request api: `request()` constructor: `init.attributionreporting` parameter

9. xmlhttprequest api: setattributionreporting