[2] Remove "foreign" service-workers mode (annevk著, ) <https://github.com/whatwg/fetch/commit/bc235291b8ab572a2285fede598dadc2f419b32e>
[3] Remove foreign fetch · Issue #1188 · w3c/ServiceWorker () <https://github.com/w3c/ServiceWorker/issues/1188>
[4] Remove "foreign" service-workers mode by annevk · Pull Request #596 · whatwg/fetch () <https://github.com/whatwg/fetch/pull/596>