it would be super useful to be able to do something like "include all original headers, just add one extra"
Pull request: https://github.com/WebKit/WebKit/pull/1786
Committed 251884@main (716557a92a13): <https://commits.webkit.org/251884@main> Reviewed commits have been landed. Closing PR #1786 and removing active labels.
<rdar://problem/96002921>