Add a stub.
<rdar://problem/101073075>
Created attachment 462936 [details] Patch
Created attachment 462937 [details] Patch
Created attachment 462938 [details] Patch
Created attachment 462939 [details] Patch
Created attachment 462940 [details] Patch
Committed 255446@main (1fd457740b3b): <https://commits.webkit.org/255446@main> All reviewed patches have been landed. Closing bug and clearing flags on attachment 462940 [details].