We currently allocate 2 strings per buffer passing through each monitored element, which is not un-significant impact.
Pull request: https://github.com/WebKit/WebKit/pull/15055
Committed 265301@main (5114b739ade9): <https://commits.webkit.org/265301@main> Reviewed commits have been landed. Closing PR #15055 and removing active labels.
<rdar://problem/110992298>