Callers may want to disable the "should we save credentials" prompt. A case like `git-webkit setup` comes to mind, where the intent of the script is to setup a machine for future invocations, saving credentials should happen by default.
<rdar://problem/89764417>
Pull request: https://github.com/WebKit/WebKit/pull/186
Landed https://commits.webkit.org/248036@main (r290796)!