You are misunderstanding him. Wine has not implemented any UAC dialogue like windows; when the application requests it, it just gets “elevated” as if the user had pressed that UAC button under windows; but Wine does this automatically, as there is no need for something like that.
As stated in comment 50, applications requiring unelevated privileges can be run directly, without the need for “runas” or any similar manual intervention.
You are misunderstanding him. Wine has not implemented any UAC dialogue like windows; when the application requests it, it just gets “elevated” as if the user had pressed that UAC button under windows; but Wine does this automatically, as there is no need for something like that.
https://bugs.winehq.org/show_bug.cgi?id=40613#c50