Lecture 88 Refactoring rules - anyone have a working copy?

Hi. It seems im just impossibly stuck on this lecture. Much in the lecture is either outdated or maybe there is some undefined problem on my end. The fixes ive found online also seem to be outdated so i was wondering if anyone has a working piece of code for this lecture?

For some reason my sourcetree is acting up aswell and even if i go to an earlier commit i cannot compile - this is brand new error and it worked just the other day, so its possible its fixable - but it puts me in a situation where im startling to loose motivation continuing with the course :frowning:

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