[macos-high-sierra] Is it possible to install Xcode 10.2 on High Sierra (10.13.6)?

None of the above helped for me.

I was able to install Mojave using this link here: http://dosdude1.com/mojave/ This patch worked beautifully and without a hitch

Proof: here's Mojave running on my (unsupported) 2011 Mac-mini