Visualize ABC size
https://stackoverflow.com/questions/71984594/rubocop-complains-about-metrics-abcsize
https://github.com/rubocop/rubocop/blob/master/lib/rubocop/cop/metrics/utils/abc_size_calculator.rb
https://github.com/rubocop/rubocop/blob/master/lib/rubocop/cop/metrics/utils/abc_size_calculator.rb