https://refactoring.guru/smells/feature-envy https://github.com/troessner/reek/blob/master/lib/reek/smell_detectors/feature_envy.rb https://github.com/tsantalis/JDeodorant/blob/master/src/gr/uom/java/jdeodorant/refactoring/views/FeatureEnvy.java
