Opposed to only using "virtual" or both "virtual" and "override"
Created attachment 272837 [details]
Comment on attachment 272837 [details]
This is good, but you should probably revise to include the rule about final. We want to use exactly one of final, override, and virtual.
Created attachment 273144 [details]
patch for landing
Created attachment 273145 [details]
patch for landing v2
changed bug title to reflect "final" keyword