Clean/mark unused operations

hello there,

when a class has many-many-many operations, and at some point some of them become useless, it’s really tedious to find out which can safely be deleted.

maybe the left side menu could show if operations are used or not in the class so we could quickly get rid of them.

Hey hey,

Bumping this one, I happen to be in the middle of a big refactoring and would have greatly appreciated this :smiling_face_with_tear:

Merci beaucoup