Imagine this.

You select one or various categories and "Intelligent Shrink" browse 
all the image searching all the objects thath the selected categories 
uses. If a categorie is not use or not will use it for our selected 
categories then erase it.

Example: I create a "set" of objects, and use objects from Kernel, 
Morphic etc.. But no object uses Monticello. Then, "Intelligent 
Shrink" may delete all Monticello's class not used.

Is this possible on Squeak?

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For reference see SystemDictionary>>removeAllUnSentMessages

For reference see SystemDictionary>>removeAllUnSentMessages