[Pharo-project] does anybody knows what is updateReferencesUsing: aDictionary

SimpleButtonMorph>>updateReferencesUsing: aDictionary "Copy and update references in the arguments array during copying." super updateReferencesUsing: aDictionary. arguments _ arguments collect: [:old | aDictionary at: old ifAbsent: [old]]. no users. I would remove it. Stef