This event is fired after a file was copied within a Resource Storage / Driver. The folder represents the "target folder".
Example: Listeners can sign up for listing duplicates using this event.
Method: getFile() Description: Returns the file object. ReturnType: TYPO3CMSCoreResourceFileInterface
Method: getFolder() Description: Returns the folder where the file is stored. ReturnType: TYPO3CMSCoreResourceFolder