<?phpinterfaceIUserMergeLogger{/** * Adds a merge log entry * * @param User $performer * @param User $oldUser * @param User $newUser */publicfunctionaddMergeEntry(User$performer,User$oldUser,User$newUser);/** * Adds a user deletion log entry * * @param User $perfomer * @param User $oldUser */publicfunctionaddDeleteEntry(User$perfomer,User$oldUser);}