 Under: Listing all Books, alternatives considered Under this sequence diagram, user is labelled as a class even though there is no User class. In addition, activation bar for ParserMain ends after it returns. <!--session: 1713513262748-9a0f6888-3acb-4c84-abcb-8bd2bdecc057--><!--Version: Desktop v3.5.3-->
Under: Listing all Books, alternatives considered
Under this sequence diagram, user is labelled as a class even though there is no User class.
In addition, activation bar for ParserMain ends after it returns.