@startuml
'!include https://gitlab.univ-nantes.fr/naomod/defaults/-/raw/main/plantuml/puml-theme-sober.puml



state BookExamplaryState {
		  [*] --> Available

		  Available -->Borrowed :borrowBook \t\t
		  Borrowed -->Available : returnBook
		  Borrowed --> Unvalable
}

BookExamplaryState -->[*] : withdraw

@enduml