I appreciate your useful tool PlantUML. I would like to share issues regarding the qualified association.
Case 1:
@startuml
Foo [int] --> Bar
Bar [int] --> Foo
@enduml
Case 2:
@startuml
Foo [int] --> Bar
Bar ---> Foo
@enduml
Case 3:
@startuml
Foo [int] o--> Bar
Foo [int] o--> Baz
@enduml
