@startuml many_metadata
title dir c many_metadata 1
title dir c many_metadata 2
header dir c many_metadata 1
footer dir c many_metadata 1
title dir c many_metadata 3
header dir c many_metadata 2

Alice -> Bob: Hello
@enduml

@startuml foo
title dir c foo
header dir c foo
footer dir c foo

Alice -> Bob: Hello
@enduml