@startuml namespace testingsupport { interface MyInterface { - foo() bool } class MyStruct1 << (S,Aquamarine) >> { - foo() bool } class MyStruct2 << (S,Aquamarine) >> { } class MyStruct3 << (S,Aquamarine) >> { - foo() + Foo MyStruct1 } } testingsupport.MyStruct1 *-- testingsupport.MyStruct2 testingsupport.MyInterface <|-- testingsupport.MyStruct1 testingsupport.MyStruct3 o-- testingsupport.MyStruct1 @enduml Submit amiga aws-orange black-knight bluegray blueprint cerulean-outline cerulean crt-amber crt-green cyborg-outline cyborg hacker lightgray mars materia-outline materia metal mimeograph minty plain reddress-darkblue reddress-darkgreen reddress-darkorange reddress-darkred reddress-lightblue reddress-lightgreen reddress-lightorange reddress-lightred sandstone silver sketchy-outline sketchy spacelab spacelab-white superhero-outline superhero toy united vibrant       🎉 Discover the future PlantUML Web Editor! 🚀  PNG  SVG  ASCII Art