@startuml
class SceneTest {
    + scene0 : string
}
class SceneNest1 {
    + scene1 : string
}
struct SceneNest2 {
    + scene2 : int
}
MonoBehaviour <|-- SceneTest
SceneTest --> "nest1" SceneNest1
SceneNest1 --> "nest2" SceneNest2
@enduml