@startuml
skinparam BackgroundColor F0F0F0
participant "Application" as app
participant "Application Manager" as appmgr
participant "Previous Application" as prev

app -> appmgr: SwitchBack

alt Application is closeable
    appmgr -> app: Close
else
    appmgr -> app: Focus lost
end

app -> appmgr: Confirm

appmgr -> prev: Start

@enduml