```plantuml
@startuml
'https://plantuml.com/class-diagram

package application {
    class Application
}

package domain {
    class Service
    class Domain
}
Application ..> Service
Application ..> Domain

package infrastructure {
    class Repository
    class Provs
}
Service ..> Domain
Service ..> Service
Service ..> Repository
Service ..> Provs

@enduml
```