@startuml

package "Public API" <<frame>> #DDDDDD {
interface IConnection {
  +requestName()
  +enterProcessLoop()
  +leaveProcessLoop()
}

interface IObject {
  +registerMethod()
  +emitSignal()
}

interface IProxy {
  +callMethod()
  +subscribeToSignal()
  +get/setProperty()
}

class Message {
  +serialize(...)
  +deserialize(...)
  +send()
  Type msgType
}
}

interface IConnectionInternal {
  +addObjectVTable()
  +createMethodCall()
  +createSignal()
}

class Connection {
}

class Object {
  IConnectionInternal& connection
  string objectPath
  List interfaces
  List methods
  List signals
  List properties
}

class Proxy {
  IConnectionInternal& connection
  string destination
  string objectPath
  List signalHandlers
}

IConnection <|-- Connection
IConnectionInternal  <|- Connection
IObject <|-- Object
IProxy <|-- Proxy
Connection <-- Object : "use"
Connection <-- Proxy : "use"
Message <.. Object : "send/receive"
Message <.. Proxy : "send/receive"

@enduml