@startuml
title Simplified Overview of Pdm classes

PdmUiItem <|---- PdmUiObjectHandle 
PdmUiObjectHandle  <|-- PdmObject
PdmObject <|-- YourClass

PdmUiItem <|-- PdmUiFieldHandle
PdmFieldHandle -* PdmUiFieldHandle
PdmFieldHandle <|--- "PdmField<T>"
PdmFieldHandle <|--- "PdmProxyField<T>"
PdmFieldHandle <|--- "PdmPtrField<T*>"
PdmFieldHandle <|--- "PdmChildField<T*>"
PdmFieldHandle <|--- "PdmChildArrayField<T*>"

@enduml