@startuml
skinparam classAttributeIconSize 0
hide methods

abstract class Referable<HasExtensions> <<abstract>> {
  +category: NameType[0..1] 
  +description: LangStringTextType[0..*] 
  +displayName: LangStringNameType[0..*] 
  +IdShort: IdShortType[0..1] 
}
@enduml