@startuml
skinparam classAttributeIconSize 0
hide empty fields
hide empty methods
left to right direction

' Define the objects in the diagram
class "[[https://github.com/JetBrains/intellij-community/blob/master/platform/extensions/src/com/intellij/util/messages/Topic.java{com.intellij.util.messages.Topic} com.intellij.util.messages.Topic]]" as Topic {
  +displayName()
  +broadcastDirection()
  }
class ListenerClass {
  +method1()
  {method} ...
  +methodN()
  }

' Define the class relationships
Topic o--> "1 " ListenerClass
@enduml