Distinguish modify and delete of ActorComponent

Development Programming & Scripting C++
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1

I develop and editor and game plugin. I track some ActorComponents. If one of them is modified (eg. set to invisible) or deleted it’s OnUnregister() is called. How can I distinguish if it is modified or deleted?

void UMyActorComponent::OnUnregister()
{
    Super::OnUnregister();

   if(isModified()) //?
       ....
   if(isDeleted())  //?
       ....
}

Thanks in advance, greets