https://qupath.github.io/javadoc/docs/qupath/lib/objects/hierarchy/events/PathObjectHierarchyEvent.HierarchyEventType.html
PathObjectHierarchyEvent.HierarchyEventType (QuPath 0.6.0)
declaration: package: qupath.lib.objects.hierarchy.events, class: PathObjectHierarchyEvent, enum: HierarchyEventType
qupath