public void programTreeChanged(long id, ProgramEvent eventType, Object affectedObj,
			Object oldValue, Object newValue) {
		if (recordChanges) {
			((ProgramDBChangeSet) changeSet).programTreeChanged(id);
		}
		changed = true;
		fireEvent(new ProgramChangeRecord(eventType, null, null, affectedObj, oldValue, newValue));
	}
Notification that a program tree was changed.
@param id the id of the program tree that was changed.
@param eventType the {@link EventType} for this event
@param affectedObj the object that was changed
@param oldValue old value depends on the type of the change
@param newValue old value depends on the type of the change
Ghidra/Framework/SoftwareModeling/src/main/java/ghidra/program/database/ProgramDB.java