protected void fireItemStateChanged(ItemEvent e) {
		// Guaranteed to return a non-null array
		Object[] listeners = listenerList.getListenerList();
		// Process the listeners last to first, notifying
		// those that are interested in this event
		for (int i = listeners.length - 2; i >= 0; i -= 2) {
			if (listeners[i] == ItemListener.class) {
				((ItemListener) listeners[i + 1]).itemStateChanged(e);
			}
		}
	}
alert listeners that there is a change in the selected filters
@param e the event
Ghidra/Features/GraphServices/src/main/java/ghidra/graph/AttributeFilters.java