@Override
	public AccessibleContext getAccessibleContext() {
		if (accessibleFieldPanel == null) {
			accessibleFieldPanel = new AccessibleFieldPanel();
			if (fieldDescriptionProvider != null) {
				accessibleFieldPanel.setFieldDescriptionProvider(fieldDescriptionProvider);
			}
		}
		return accessibleFieldPanel;
	}
Notifies all listeners that the selection changed.
Ghidra/Framework/Docking/src/main/java/docking/widgets/fieldpanel/FieldPanel.java