@Override
	public void domainObjectChanged(DomainObjectChangedEvent ev) {
		if (ev.contains(INT_PROPERTY_MAP_ADDED, INT_PROPERTY_MAP_REMOVED,
			INT_PROPERTY_MAP_CHANGED)) {
			updateManager.update();
		}
	}
A plugin to provider actions for manipulating the colors of the {@link CodeViewerService}.
Ghidra/Features/Base/src/main/java/ghidra/app/plugin/core/colorizer/ColorizingPlugin.java