@Override
	public InputStream getDefaults( Class<?> lafClass ) {
		LookAndFeelFactory.registerDefaultInitializer( FlatLaf.class.getName(), FlatJideUIDefaultsCustomizer.class.getName() );
		LookAndFeelFactory.registerDefaultCustomizer( FlatLaf.class.getName(), FlatJideUIDefaultsCustomizer.class.getName() );

		return super.getDefaults( lafClass );
	}
Finds JIDE Common Layer addon .properties file for the given LaF class
in the same package as this class.
flatlaf-jide-oss/src/main/java/com/formdev/flatlaf/jideoss/FlatJideOssDefaultsAddon.java