public final ObjectProperty<Paint> markerFill1Property() {
        if (null == markerFill1) {
            markerFill1 = new StyleableObjectProperty<Paint>(DEFAULT_MARKER_FILL_1) {
                @Override public CssMetaData getCssMetaData() { return StyleableProperties.MARKER_FILL_1; }
                @Override public Object getBean() { return RadialBargraph.this; }
                @Override public String getName() { return "markerFill1"; }
            };
        }
        return markerFill1;
    }