public IntegerProperty decimalsProperty() {
        if (null == decimals) {
            decimals = new IntegerPropertyBase(_decimals) {
                @Override protected void invalidated() {
                    set(clamp(0, 5, get()));
                    formatString = new StringBuilder("%.").append(get()).append("f").toString();
                    redraw();
                }
                @Override public Object getBean() { return SunburstChart.this; }
                @Override public String getName() { return "decimals"; }
            };
        }
        return decimals;
    }
Defines the number of decimals that will be used to format the values in the tooltip
@param DECIMALS
src/main/java/eu/hansolo/tilesfx/chart/SunburstChart.java