public final void setCollapseEffect(ValueBinding collapseEffect) { engine.setProperty(Properties.COLLAPSE_EFFECT, collapseEffect); }
public final void setCollapseEffect(String collapseEffect) { engine.setProperty(Properties.COLLAPSE_EFFECT, collapseEffect); }
    public final void setCollapseEffect(ValueBinding collapseEffect) {        engine.setProperty(Properties.COLLAPSE_EFFECT, collapseEffect);    }