cd.set(iRed, iGreen, iBlue);
cd.set(iRed, iGreen, iBlue, iAlpha);
    public static final ColorDefinition create(int iRed, int iGreen, int iBlue)    {        final ColorDefinition cd = AttributeFactory.eINSTANCE.createColorDefinition();        cd.set(iRed, iGreen, iBlue);        return cd;    }