[Exposed=Window]
interface SVGMaskElement : SVGElement {

    // FIXME: readonly attribute SVGAnimatedEnumeration maskUnits;
    // FIXME: readonly attribute SVGAnimatedEnumeration maskContentUnits;
    // FIXME: readonly attribute SVGAnimatedLength x;
    // FIXME: readonly attribute SVGAnimatedLength y;
    // FIXME: readonly attribute SVGAnimatedLength width;
    // FIXME: readonly attribute SVGAnimatedLength height;

};