#import // https://drafts.fxtf.org/css-masking/#InterfaceSVGMaskElement [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; };