// https://svgwg.org/svg2-draft/types.html#InterfaceSVGFitToViewBox
interface mixin SVGFitToViewBox {
    [SameObject, ImplementedAs=view_box_for_bindings] readonly attribute SVGAnimatedRect viewBox;
    [FIXME, SameObject] readonly attribute SVGAnimatedPreserveAspectRatio preserveAspectRatio;
};