// https://drafts.css-houdini.org/css-typed-om-1/#csstransformvalue
[Exposed=(Window, Worker, PaintWorklet, LayoutWorklet)]
interface CSSTransformValue : CSSStyleValue {
    constructor(sequence<CSSTransformComponent> transforms);
    iterable<CSSTransformComponent>;
    readonly attribute unsigned long length;
    getter CSSTransformComponent (unsigned long index);
    setter undefined (unsigned long index, CSSTransformComponent val);

    [ImplementedAs=is_2d] readonly attribute boolean is2D;
    DOMMatrix toMatrix();
};
