ladybird/Libraries/LibWeb/CSS/MediaQueryList.idl

// https://drafts.csswg.org/cssom-view/#the-mediaquerylist-interface
[Exposed=Window]
interface MediaQueryList : EventTarget {
    readonly attribute CSSOMString media;
    readonly attribute boolean matches;
    undefined addListener(EventListener? callback);
    undefined removeListener(EventListener? callback);
    attribute EventHandler onchange;
};