#import 
#import 
#import 
// https://html.spec.whatwg.org/multipage/iframe-embed-object.html#htmliframeelement
[Exposed=Window]
interface HTMLIFrameElement : HTMLElement {
    [HTMLConstructor] constructor();
    [CEReactions, Reflect, URL] attribute USVString src;
    [CEReactions, Reflect] attribute DOMString srcdoc;
    [CEReactions, Reflect] attribute DOMString name;
    [FIXME, SameObject, PutForwards=value] readonly attribute DOMTokenList sandbox;
    [CEReactions, Reflect] attribute DOMString allow;
    [CEReactions, Reflect=allowfullscreen] attribute boolean allowFullscreen;
    [CEReactions, Reflect] attribute DOMString width;
    [CEReactions, Reflect] attribute DOMString height;
    [CEReactions, Reflect=referrerpolicy, Enumerated=ReferrerPolicy] attribute DOMString referrerPolicy;
    [CEReactions, Enumerated=LazyLoadingAttribute, Reflect] attribute DOMString loading;
    readonly attribute Document? contentDocument;
    readonly attribute WindowProxy? contentWindow;
    Document? getSVGDocument();
    // Obsolete
    [CEReactions, Reflect] attribute DOMString align;
    [CEReactions, Reflect] attribute DOMString scrolling;
    [CEReactions, Reflect=frameborder] attribute DOMString frameBorder;
    [CEReactions, Reflect=longdesc, URL] attribute USVString longDesc;
    [CEReactions, LegacyNullToEmptyString, Reflect=marginheight] attribute DOMString marginHeight;
    [CEReactions, LegacyNullToEmptyString, Reflect=marginwidth] attribute DOMString marginWidth;
};