#import 
enum CanPlayTypeResult {
    "",
    "maybe",
    "probably"
};
// https://html.spec.whatwg.org/multipage/media.html#htmlmediaelement
[Exposed=Window]
interface HTMLMediaElement : HTMLElement {
    [Reflect] attribute DOMString src;
    [Reflect] attribute boolean autoplay;
    [Reflect] attribute boolean loop;
    [Reflect] attribute boolean controls;
    CanPlayTypeResult canPlayType(DOMString type);
    undefined load();
    undefined pause();
};