// https://html.spec.whatwg.org/multipage/webappapis.html#windoworworkerglobalscope
interface mixin WindowOrWorkerGlobalScope {
    [Replaceable] readonly attribute USVString origin;
    readonly attribute boolean isSecureContext;
    readonly attribute boolean crossOriginIsolated;
    // FIXME: undefined reportError(any e);
    // base64 utility methods
    DOMString btoa(DOMString data);
    ByteString atob(DOMString data);
    // timers
    // FIXME: long setTimeout(TimerHandler handler, optional long timeout = 0, any... arguments);
    // FIXME: undefined clearTimeout(optional long id = 0);
    // FIXME: long setInterval(TimerHandler handler, optional long timeout = 0, any... arguments);
    // FIXME: undefined clearInterval(optional long id = 0);
    // microtask queuing
    // FIXME: undefined queueMicrotask(VoidFunction callback);
    // ImageBitmap
    // FIXME: Promise createImageBitmap(ImageBitmapSource image, optional ImageBitmapOptions options = {});
    // FIXME: Promise createImageBitmap(ImageBitmapSource image, long sx, long sy, long sw, long sh, optional ImageBitmapOptions options = {});
    // structured cloning
    // FIXME: any structuredClone(any value, optional StructuredSerializeOptions options = {});
};