#import 
#import 
// https://html.spec.whatwg.org/multipage/semantics.html#htmlfieldsetelement
[Exposed=Window]
interface HTMLFieldSetElement : HTMLElement {
    [HTMLConstructor] constructor();
    [CEReactions, Reflect] attribute boolean disabled;
    readonly attribute HTMLFormElement? form;
    [CEReactions, Reflect] attribute DOMString name;
    readonly attribute DOMString type;
    // FIXME: [SameObject] readonly attribute HTMLCollection elements;
    // FIXME: readonly attribute boolean willValidate;
    // FIXME: [SameObject] readonly attribute ValidityState validity;
    // FIXME: readonly attribute DOMString validationMessage;
    // FIXME: boolean checkValidity();
    // FIXME: boolean reportValidity();
    // FIXME: undefined setCustomValidity(DOMString error);
};