#import 
#import 
interface HTMLSelectElement : HTMLElement {
    [Reflect] attribute boolean disabled;
    [Reflect] attribute boolean multiple;
    [Reflect] attribute boolean required;
    [SameObject] readonly attribute HTMLOptionsCollection options;
    [CEReactions] undefined add((HTMLOptionElement or HTMLOptGroupElement) element, optional (HTMLElement or long)? before = null);
    attribute long selectedIndex;
};