// https://html.spec.whatwg.org/multipage/dnd.html#the-dragevent-interface
[Exposed=Window]
interface DragEvent : MouseEvent {
    constructor(DOMString type, optional DragEventInit eventInitDict = {});

    readonly attribute DataTransfer? dataTransfer;
};

dictionary DragEventInit : MouseEventInit {
    DataTransfer? dataTransfer = null;
};
