// @flow

declare class Class0 extends Element {

  accessKey: string;
  accessKeyLabel: string;
  className: string;
  contentEditable: string;
  contextMenu: ?HTMLMenuElement;
  dataset: {[key: string]: string};
  dir: "ltr" | "rtl" | "auto";
  draggable: boolean;
  dropzone: any;
  hidden: boolean;
  id: string;
  innerHTML: string;
  isContentEditable: boolean;
  itemProp: any;
  itemScope: boolean;
  itemType: any;
  itemValue: Object;
  lang: string;
  offsetHeight: number;
  offsetLeft: number;
  offsetParent: Element;
  offsetTop: number;
  offsetWidth: number;
  onabort: ?Function;
  onblur: ?Function;
  oncancel: ?Function;
  oncanplay: ?Function;
  oncanplaythrough: ?Function;
  onchange: ?Function;
  onclick: ?Function;
  oncuechange: ?Function;
  ondblclick: ?Function;
  ondurationchange: ?Function;
  onemptied: ?Function;
  onended: ?Function;
  onerror: ?Function;
  onfocus: ?Function;
  oninput: ?Function;
  oninvalid: ?Function;
  onkeydown: ?Function;
  onkeypress: ?Function;
  onkeyup: ?Function;
  onload: ?Function;
  onloadeddata: ?Function;
  onloadedmetadata: ?Function;
  onloadstart: ?Function;
  onmousedown: ?Function;
  onmouseenter: ?Function;
  onmouseleave: ?Function;
  onmousemove: ?Function;
  onmouseout: ?Function;
  onmouseover: ?Function;
  onmouseup: ?Function;
  onmousewheel: ?Function;
  onpause: ?Function;
  onplay: ?Function;
  onplaying: ?Function;
  onprogress: ?Function;
  onratechange: ?Function;
  onreadystatechange: ?Function;
  onreset: ?Function;
  onresize: ?Function;
  onscroll: ?Function;
  onseeked: ?Function;
  onseeking: ?Function;
  onselect: ?Function;
  onshow: ?Function;
  onstalled: ?Function;
  onsubmit: ?Function;
  onsuspend: ?Function;
  ontimeupdate: ?Function;
  ontoggle: ?Function;
  onvolumechange: ?Function;
  onwaiting: ?Function;
  properties: any;
  spellcheck: boolean;
  style: CSSStyleDeclaration;
  tabIndex: number;
  title: string;
  translate: boolean;
  blur(): void;
  click(): void;
  focus(): void;
  forceSpellcheck(): void;
  getBoundingClientRect(): ClientRect;
}
declare class Class1 {

  AT_TARGET: number;
  BUBBLING_PHASE: number;
  CAPTURING_PHASE: number;
  bubbles: boolean;
  cancelable: boolean;
  currentTarget: EventTarget;
  deepPath?: () => Array<EventTarget>;
  defaultPrevented: boolean;
  eventPhase: number;
  isTrusted: boolean;
  scoped: boolean;
  srcElement: Element;
  target: EventTarget;
  timeStamp: number;
  type: string;
  constructor(type: string, eventInitDict?: {bubbles?: boolean, cancelable?: boolean, composed?: boolean, scoped?: boolean}): void;
  initEvent(type: string, bubbles: boolean, cancelable: boolean): void;
  preventDefault(): void;
  stopImmediatePropagation(): void;
  stopPropagation(): void;
}
declare export function createButton(container: Class0, text: string, onClick: (event: Class1) => void): Class0;