declare module '@novnc/novnc/core/util/browser' {
  export let isTouchDevice: boolean;
  export let dragThreshold: number;

  export const supportsCursorURIs: boolean;
  export const hasScrollbarGutter: boolean;

  export function isMac(): boolean;
  export function isWindows(): boolean;
  export function isIOS(): boolean;
  export function isSafari(): boolean;
  export function isFirefox(): boolean;
}