message: formating & code style
diff: * @author David Sehnal <david.sehnal@gmail.com>
  */
  -declare var process: any;
  -declare var window: any;
  +declare const process: any;
  +declare const window: any;
  const now: () => now.Timestamp = (function () {
  if (typeof window !== 'undefined' && window.performance) {
  