text: window.WebSocket = window.WebSocket || {};
  window.WebSocket.OPEN = window.WebSocket.OPEN || 1;
  
  jQuery.extend(imMatch, {
      /**
       * THe life time of candidates. A candidate means the device is possible to be stitched with the other device.
       * @constant
       * @default
       * @memberof! imMatch#
       */
      lifetimeCandidate: 2000
  });