code: function (count, fn) {                                       // 55
      var self = this;                                                       // 56
      var timeout = self._timeout(count);                                    // 57
      if (self.retryTimer)                                                   // 58
        clearTimeout(self.retryTimer);                                       // 59
      self.retryTimer = Meteor.setTimeout(fn, timeout);                      // 60
      return timeout;                                                        // 61
    }
docs: 52 53 Call `fn` after a delay, based on the `count` of which retry this is.