/**
  * Resubscribe a customer to a given plan.
  *
  * @param  string  $token
  * @return void
  */
 public function resume($token = null)
 {
     $this->noProrate()->skipTrial()->create($token, [], $this->getStripeCustomer());
     $this->billable->setTrialEndDate(null)->saveBillableInstance();
 }