code: public JobType addJobNotificationSubscriptionType(
              JobNotificationSubscriptionType jobNotificationSubscription) {
          if (this.jobNotificationSubscriptionTypes == null) {
              this.jobNotificationSubscriptionTypes = new ArrayList<JobNotificationSubscriptionType>();
          }
          this.jobNotificationSubscriptionTypes.add(jobNotificationSubscription);
          return this;
      }
docs: Adds the job notification subscription type.
  
  @param jobNotificationSubscription
  the job notification subscription
  @return the job type