docs: public JobRequest setPriority(Integer priority)
      {
          if (priority == null)
          {
              priority = 0;
              return this;
          }
          if (priority > Thread.MAX_PRIORITY || priority < Thread.MIN_PRIORITY)
          {
              throw new JqmInvalidRequestException("Priority must be between Thread.MIN_PRIORITY and Thread.MAX_PRIORITY");
          }
  
          this.priority = priority;
          return this;
      }