docs: public DescribeScheduledInstanceAvailabilityResult withScheduledInstanceAvailabilitySet(ScheduledInstanceAvailability... scheduledInstanceAvailabilitySet) {
          if (this.scheduledInstanceAvailabilitySet == null) {
              setScheduledInstanceAvailabilitySet(new com.amazonaws.internal.SdkInternalList<ScheduledInstanceAvailability>(
                      scheduledInstanceAvailabilitySet.length));
          }
          for (ScheduledInstanceAvailability ele : scheduledInstanceAvailabilitySet) {
              this.scheduledInstanceAvailabilitySet.add(ele);
          }
          return this;
      }