code: public PurchaseScheduledInstancesResult withScheduledInstanceSet(ScheduledInstance... scheduledInstanceSet) {
          if (this.scheduledInstanceSet == null) {
              setScheduledInstanceSet(new com.amazonaws.internal.SdkInternalList<ScheduledInstance>(scheduledInstanceSet.length));
          }
          for (ScheduledInstance ele : scheduledInstanceSet) {
              this.scheduledInstanceSet.add(ele);
          }
          return this;
      }
docs: <p>
  Information about the Scheduled Instances.
  </p>
  <p>
  <b>NOTE:</b> This method appends the values to the existing list (if any). Use
  {@link #setScheduledInstanceSet(java.util.Collection)} or {@link #withScheduledInstanceSet(java.util.Collection)}
  if you want to override the existing values.
  </p>
  
  @param scheduledInstanceSet
  Information about the Scheduled Instances.
  @return Returns a reference to this object so that method calls can be chained together.