code: public java.util.List<String> getReservedInstanceIds() {
          if (reservedInstanceIds == null) {
              reservedInstanceIds = new com.amazonaws.internal.SdkInternalList<String>();
          }
          return reservedInstanceIds;
      }
docs: <p>
  The IDs of the Convertible Reserved Instances to exchange for another Convertible Reserved Instance of the same
  or higher value.
  </p>
  
  @return The IDs of the Convertible Reserved Instances to exchange for another Convertible Reserved Instance of
  the same or higher value.