code: public void setReservedDBInstancesOfferings(java.util.Collection<ReservedDBInstancesOffering> reservedDBInstancesOfferings) {
          if (reservedDBInstancesOfferings == null) {
              this.reservedDBInstancesOfferings = null;
              return;
          }
  
          this.reservedDBInstancesOfferings = new com.amazonaws.internal.SdkInternalList<ReservedDBInstancesOffering>(reservedDBInstancesOfferings);
      }
docs: <p>
  A list of reserved DB instance offerings.
  </p>
  
  @param reservedDBInstancesOfferings
  A list of reserved DB instance offerings.