code: public java.util.List<String> getReadReplicaDBInstanceIdentifiers() {
          if (readReplicaDBInstanceIdentifiers == null) {
              readReplicaDBInstanceIdentifiers = new com.amazonaws.internal.SdkInternalList<String>();
          }
          return readReplicaDBInstanceIdentifiers;
      }
docs: <p>
  Contains one or more identifiers of the Read Replicas associated with this DB instance.
  </p>
  
  @return Contains one or more identifiers of the Read Replicas associated with this DB instance.