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