code: public DBCluster withDBClusterMembers(DBClusterMember... dBClusterMembers) {
          if (this.dBClusterMembers == null) {
              setDBClusterMembers(new java.util.ArrayList<DBClusterMember>(dBClusterMembers.length));
          }
          for (DBClusterMember ele : dBClusterMembers) {
              this.dBClusterMembers.add(ele);
          }
          return this;
      }
docs: <p>
  Provides the list of instances that make up the DB cluster.
  </p>
  <p>
  <b>NOTE:</b> This method appends the values to the existing list (if any). Use
  {@link #setDBClusterMembers(java.util.Collection)} or {@link #withDBClusterMembers(java.util.Collection)} if you
  want to override the existing values.
  </p>
  
  @param dBClusterMembers
  Provides the list of instances that make up the DB cluster.
  @return Returns a reference to this object so that method calls can be chained together.