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;
    }
<p>
Provides the list of instances that make up the 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 cluster.
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-docdb/src/main/java/com/amazonaws/services/docdb/model/DBCluster.java