public DBCluster withDBClusterIdentifier(String dBClusterIdentifier) {
        setDBClusterIdentifier(dBClusterIdentifier);
        return this;
    }
<p>
Contains a user-supplied cluster identifier. This identifier is the unique key that identifies a cluster.
</p>

@param dBClusterIdentifier
       Contains a user-supplied cluster identifier. This identifier is the unique key that identifies a 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