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

@return Contains a user-supplied DB cluster identifier. This identifier is the unique key that identifies a DB
        cluster.
aws-java-sdk-rds/src/main/java/com/amazonaws/services/rds/model/BacktrackDBClusterResult.java