public String getDbClusterIdentifier() {
        return this.dbClusterIdentifier;
    }
<p>
The DB cluster identifier that the user assigned to the cluster. This identifier is the unique key that
identifies a DB cluster.
</p>

@return The DB cluster identifier that the user assigned to the cluster. This identifier is the unique key that
        identifies a DB cluster.
aws-java-sdk-securityhub/src/main/java/com/amazonaws/services/securityhub/model/AwsRdsDbClusterDetails.java