public String getDBClusterIdentifier() {
        return this.dBClusterIdentifier;
    }
<p>
(Optional) The user-supplied DB cluster identifier. If this parameter is specified, it must match the identifier
of an existing DB cluster. It returns information from the specific DB cluster's automated backup. This parameter
isn't case-sensitive.
</p>

@return (Optional) The user-supplied DB cluster identifier. If this parameter is specified, it must match the
        identifier of an existing DB cluster. It returns information from the specific DB cluster's automated
        backup. This parameter isn't case-sensitive.
aws-java-sdk-rds/src/main/java/com/amazonaws/services/rds/model/DescribeDBClusterAutomatedBackupsRequest.java