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

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