public void setDBInstanceIdentifier(String dBInstanceIdentifier) {
        this.dBInstanceIdentifier = dBInstanceIdentifier;
    }
<p>
Contains a user-supplied database identifier. This identifier is the unique key that identifies a DB instance.
</p>

@param dBInstanceIdentifier
       Contains a user-supplied database identifier. This identifier is the unique key that identifies a DB
       instance.
aws-java-sdk-securityhub/src/main/java/com/amazonaws/services/securityhub/model/AwsRdsDbInstanceDetails.java