public AwsRdsDbSubnetGroup getDbSubnetGroup() {
        return this.dbSubnetGroup;
    }
<p>
Information about the subnet group that is associated with the DB instance.
</p>

@return Information about the subnet group that is associated with the DB instance.
aws-java-sdk-securityhub/src/main/java/com/amazonaws/services/securityhub/model/AwsRdsDbInstanceDetails.java