public void setDBSubnetGroupName(String dBSubnetGroupName) {
        this.dBSubnetGroupName = dBSubnetGroupName;
    }
<p>
A DB subnet group to associate with this DB instance.
</p>
<p>
Constraints: If supplied, must match the name of an existing DBSubnetGroup.
</p>
<p>
Example: <code>mydbsubnetgroup</code>
</p>

@param dBSubnetGroupName
       A DB subnet group to associate with this DB instance.</p>
       <p>
       Constraints: If supplied, must match the name of an existing DBSubnetGroup.
       </p>
       <p>
       Example: <code>mydbsubnetgroup</code>
aws-java-sdk-rds/src/main/java/com/amazonaws/services/rds/model/RestoreDBInstanceFromS3Request.java