public PrivateDnsNameOptionsOnLaunch getPrivateDnsNameOptionsOnLaunch() {
        return this.privateDnsNameOptionsOnLaunch;
    }
<p>
The type of hostnames to assign to instances in the subnet at launch. An instance hostname is based on the IPv4
address or ID of the instance.
</p>

@return The type of hostnames to assign to instances in the subnet at launch. An instance hostname is based on
        the IPv4 address or ID of the instance.
aws-java-sdk-ec2/src/main/java/com/amazonaws/services/ec2/model/Subnet.java