public void setPrivateDnsNameOptions(PrivateDnsNameOptionsRequest privateDnsNameOptions) {
        this.privateDnsNameOptions = privateDnsNameOptions;
    }
<p>
The options for the instance hostname. The default values are inherited from the subnet. Applies only if creating
a network interface, not attaching an existing one.
</p>

@param privateDnsNameOptions
       The options for the instance hostname. The default values are inherited from the subnet. Applies only if
       creating a network interface, not attaching an existing one.
aws-java-sdk-ec2/src/main/java/com/amazonaws/services/ec2/model/RunInstancesRequest.java