public String getDomainName() {
        return this.domainName;
    }
<p>
The fully qualified domain name in the certificate request.
</p>

@return The fully qualified domain name in the certificate request.
aws-java-sdk-lightsail/src/main/java/com/amazonaws/services/lightsail/model/LoadBalancerTlsCertificateDomainValidationOption.java