public java.util.List<String> getSubjectAlternativeNames() {
        return subjectAlternativeNames;
    }
<p>
An array of strings that specify the alternate domains (<code>example2.com</code>) and subdomains (
<code>blog.example.com</code>) for the certificate.
</p>
<p>
You can specify a maximum of nine alternate domains (in addition to the primary domain name).
</p>
<p>
Wildcard domain entries (<code>*.example.com</code>) are not supported.
</p>

@return An array of strings that specify the alternate domains (<code>example2.com</code>) and subdomains (
        <code>blog.example.com</code>) for the certificate.</p>
        <p>
        You can specify a maximum of nine alternate domains (in addition to the primary domain name).
        </p>
        <p>
        Wildcard domain entries (<code>*.example.com</code>) are not supported.
aws-java-sdk-lightsail/src/main/java/com/amazonaws/services/lightsail/model/CreateCertificateRequest.java