public void setSubDomainSettings(java.util.Collection<SubDomainSetting> subDomainSettings) {
        if (subDomainSettings == null) {
            this.subDomainSettings = null;
            return;
        }

        this.subDomainSettings = new java.util.ArrayList<SubDomainSetting>(subDomainSettings);
    }
<p>
Describes the settings for the subdomain.
</p>

@param subDomainSettings
       Describes the settings for the subdomain.
aws-java-sdk-amplify/src/main/java/com/amazonaws/services/amplify/model/UpdateDomainAssociationRequest.java