public void setEmbedHostDomains(java.util.Collection<String> embedHostDomains) {
        if (embedHostDomains == null) {
            this.embedHostDomains = null;
            return;
        }

        this.embedHostDomains = new java.util.ArrayList<String>(embedHostDomains);
    }
<p>
The domains where AppStream 2.0 streaming sessions can be embedded in an iframe. You must approve the domains
that you want to host embedded AppStream 2.0 streaming sessions.
</p>

@param embedHostDomains
       The domains where AppStream 2.0 streaming sessions can be embedded in an iframe. You must approve the
       domains that you want to host embedded AppStream 2.0 streaming sessions.
aws-java-sdk-appstream/src/main/java/com/amazonaws/services/appstream/model/UpdateStackRequest.java