public void setNamespace(String namespace) {
        this.namespace = namespace;
    }
<p>
The Amazon QuickSight namespace that the anonymous user virtually belongs to. If you are not using an Amazon
QuickSight custom namespace, set this to <code>default</code>.
</p>

@param namespace
       The Amazon QuickSight namespace that the anonymous user virtually belongs to. If you are not using an
       Amazon QuickSight custom namespace, set this to <code>default</code>.
aws-java-sdk-quicksight/src/main/java/com/amazonaws/services/quicksight/model/GenerateEmbedUrlForAnonymousUserRequest.java