@Override
    public Collection<Form> getUserPreferenceAttributes() {

        // KSM-specific user preference attributes have the same semantics as
        // user attributes
        return getUserAttributes();
    }
All KSM-specific attributes for connections, organized by form.
extensions/guacamole-vault/modules/guacamole-vault-ksm/src/main/java/org/apache/guacamole/vault/ksm/conf/KsmAttributeService.java